Haproxy ssl handshake failure. 1 active and 0 backup servers left.

Haproxy ssl handshake failure Haproxy ssl redirect handshake failure. 960] https-in/1: SSL handshake failure Is this possibly due to the SSL certificate being a SAN / SNI? I’m getting a number of these per day, one burst every 5-10 minutes. Reload to refresh your session. Another weird I tried to use a self-signed certficate or commercial cert for LB, but when i restart haproxy i have errors in logs: localhost haproxy[95255]: Server as_wso2_com/node1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure", check duration: 10ms. 0 slow tls handshake. We have implemented HAProxy as replacement loadbalancer for AWS Just recently I was tasked to have haproxy listen for https connections After enabling the proxy-protocol between the loadbalancer and reverse-proxy ssl/1: SSL handshake failure. 2默认的ssl-min-ver是TLSv1. You can use SSL/TLS end to end, and have your client authenticate the backend. 100. 0 HA Proxy - Failure to make ssl_fc_sni apply to SSL connections. These messages are from the /stats page. Light. 0014 (0. ssl. 429] https_frontend_test/1: SSL handshake failure Jan 4 14:33:41 haproxy[60533]: *IP*:61443 [04/Jan/2024:14:33:41. 2k, and some clients are getting random SSL handshake errors. ssl_sni -i www. Is it correct behavier? This config is not work as https frontend, only http In my logs, I have tens of thousands of lines such as this one: Nov 8 23:33:00 server-1 haproxy[30937]: 96. 5. SSL handshake failed (5). That’s it for turning on this feature. This guide covers everything you need to know, from identifying the problem to implementing the solution. I’m assuming that layer 6 means TCP but am not familiar with TCP being at layer 6. 5dev19). 4 haproxy Server XXXXX is DOWN, reason: Layer4 timeout. 4. URL redirection and I am having a problem getting my . zzz. The extended master secret changes the way pre-master secret is generated for TLS sessions and I suspect BIG-IP fails to detect its presence and calculates the pre-master secret as if extended master secret is not in place, Hello, we are adding Haproxy between Routes and app pods to Inbound connectivity from the F5 . Failing with below errors even though ca/svc crts are added in the pem: fd[0x65] OpenSSL error[0x14094418] ssl3_read_bytes: tlsv1 alert unknown ca <134>Jul 23 13:48:41 haproxy[48]: In our controllers we see the SSL handshake failure. but it looks like there is a problem on the HAproxy side. Help! 2: 54: November 26, 2024 I Hi, I’m using HA-Proxy version 1. The HAProxy log for the failure is: Jan 3 14:21:08 serv-2 haproxy[9075]: [client ip address]:xyz [03/Jan/2015:14:21:08. HAproxy SSL Haproxy w/ssl 'SSL handshake failure' Help! 3: 6663: February 10, 2023 SSL termination does not work correctly (v2. 7. My haproxy. This is a different message. 121; real_ip_header proxy_protocol; real_ip_recursive on; Detailed description of the problem. ssl_sni len 25 > tcp-request content accept if { req_ssl_hello_type a single openssl s_client gives a ssl handshake failure (no certificates blabla). As far http1. 6 - Backend ssl handshake failure. Hot Network Questions What circuit breaker compatible with panel Can I split the rendering in external displays between the GPU and CPU? Interval Placement VBE multiplier with BJTs? Is it accepted practice to drill holes in metal studs If someone falsely claims to have a Ph. Server jboss-fe-bus/nodo1 is DOWN, reason: Layer6 invalid response, info: “SSL handshake failure”, check duration: 27ms. 8 How to track down "Connection timout during SSL handshake" and "Connection closed during ssl handshake" errors. 15:41891 [22/Jan/2018:06:53:15. 2 (0x0303) Length: 77 Handshake Protocol: Certificate Handshake Type: Certificate (11) Length: 3 Certificates Length: 0 Handshake Protocol: Client Key Exchange Handshake Type: Client Key Exchange (16) I came a bit further by adding the following to the above config, but this produces “load-balancer/2: SSL handshake failure” in the HAProxy logs. will result in frontend-name/bind_ssl_foo: SSL handshake failure. After adding TLS Web Server Authentication to certificate in haproxy's frontend section and TLS Web Client Authentication to certificate in haproxy's backend section Original Poster reported success. I mis the haproxy version you’re running, iirc they disabled older tls versions/ciphers recently which might be biting you. default-dh-param 2028 Hi Everyone, Currently my HAProxy Server is running in tcp mode. If I navigate to the repo using a browser, it throws a warning about our self signed certificate, but it goes to the right place. pid maxconn 4000 user haproxy group haproxy daemon tune. com:8081" as navigation proxy | (https) | V HaProxy : Frontend is configured to receive https request on port 8081 Backend configured forward to For others that stumble upon this, I can add that I had luck using tshark to monitor the traffic on the interface when I had TLS errors that were not really clear in the haproxy logs. Help! 10: 10490: January 7, 2019 Crl-file causes SSL/TLS Protocols: SSLv2 disabled SSLv3 disabled TLSv1. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Haproxy's documentation says the ssl and the verify server option enable verify on backend server's certificate via one ca-file but I try to use Firefox export the backend server's CA file then use the exported CA file to verify backend server and I get the 503 Service Unavailable prompt. acme client says everything is ok and renewing certs was also successful. Our test server forces TLSv1. I get an SSL handshake failure. x versions. I wanted to know if it is possible to define an ACL that triggers the addition of the client ip to the stick-table even because TLS negotiation fails. It seems to work correctly, as the landing page displays correctly. 0 sessions active, 0 requeued, 0 remaining i HAProxy community SSL Handshake issue. HAProxy 1. Afsik Rc4 is really pretty old and shouldn’t be used anymore. 312] HTTP/3: SSL handshake failure Lines such as these are created around thirty times per second. The two lines that you have addded ensure that HAProxy has enough time to read the SNI header before chooisng a backend, and also checking it is actually SSL traffic (else rejecting it). In the configuration below, all users, those with and those without the certificate, are ### Detailed Description of the Problem When using error-log-format with %[ss l_fc_sni], we never actually return a SNI value. 0 setting up haproxy to listen to ssl. 5 SSL and many website. The certificate I am using was issued by let's encrypt. I think ‘ssl verify none’ option at listen directive is work when backend server uses self-signed certificate. Can you explain what this configuration is supposed to achieve, especially regarding whether you want to pass SSL through or terminate on haproxy. Although, sometimes there are single requests failing SSL handshake. Help! lukastribus July 31, 2019, 12:09pm 24. pem verify required redirect scheme https if !{ ssl_fc } acs host_test1 hdr_beg(host) test1. SSL labs has confirmed that the certificate is OK (full certificate chain). 11) Cris70 March 6, 2024, 11:03am 2. 0 SSL handshake failure. But when I use a certificate they generated from my CSR and then use my private key as key, it Hello, we are running haproxy version 1. 42. This certificate should contain both the public certificate and the private key. Help! ruzzetto May 22, 2018 Haproxy 3. They are not coming from any specific source. According to the HAProxy logs, the issue is an SSL Handshake failure: I have already confirmed that this ACL rule works to extract SNI from raw TCP packets. Step 4: Test Backend Configuration (for Reverse Proxies like HAProxy) If HAProxy forwards SSL connections to a check port 80 check-ssl - reason: Layer6 invalid response, info: “SSL handshake failure” Just like in a Browser, when you connect HTTPS to port 80, the handshake will fail, because Google and everybody else is not terminating SSL on port 80. 1 there is no performance issue because each request is a new tcp connection. When I disable TLS it all works great. Overview; ACLs; Backends; Converters; Defaults; Fetch methods HAProxy config tutorials. There are intermittent SSL handshake failures after migrating 0. 1:443 -cert . Flow: We are using a Load balancer to distribute the traffic between the servers; Server Proxy request has been handled by the HAProxy; HAProxy is taking care of proxying the request to the backend server; HAPROXY Configuration: Hello, When haproxy logs the error, “SSL handshake failure”, I would like to add that client ip address to a stick-table. I have my HAProxy setup with let’s Encrypt and everything is working well. The only information related to haproxy and openssl that I could find is this thread: Hi, if you want the association between handshake failure and ip source, you must check the log. HTTPS request to HAproxy to http and then encrypt it again to forward I mean the OS of the client, where IE8 runs. Unfortunately we can't change error log format. It seems ssh v2 waits for the server before talking, How to overcome and correct the SSL handshake failure with the above Hello Guys, I have tried so many different things from different available solutions but for some reason backend failed to show up as available. However, as Hi everybody, I’m using Haproxy to offload SSL so that I can connect using HTTPS to a service (running in my backend) which is HTTP only. E. frontend wildcard_tcp bind *:443 option tcplog mode tcp tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type 1 } acl is_wilddomain req_ssl_sni -m end wilddomain. Because IE8 uses the schannel SSL stack of the Operating System, that Operating System is very important. Upon further investigation >90% of the IPs are Apple Hi, I’m looking for docs. I decided to add Cloudflare proxy in front of my server. 0001) S>C TCP FIN So to me it looks Hello! Trying to set up a HAPROXY in cloud to forward requsts via IPSec tunnel to office network. Hello I have a setup with HAProxy Client side certificate verification required. 30. xyz:443 check Now I would like to use SNI to have option to route ssl 关于/1 in frontend_name/1: SSL handshake failure. c:177: no peer certificate available No client certificate CA names sent SSL handshake has read 0 bytes and written 305 bytes. When doing so I get TLS errors on the browsers (NET::ERR_CERT_INVALID) and when doing apt update I get : gnutls_handshake() failed: The TLS connection was non-properly terminated. You signed out in another tab or window. I want to log Client Side Certificate SSL errors including the source-ip & client side certificate CN and CA CN when SSL Handshake fail SSL_connect:before/connect initialization SSL_connect:SSLv2/v3 write client hello A SSL_connect:SSLv3 read server hello A SSL_connect:SSLv3 read server certificate A SSL_connect:SSLv3 read server certificate request A SSL_connect:SSLv3 read server done A SSL_connect:SSLv3 write client certificate A SSL_connect:SSLv3 write client key exchange A Encrypt traffic using SSL/TLS. 8 in docker (default image, haproxy -vv below) on both servers. However, when I enable the TLS I get fe_mqtt/1: SSL handshake failure. 70. com } backend You signed in with another tab or window. 0. 3 using “ssl-default-bind-options force-tlsv13” . 7 LTS We are seeing a large amount of “Connection closed during SSL handshake” messages logged - 25% of messages logged. 0 active and 0 backup servers left. pem ca-file /tmp/ca. z. 441] https_frontend_test/1: SSL handshake failure Jan 4 14:33:41 When you set accept-proxy, the client needs to send to actually send the PROXY protocol. So if I restart haproxy during daily load, haproxy might fill CPU usage up to 100% and be unable to handle more than 700-800 requests per thread. Jan 22 06:53:15 controller-01 haproxy[11]: 192. ssl_sni len 100 Note tcp-request content capture req. Reasons for HAProxy backend SSL handshake failure. So accept-proxy belongs on a bind line that recieves traffic from another haproxy instance configured on the backend with send-proxy. so if ssl failures occured it only affected that single request. 11 ( Kubernetes Ingress 1. com use_backend test1_back if host_test1 use Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company SSL alert number 40 really just means handshake failure, which is not very informative. 04 LTS] HAProxy config entry: frontend wapp1 bind 10. pid maxconn 4000 user haproxy group haproxy stats socket /var/lib/haproxy/stats #----- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #----- defaults mode tcp log global option tcplog option Detailed Description of the Problem Recently started noticing a lot of ssl handshake failures in the log files. 15:34834 [22/Jan/2018:06:53:15. I’ve been reluctant to change the SSL settings from standard to not risk angering the SSLLabs and other security metrics. xxx:443: SSL handshake failure ". crt -key . So the SSL handshake failure you're getting stems from the fact HAproxy is unable to authenticate the cert of web02 using the given ca-file cert. 0 setting up ssl on haproxy. HAPROXY SSL handshake failure - debugging process? Hot Hello community, I’m trying to setup a reverse HAProxy to connect to a forward, LDAP auth based Squid. I ha HAProxy `SSL handshake failure` when proxing request from another server. 4 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 140350987986584:error:140790E5:SSL routines:ssl23_write:ssl handshake failure:s23_lib. 241. XXXXX:36909 [16/Dec/2015:17:23:07. When I try to use the PROXY protocol and add the send-proxy and expect-proxy, I get SSL Handshake failures. 0 disabled TLSv1. Protocol Mismatch -Tested all the TLS version(TLS 1. Somehow all the other posts don’t specifically solve my issue so Hi all, I have two backend servers that are running on Port 443 SSL via IIS using the CCS (Centralized Certification Server) module. From time to time we get the following messages in HAProxy log (source IP is hidden): Jul 12 15:43:36 hap-01 haproxy[26141]: x. 176] keystone_admin/1: SSL handshake failure Jan 22 06:53:15 controller-01 haproxy[11]: 192. HAProxyConf 2025 - Call for Papers is Open! HAProxy config tutorials Theme. Help! Nrogerdlm January 13, 2023, 2:36pm 1. How rest api is called over haproxy with ssl. The result is TLSv1. What I am trying to achieve is emulate the grpc_ssl_certificate and grpc_ssl_key directives from nginx in haproxy, so basically I am trying to make the client part of HAProxy authenticate against my backend, allowing other internal services to communicate #----- # Global settings #----- global log 127. 8), I’ve got a lot of “SSL handshake failure” from the same address every 5 seconds. Whenever said device tries How to overcome and correct the SSL handshake failure with the above configuration; I found in Internet that SSL handshake may happen due to the below scenarios. However the following backend configuration fails with messages 'SSL handshake failure backen We are using HAProxy 1. Port 443 serves everything and port 80 redirects to 443. Without impacting your production site, I think that maybe you could compare User-Agents from both load-balancing deployments. /client_expired. yy. 2 HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 0 HAProxy Backend Layer7 Invalid Response. 100:51019 [18/Jul/2018:15:35:43. 468] http-in/2: SSL handshake failure (error:0A0000EA:SSL routines::callback failed) Nov 18 12:47:14 mail haproxy[126258]: Proxy http-in stopped (cumulated conns: FE: 866, BE: 0). 1:55354 [04/Dec/2020:16:14:14. haproxy[12734]: Server https_backend/s1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure (Connection reset by peer)", check duration: 1ms. When I try to make maven requests against the same repo however it fails with the Hi there I have a big issue regarding connection Haproxy to mysql throught ssl with mysql self signed cert. Fetch request to backend within same domain fails net::ERR_CERT_AUTHORITY_INVALID. log # log 127. The decryption endpoint is the HA proxy instances. pem certificate working in my HAProxy configuration. HAProxy community Proxy protocol causes SSL handshake failure. If you can find a User-Agent that is present in the Ubuntu 16. 55. 1:514 local2 daemon maxconn 256 defaults log global mode http option httplog timeout connect 5s timeout client 50s timeout When starting HAProxy the backend will report all servers as down: Server web_remote/apache_rem_1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure", check duration: 41ms. 229:54666 [25/Jun/2023:22:28:46. Passthrough dispatches the requests to our different I am using HAProxy 1. (e. server ssl check == L6OK/Layer6 check SSL_connect:SSLv3 write client certificate A SSL3 alert read:fatal:handshake failure Since you don't specify the client certificate properly an empty client certificate will be send. com/roelvandepaarWith tha HAproxy SSL handshake failure. Access to those two backend servers works fine: However the health check on HaProxy fails with a Layer 6 issue. Secure Sockets Layer TLSv1. 816] ilo3/1: SSL handshake failure. This configuration is wrong for multiple reasons, SSL specific settings like ciphers or TLS versions are not your problem. I’m using HA-Proxy version 1. Disabling CCS on the same site binding and selecting the same certificate manually all works fine. Mismatches in supported protocols or cipher suites can cause the handshake to fail. Appreciate any education. I want to configure HAProxy as a tcp pass-through with ssl proxy, but some settings don’t work. Question: I would like to know if there's something wrong with my configuration, or 1% failure rate is Haproxy ssl redirect handshake failure. cer. D. jazzl0ver: Wondering why it shows “running on openssl there is any way to fine tune the haproxy backend server ssl handshake. 2 HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 0 TLS handshake fail. The crt parameter identifies the location of the PEM-formatted SSL certificate. im getting this kind of error in logs: Mar 21 18:46:00 nt-cloud Problem: Around 1% of the requests are "SSL handshake failure". Both aplications run on the same machine and I have been able to make it work over http with the following config: global log 127. Looking at the network level, almost all of them fails with this message: Bad Record MAC. System. 1:9997 level admin stats socket /var/run/haproxy. HTTPS request to HAproxy to http and then encrypt it again to forward request To re-iterate, serv1 on its own or together with serv2 works fine. 0013) C>S TCP FIN 1 0. I have been given a . 202:8080 ssl crt /tmp/crt. 0:443: SSL handshake failure Hi all ! It’s possible log more then “SSL handshake failure” ? For example, when a client browser uses an unsupported protocol in haproxy (for example SSL3), only entries are logged in: SSL handshake failure Connection closed during SSL handshake But that’s not enough to say what the cause was. Fro That’s what I figured, but I thought I mention it anyway. But Socket is not connecting from client. Jan 4 14:33:35 haproxy[60533]: *IP*:55752 [04/Jan/2024:14:33:35. Since switching, I keep getting some SSL connection errors in the HAProxy log (5-10% of the total number of requests). 6 to 2. – Filipe Giusti. on the jacket of a book and they profit from that claim, Sorry to bump this thread, just wanted to share the resolution / fix that needs to be applied on nginx to get it to work with HAProxy: set_real_ip_from 10. We used to run haproxy with SSL pass thru. 20 with an 2048 bit certificate from Let’s encrypt. Hot Network Questions Intuition for convexity adjustment for year on year inflation swaps Who is the "Sea-queen" mentioned in "Oedipus", and why is she referenced? Translating Russian "не то, не то" into English To which extent I should let my PI know that I am not feeling very well with my PhD study The usage of Select for list Hi, We recently introduced a subordinate CA into our haproxy setup (previously we were using a self signed CA to sign the haproxy and client certs) For some reason we are seeing “SSL client CA chain cannot be verified” on the haproxy logs when testing with s_client. I would like to make a re-encryption on the backend side, but the ssl/tls check gives me the famous ‘Layer6 invalid response: SSL handshake failure’, in tcpdump ‘Unknown CA (48)’. Input your site’s domain name, and then click on the I’m afraid we need to dig deeper. use error-log-format with ssl_fc_sni (as per the documentation) 2. bind *:443 > mode tcp > > tcp-request inspect-delay 5s > tcp-request content capture req. It’s possible I’m not understanding the difficulties with what I’m trying to do. 0 sessions active, 0 requeued, 0 remaining in I’m currently trying to set up haproxy to redirect requests to our local nexus repository. 2 (0x0303) Length: 77 Handshake Protocol: Certificate Handshake Type: Certificate (11) Length: 3 Certificates Length: 0 Handshake Protocol: Client Key Exchange Handshake Type: Client Key Exchange (16) You signed in with another tab or window. Below my cfg global log 127. 1 requests. One option is to use Qualys’ SSL Server Test, which we discussed in the previous section. nginx). 2 Record Layer: Handshake Protocol: Multiple Handshake Messages Content Type: Handshake (22) Version: TLS 1. 8 on Ubuntu 18 in production and we plan to upgrade to version 2. 8) Help! 3: 1676: November 13, 2019 Tons of "ssl_termination/1: SSL handshake failure" Help! 6: 1375: September 20, 2019 Trying to install SSL Cert for use with HAPROXY. 2,TLS 1. cfg and restarted and still faced SSL failures for normal http1. 822] ssl/sock-1: SSL handshake failure global daemon maxconn 100000 stats socket /var/run/haproxy pidfile The ssl parameter enables SSL termination for this listener. 0 sessions active, 0 requeued, 0 remaining in queue. Learn how to troubleshoot and fix HAProxy SSL handshake failures with this comprehensive guide. 2 HAproxy SSL handshake failure. Running HA-Proxy version 2. In our logs we Hello Guys, We are running a website and have 3 servers behind Haproxy. Hello, I have two servers with HAProxy, let’s call them “Passthrough” and “App”. I can see the backend is responding without a reason phrase (HTTP/1. 133:443 ssl strict-sni crt /etc/haproxy/ssl/ mode http (set/modify some headers in request and response) use_backend app1 if { hdr_end(host) -i app1. Haproxy with SSL doesn't works. Load 7 more related questions Show fewer related questions Sorted by So here’s the deal - we have 2 HA proxy instances setup behind a google load balancer. 2 haproxy ssl_fc_sni not matching correctly. There are probably thirty or forty IP addresses (mostly IPv6 addresses) trying and failing endlessly. 0 [ Ubuntu 16. Encrypt traffic using SSL/TLS. Is the health checking endpoint also available without SSL, on a I've got 3 Postgresql nodes, one Etcd container, and a HAproxy loadbalancer. 0 active So I can’t tell if this is an HAProxy or a cloudflare one, but could use some guidance. Any thoughts are much appreciated. My config is below frontend https-frontend bind 192. ### Steps to Reproduce the Behavior 1. 3. 1 local0 user haproxy group haproxy maxconn 10000 stats socket ipv4@127. So openssl and the cert are not generally broken. 6 - Hello community! I am trying to setup HAP as a Load Balancer to our backends which are running HAP as a reverse proxy (I try to use one tool instead of two, i. I am running HAP 2. I opened a discourse post before but after some more research I decided to open thi Aug 8 12:27:53 raspberrypi haproxy[28065]: Server tplink_dest_8092/ipcam is DOWN, reason: Layer4 connection problem, info: “SSL handshake failure”, check duration: 0ms. 1 200 instead of HTTP/1. default-dh-param 2048 ssl-server-verify required ssl-default-bind-options no-sslv3 no-tlsv10 no-tlsv11 no-tls-tickets ssl-default haproxy log: rdpbroker/1: SSL handshake failure; When I use “openssl s_client” or curl to connect to pool{n}. ) SSL/TLS Handshake Failure. 8 version Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company, and our products You signed in with another tab or window. I investigated the HAProxy settings for front- and backends, I checked response headers and tried to debug the ssl handshake, but I couldn't find a similarity of problematic or difference between working and problematic webserver/backends. backend office balance roundrobin server backbone-daily 10. Add a comment | Your Answer TLS handshake fail. HAPROXY SSL handshake failure So let's say if I do telnet localhost 443, type some garbage in and hit enter, the connection closes, I get a "SSL handshake failure" entry only once in a while: <155>Dec 4 16:14:16 haproxy-02 haproxy[2439309]: 127. 1 200 OK), but the reason phrase is optional as per the RFC (though the space after the status code is not); so this is not enough to be able to conclude what happens here. However the log files are getting flooded with the following messages. key []ssl handshake failure[] Phase 2: Client Certificate Optional. (HAProxy version 2. el7 plus openssl 1. 0013 (0. demo. pem 10. There's three types of errors repeating: Connection closed during SSL handshake Timeout during SSL handshake SSL handshake failure (this one happens rarely) Haproxy ssl redirect handshake failure. However, I still get tons of “SSL handshake failures” in my log. vvv:63965 [18/Nov/2023:12:37:05. 1 disabled TLSv1. 2 As a consequence haproxy logged SSL handshake failure without any more details, as is its habit. On the client side we see: 140691807639456:error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 HAProxy SSL Termination - Client certificate Extended Key usage extension validation. HAProxy config tutorials; Core concepts. I know I could use mode tcp for tls forwarding on the load balancer but I need to use cookies for sticky sessions. I’ve a haproxy setup with tcp mode ssl configuration [ to offload ssl sockets traffic]. This “client hello” message lists The issue I am having is even when I get a successful config to startup the haproxy service I can’t get it to work 100% of the time. When I do HTTP frontend and ACL to HTTPS Having rare ERR_SSL_PROTOCOL_ERROR error in browser while using own proxy with haproxy routing all on the server in one port. I assume there entire heartbeat detection is broken after all the changes since 2014, and this is now a false positive. default-dh-param 2048 ssl-default-bind-options no-sslv3 no-tls-tickets You are already using the TCP passthrough approach, there is no other way, as haproxy does not implement the postgres protocol. _version=2187 Dataplaneapi managed File changing file directly can cause a conflict if I figured out the issue I was facing. Everything is working fine, but for a specific client device. HAPROXY SSL handshake failure - debugging process? Hot Network Questions Dehn-twist on punctured 3-manifold Long pulsed laser rifles as the future of rifles? Is it normal to connect the positive to a fuse and the negative to the chassis Help in identifying this dot-sized insect crawling on my bed Why is the spectrum of the Laplacian on the torus discrete? Fails with: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. Nov 18 12:47:14 mail haproxy[126258]: [WARNING] (126258) : Proxy letsencrypt-backend stopped (cumulated Facing SSL handshake failure with the the below HAProxy configuration and Outage in our production environment. What am I doing wrong in this process? It works when I try with a received a test certificate including a private key from the service (self signed certificate). Compared to most, this system is not very busy, but has lots of many hours long connections vs millions on single transactions. Related topics Topic Replies Views Activity; Haproxy update from 1. There are a few ways to check and see whether a site requires SNI. erver adserver/ad-1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure", check duration: 1ms. 我在文档中找不到它，但通过实验，我发现它是前端端口的数目，尝试连接的端口数，SSL握手失败。 因为haproxy 2. bar. Apache benchmark shows a lot of SSL failures during reloads. Can anyone explain the reason for the e https/v4: SSL handshake failure my haproxy version: 2. HAProxy is not able to negotiate a secure connection to a Mutual TLS secured server. New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE Ultimately it was HAproxy SSL handshake failure. lukastribus December 29, 2021, 4:07pm 2. Do you have any additional logs from your backend server? Could it be that it just needs SNI or perhaps there is a ciphers mismatch?. With Lua, you can maintain a lot of personal counters, but these counters cannot be checked throught the socket, you must create a Lua applet dedicated to give these stats. Client-side encryption; OCSP stapling; Server-side HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" Load 7 more related questions Show fewer related questions I have set up a HAProxy-instance that should: offload SSL on the frontend onload SSL on the backend use SNI for the connections and the healthchecks towards the upstreams For this demonstration I . In your http frontend configuration, you simply add a rule like this: http-request redirect scheme https if ACLXXX where ACLXXX represents the acl rule that identifies your server. 5 or you can install, F. XXXXXX:443 ssl check verify none I have setup with Haproxy fronting 2 backend servers and TLS termination on Hproxy as well as TLS between haproxy and the backend. jazzl0ver: SSL handshake failure after heartbeat. 678] http-in/2: SSL handshake failure when I access over http (expecting the redirect) If I access via https then it correctly hits the backend and proxies through to the service over 443. It looks like it’s not following any of the rules and just defaulting to the default backend. I tested HProxy SSL Passthrough with simple configuration using listen directive Here is working sample: listen my_listener bind *:443 mode tcp option tcplog balance leastconn option ssl-hello-chk server app lb-test. Would anyone be able to help me? Haproxy ssl redirect handshake failure. I configured haproxy for SSL termination and started everything up. Skip to main content 274/160955 (2642) : Server api_statusio/test2 is DOWN, reason: Socket error, info: "SSL handshake failure", check duration: 111ms. Log is full of: https/0. 40. This can occur if the SSL certificate has been revoked, A line like the following can be added to # /etc/sysconfig/syslog # # local2. y. [WARNING] (5477) : Server cso-cs Trying to add specific routing depending on SSH destination fails. 203. I ran tshark to capture traffic. mydomain. 04. 12. 10. cer, and ssl_certificate. foo. Pattern: I usually see the problem when a client make too many requests quickly. And then, obviously, you have to I’m using self signed certificate. 1% of traffic to the new haproxy machine, however there are no SSL handshake failures on the old haproxy version. I’m trying to setup something like this: Client : Uses "https://proxy. com use_backend HAProxy `SSL handshake failure` when proxing request from another serverHelpful? Please support me on Patreon: https://www. Dark. Help! 0: 459: February 22, 2021 Haproxy 3. 9, but the same thing happens on 1. It had to do with TLS Extended Master Secret and the BIG-IP was failing to decrypt the handshake. 0 TLS handshake fail. Behind the HAProxy are apache web servers. This type of data is not a statistic. 1 active and 0 backup servers left. 2. I use the following configuration in the backend: backend be_intranet mode http server HAProxy 2. My backend server is running on https with an internal CA signed certificate, Here are the config and other informations: global ssl-default-bind-ciphers TLS13-AES-256-GCM-SHA384:TLS13-AES-128-GCM-SHA256:TLS13 Hello, We use a HAProxy loadbalancer in TCP mode with behind it a HAProxy reverse proxy in HTTP mode. Your actual backend TLS gets configured on the backend server itself <IP-address>:8443 of web02. 3 enabled TLS Fallback SCSV: Server supports TLS Fallback SCSV TLS renegotiation: Session renegotiation not supported TLS Compression: OpenSSL version does not support compression Rebuild with zlib1g-dev package for zlib support Hi there. We have ONE client that is having issues accessing the system, they are getting an SSL handshake failure, and they are using java as a client (I’m verifying the version). Does anybody recognize this issue? Thanks in advance. Currently haproxy receiving traffic but its not able to talk to service . ### Expected Behavior Return SNI value. 22-f8e3218 2023/02/14) –>HAProxy-LBS—>HAProxy-RPX—>webserver After enabling the proxy-protocol between the loadbalancer and reverse-proxy we see “SSL handshake failure” errors every 2 seconds(lbs alive check) The certificate files are concatenated and each file is just contains one certificate. HTTPS request to HAproxy to http and then Removed h2 alpn in haproxy. 294] www-https/1: SSL handshake failure Dear All, I’m absolutely not an expert in haproxy and ssl/tls and I’m stucked in a problem. Means we fixed the issue. I’m receiving TLS Handshake errors logs on my backend server even if there are no API calls to the backend server. Haproxy SSL handshake failure. I also don’t see any logs at INFO level or in debug (-d) mode showing the health check requests to confirm. w:47996 [12/Ju However when doing a request the response is a 502 Bad Gateway and in in the debug logs of the destination server I'm just getting a SSL handshake failure: Feb 24 10:43:11 XenonKiloCranberry haproxy[5749]: 116. 0 sessions activ remaining in queue. wss:///) to wss mentioned above? Here is my code: global log /dev/ Hi Community, i dont know why, but my haproxy throws me severals time a “SSL handshake failure” like this: Jul 18 15:35:43 proxy1 haproxy[6477]: 192. Hi @owan! Yes, it is possible. cfg looks like this: global log /dev/log local0 info log /dev/log local1 info chroot /var/lib/haproxy user haproxy group haproxy daemon # Default SSL material locations ca-base /etc/ssl/certs crt-base /etc/ssl/private tune. When it comes to that limit, I see rate of new requests lowers down to 2-5 Haproxy log become mostly filled with tls/1: SSL handshake failure errors. , nginx in front of haproxy. No luck. HTTPS request to HAproxy to http and then encrypt it again to forward request to ssl server. peer closed connection in SSL handshake while SSL handshaking to upstream. serverfault. What is layer 6? The below tests are in a backend with mode tcp. HAproxy with Let'sEncrypt certificate produces SSL handshake failure. . In haproxy logs I can see errors: “ssl handshake failure” How I can resolve this and simply proxy Websockets on HTTPS from the root. The client says hello. I can access Postgresql through the no-ssl port (1111), but through the SSL port I can't : my psql command ends up stalling. So I’ve “dumped” the SSL communication and it has only this: 1 0. tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type 1 } acl is_my_domain req. Failures appear after a reload is finished. 11. xxx. 8 as HTTPS termination proxy in a VPN. To debug the problem I run sniffer, it shows Alert Message as “Unknown CA (48)”. I’ve been trying to configure HAProxy to balance sadly old IIS sites using CCS (Centralized Certificate Store) feature without success. 7 (I think) to this new version (1. domain. 120; set_real_ip_from 10. 208] https_frontend_test/1: SSL handshake failure Jan 4 14:33:41 haproxy[60533]: *IP*:61442 [04/Jan/2024:14:33:41. I am working on a setup where there are two HAProxies behind an AWS Network load balancer. But the server expects a valid client certificate and thus report a failed handshake within an SSL alert back to the client. 2. Haproxy logs on 1. SSL/TLS. 2 HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 1 TLS handshake fails intermittently when using HAProxy Ingress Controller. A frontend http_in bind *:80 bind *:443 ssl crt /etc/ssl/certsforhaproxy/test1. TLS handshake fail. HAProxy backend server returns "SSL handshake error" 3. (We’re currently using mode tcp with tcp-request to block. But with ‘ssl verify none’ option with mode tcp, I cannot access backend server with https protocol. com tcp-request content capture req. After upgrading from 1. I’ve concatenated Private key + FullChain key into a file for those which I’ve create with Cloudflare bot, and I’ve concatenated Private key + Public key + CA root key for those which I’ve created on the Cloudflare origin certificate page. pem ca-file /etc/ssl/certsforhaproxy/ca. 1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy. curl: (60) SSL certificate : unable to get local issuer certificate - ubuntu. I would make a ssllabs run on the synology Jun 25 22:28:46 haproxy haproxy[5750]: 192. 168. I am using HAproxy to terminate TLS (and later also load balance) RabbitMQ (MQTT). sock mode 666 level admin stats timeout 2m ssl-server-verify none tune. The configuration for the backend is as follows: Detailed Description of the Problem I am not 100% whether this is due to misconfiguration or if I hit a bug here. patreon. 0. 4 on Ubuntu 22. Behind HA proxy there’s 6 web servers. Requests are working as expected. This is a tough one to troubleshoot, not having a device where you can reproduce it easily. 1,TLS 1. On this page. 99:36908 [24/Feb/2020:10:43:11. com:3389, the ssl connection can be established. 584] keystone_admin/1: SSL handshake failure Jan 22 06:54:13 controller-01 haproxy[11]: However, if the server isn’t SNI-enabled, that can result in an SSL handshake failure, because the server may not know which certificate to present. pfx GeoTrust wildcard certificate and 2 other certificates titled IntermediateCA. Commented Dec 24, 2013 at 19:47. If it doesn’t, it will not work. 734] authentication_service/1: SSL handshake failure. 2 Haproxy 1. com How can I get haproxy to completely ignore SSL handshake errors? The history of SSL in HAProxy is very short: ssl handshake failure[] Connection with an expired certificate is refused too: $ openssl s_client -connect 192. 2 disabled TLSv1. Possibly, it is not a problem, because conditions are very specific and the same shows also qdisc-method. Hello all. Firefox browser version - 49. 3) still facing SSL handshake failure; Cipher Suite Mismatch Tested with the existing working Cipher suite Hi all, I’m trying to setup HaProxy as a load balancer for squid proxies and it’s working fine with http, but I can’t make it work with https. 04 logs, but is Hi, I trying to setup a HTTPS frontend with ACL to HTTPS backends for Ubuntu and RHEL private repositories at our company. HAProxy `SSL handshake failure` when proxing request from another server. 0,TLS 1. ssl_sni len 100, my intent is to log the SNI value in Secure Sockets Layer TLSv1. 2 Can anybody confirm whether stick-tables are run before or after the SSL handshake is checked? We are getting attacks by bots intentionally not using the correct client certificate that we set, and we want to make sure the stick table rules are applied even if the client fails SSL handshaking. example. Hello, I have a HAProxy instance that should serve as a proxy to Here. pem crt /etc/ssl/certsforhaproxy/test2. Use http-reuse and make sure to also configure pool-settings. 99:53156 [17/May/2017:12:37:21. e. We are getting following log entries 39. com acs host_test2 hdr_beg(host) test2. I wanted to keep both setups working while I transition so I made a new public server But I would recommend to terminate the SSL before or on haproxy, you can do that with haproxy 1. 6 and trying to setup some sites with SSL on the IIS web-server behind the HAProxy. It can be protocol mismatch cipher cuite mismatch incorrect It's a logical mapping internal to the haproxy process. 138:64745 [08/Nov/2020:23:33:00. If I HAProxy by default allows to reuse the same port number across the same or other frontend/listen sections and also across other haproxy process. g. 18-6. HAProxy backend server returns "SSL handshake error" 0. Once traffic is decrypted it can be inspected and modified by HAProxy, such as to alter HTTP headers, route based on I’m running haproxy 1. This may be due to unsupported SSL/TLS versions or cipher suites, expired, invalid, or missing SSL certificates, or other causes. 8. 25-1ppa1~xenial on Ubuntu 16. 319] main/2: SSL handshake failure Nov 18 12:37:05 mail haproxy[126258]: xx. 1 local2 info chroot /var/lib/haproxy pidfile /var/run/haproxy. trigger a SSL handshake failure (for example with mismatching SSL Hello All, I fight with this problem for some time now but unable to figure it out. Can get error on randome websites 1 The logs sadly don't seem to tell me much more than " Frontend/xxx. com maps, adding the API key to all passing requests. You switched accounts on another tab or window. * /var/log/haproxy. You probably also want to select a default backend: default_backend backend_SIT_CI5 for an SNI Hi everybody, I’m using Haproxy to offload SSL so that I can connect using HTTPS to a service (running in my backend) which is HTTP only. To learn more we have to make that connection successful and that most likely requires us to lower security (FOR DEBUGGING ONLY!). haproxy[12734]: Server https_backend/s1 is DOWN, reason: Layer6 invalid response, info: "SSL The exact steps in an SSL handshake vary depending on the version of SSL the client and server decide to use, but the general process is outlined below. There are many reason for an SSL handshake failure to occur in HAProxy: Invalid SSL certificate: The SSL handshake will fail if the SSL certificate supplied by the backend server is invalid, expired, or not issued by a trustworthy Certificate Authority (CA). It's only when I take down serv1 that I get the SSL failures. Hot Network Questions Can i travel to India if my passport expires in 25 March 2025? Confusing usage of 「これ」 (with an unclear referent) and 「の」 (which could be possesive or appositional) Rust I cannot reach my services (nextcloud + homeassistant) and shows that the cert is expired. I am passing ssl traffic from the NLB to HAProxy and then SSL offloading is taking place on HAProxy. I captured the tcp traffic on the haproxy server when a rdp client tries to connect: I am terminating SSL at the load balancer (HAProxy 1. smcn yoskk srhuztc yadcuduf cfscz her xbacm gctflsl zed zedfo