Haproxy ssl handshake failure.

• Haproxy ssl handshake failure serverfault. May 29, 2024 · Hello, we are running haproxy version 1. 0. If you're behind cloudflare, you don't need letsencrypt at all, cloudflare does all the encrypting for you on the public side. server ssl check == L6OK/Layer6 check passed (this is the same Feb 7, 2019 · Hi, I’m running haproxy 1. I downloaded the latest global Dec 8, 2023 · Hi, I’m looking for docs. 2 and Dec 2, 2024 · SSL/TLS Handshake Failure Mismatches in supported protocols or cipher suites can cause the handshake to fail. 6 and trying to setup some sites with SSL on the IIS web-server behind the HAProxy. When I do HTTP frontend and ACL to HTTPS backend it works well. It’s possible I’m not understanding the difficulties with what I’m trying to do. 40. With openssl s_client i see `CONNECTED(00000003) 140350987986584:error:140790E5:SSL routines:ssl23_write:ssl handshake failure:s23_lib. haproxy[12734]: Server https_backend/s1 is DOWN, reason: Layer6 invalid response, info: "SSL Jan 22, 2025 · I was missing something important, it just wasn't where I was expecting. 31. The fix was adding the following lines to ~/. 5 to 2. When I test using my PC, there are no errors, however it fails when my customers' devices try to communicate. Apr 26, 2021 · A line like the following can be added to # /etc/sysconfig/syslog # # local2. Failures appear after a reload is finished. 12:47006 [23/Jul/2024:13:48:41. But Socket is not connecting from client. from Qualys, after a while the Windows Server becomes inaccessible to the HAProxy. ### Expected Behavior Return SNI value. 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. Jun 12, 2023 · Detailed Description of the Problem After upgrading our servers to from 2. Sep 20, 2019 · I am using HAProxy 1. As far http1. 747] secure-http-in/1: SSL handshake failure Sep 4 14:18:46 loadbalancer haproxy Apr 27, 2023 · Resolve HAProxy backend SSL handshake failures with our troubleshooting guide. 2,TLS 1. 4152 (0. Can you try setting specific cipher in the ssl backend that you know is supported by the backend servers? check duration: 41ms. 8 in docker (default image, haproxy -vv below) on both servers. 0013) C>S TCP FIN 1 0. com } backend app1 mode http balance roundrobin -SSL connection should be from outside the WAN to the haproxy frontend listening on the WAN IP address port 443. com:443 ssl verify none check resolvers mydns 后来演变成server 1. HAProxy Kubernetes Ingress Controller can terminate SSL/TLS for services in your cluster, meaning it will handle encrypting traffic when it leaves the network and decrypting it when it enters. sock HAProxy community OpenSSL error[0xa00010b] (null): wrong version number Jul 2, 2019 · Haproxy 1. pem的连接。我做错了什么？这是我的HA代理配置global log /dev Nov 3, 2023 · However, I’m now seeing a lot of “SSL handshake failure” logs that I suspect are related to non-legitimate traffic. Help! 0: 257: April 18, 2024 Haproxy w/ssl 'SSL handshake failure' Help! 3: 8746: Sep 10, 2018 · That’s what I figured, but I thought I mention it anyway. 20 with an 2048 bit certificate from Let’s encrypt. I'm working on HaProxy 1. We are getting following log entries 39. 30. 382] httpsproxy/1: SSL handshake failure ID : haproxy-handshake-failure For : HAProxy Load Balancer I get SSL Handshake failure to the haproxy log and connection failed to the mikrotik. 27:443 May 22, 2018 · Server jboss-fe-bus/nodo1 is DOWN, reason: Layer6 invalid response, info: “SSL handshake failure”, check duration: 27ms. However, I am trying to proxy Synology's Drive Client (think like Google Drive) and having some issues with the SSL Handshake Failures on the frontend. 100. XXXXXX:443 ssl check verify none Nov 15, 2024 · I am just trying out simple haproxy configuration in http mode where i want https connection between client and haproxy as well as between haproxy and my backend server. Since switching, I keep getting some SSL connection errors in the HAProxy log (5-10% of the total number of requests). 0 setting up ssl on haproxy. However, when a client sends an unencrypted HTTP request to port 8443, HAProxy attempts to perform an SSL handshake, which fails because the client isn’t initiating an SSL/TLS connection. 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: May 9, 2022 · Hello, When haproxy logs the error, “SSL handshake failure”, I would like to add that client ip address to a stick-table. Initially, I was not able to forward traffic via HAProxy to the relevant backend. 202:8080 ssl crt /tmp/crt. xyz:443 check Now I would like to use SNI to have option to route ssl traffic to multiple Oct 2, 2023 · Detailed Description of the Problem I am not 100% whether this is due to misconfiguration or if I hit a bug here. Feb 24, 2020 · 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: Is this possibly due to the SSL certificate being a SAN / SNI? Perhaps haproxy does not support this? How can I resolve this? Solved it with: backend site100. c:177: no peer certificate available No client certificate CA names sent Jun 5, 2024 · Suddenly when I try to access to subdomain web page I get this error, main domain web page works. 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)’. 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-CHACHA20-POLY1305-SHA256:EECDH+AESGCM Dec 3, 2020 · HAProxy backend server returns "SSL handshake error" Ask Question Asked 4 years, 5 months ago. I’m troubled with the error haproxy-ssl/1: SSL handshake failure regardless of the changes I make to my configuration. 1,TLS 1. com:3389, the ssl connection can be established. The decryption endpoint is the HA proxy instances. I’m assuming that layer 6 means TCP but am not familiar with TCP being at layer 6. What is layer 6? The below tests are in a backend with mode tcp. Log is full of: https/0. I use the following configuration in the backend: backend be_intranet mode http server myserver 10. Protocol Mismatch -Tested all the TLS version(TLS 1. On the log I receive the following error: SSL handshake failure Is it possible in HAproxy to connect an internal RDP server through an HTTPS connectio&hellip; Jul 25, 2024 · Hi, I am running docker containers services on my host ‘host-192-168-1-100. 2k次。本文详细介绍了Haproxy中关于SSL客户端证书的各种配置场景，包括强制客户端提供证书、选择性提供证书、忽略证书过期错误、忽略所有证书错误以及根据SSL错误进行重定向，帮助管理员实现更精细的SSL管理。 Aug 23, 2016 · When i go through HAProxy with curl -k I see curl: (35) gnutls_handshake() failed: The TLS connection was non-properly terminated. I know I could use mode tcp for tls forwarding on the load balancer but I need to use cookies for sticky sessions. 294] www-https/1: SSL handshake failure Jul 18 15:35:43 proxy1 haproxy[6474]: 192. 191. Possibly, it is not a problem, because conditions are very specific and the same shows also qdisc-method. There are probably thirty or forty IP addresses (mostly IPv6 addresses) trying and failing endlessly. 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]: 10. Help! 24: 17279: August 1, 2019 Mar 25, 2022 · Dear All, I’m absolutely not an expert in haproxy and ssl/tls and I’m stucked in a problem. 734] authentication_service/1: SSL handshake failure. e. 4 too many SSL Handshake failures. default-dh-param 2048 log stdout local0 info defaults mode tcp log global option httplog retries 3 timeout http-request 50s timeout queue 1m timeout connect 1m timeout client 1m timeout server 1m timeout http-keep-alive 50s Jun 26, 2023 · HAProxy SSL Handshake failure on one server but not the other. I assume there entire heartbeat detection is broken after all the changes since 2014, and this is now a false positive. (HAProxy community) Solution: May 5, 2020 · 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. 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. 100:51019 [18/Jul/2018:15:35:43. However, when I enable the TLS I get fe_mqtt/1: SSL handshake failure The May 18, 2022 · HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 0 Serving LDAPS lookups over HAProxy, unable to bind in testing No. Help! 2: 283: November 26, 2024 CRITICAL - HAProxy SSL Handshake failure issue. May 14, 2024 · 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. 55. Reload to refresh your session. Help! 6: 2603: September 22, 2023 Nov 17, 2021 · 当我使用 HAproxy 作为负载均衡器时，在 HTTP 终止模式下，我会跟踪它的日志 tail f var log haproxy. You switched accounts on another tab or window. Help! 2: 3079: May 3, 2023 Trying to install SSL Cert for use with HAPROXY. They are not coming from any specific source. 04. 3. 225. This issue happened to us a few times already on both 1. Learn common causes and solutions for smooth SSL connections. 503 Service Unavailable No server is available to handle this request. frontend https-c-in bind 178. pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats ssl-server-verify none #----- # common defaults that 文章浏览阅读1. I can access Postgresql through the no-ssl port (1111), but through the SSL port I can't : my psql command ends up stalling. 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. 79. /haproxy-ingress-values. Oct 18, 2019 · global chroot /var/lib/haproxy pidfile /var/run/haproxy. On backend you can configure haproxy to not verify the ssl cert. 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). 1:55555 local3 notice to gather statistics about failed SSL handshakes. I have the private, public and intermediate cert in the pem file for haproxy. Jun 11, 2014 · ssl/1: SSL handshake failure It seems ssh v2 waits for the server before talking, causing haproxy to mistake it for a ssl connection. So for each api call the connection validating 2 ssl handshake (first handshake between user and haproxy server, second handshake between haproxy and api server )which increasing the response time. SSL handshake failed (5). com:514 len 4096 format rfc5424 syslog maxconn 210000 nbthread 3 spread-checks Sep 19, 2023 · 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. 1. 1e and runs with 1. acme client says everything is ok and renewing certs was also successful. There's three types of errors repeating: Connection closed during SSL handshake Timeout during SSL handshake SSL handshake failure (this one happens rarely) Dec 28, 2018 · So here’s the deal - we have 2 HA proxy instances setup behind a google load balancer. 0 we have fixed some logging bugs, so that those handshake failure actually make it to the syslog. 0 [ Ubuntu 16. It can be protocol mismatch … cipher cuite mismatch … incorrect certificate… Thanks, Mario Dec 15, 2020 · Hello, I have a HAProxy instance that should serve as a proxy to Here. HAProxy 1. I also don’t see any logs at INFO level or in debug (-d) mode showing the health check requests to confirm. For config: frontend frontend_name bind *:443,*:444 ssl crt <path_to_cert> bind *:445 ssl crt <path_to_cert> no-tlsv13 Aug 13, 2015 · I'll try to explain my issue. 138:64745 [08/Nov/2020:23:33:00. 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. 0 active and 0 backup servers left. 18 on CentOS and it is load balancing a couple of Windows Server 2016 machines. However, I still get tons of “SSL handshake failures” in my log. 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. Jan 27, 2025 · Hello I am facing difficulties setting up SSL termination for my HAProxy instance and need some assistance. Sep 4, 2018 · However after some complaints about missing visitors from our customers after switching to HAProxy, we investigated some logs and see a lot of SSL handshake failure errors: Sep 4 14:18:46 loadbalancer haproxy[21591]: 106. 1 local0 user haproxy group haproxy maxconn 10000 stats socket ipv4@127. 5. 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 with HAProxy Sep 30, 2021 · I cannot reach my services (nextcloud + homeassistant) and shows that the cert is expired. Jan 24, 2018 · Apache benchmark shows a lot of SSL failures during reloads. The new errors had the message: SSL handshake failure (error:00000000:lib(0):func(0):reason Jul 13, 2018 · We changed HAProxy configuration so that maxconn is never reached (will provide config below). 294] www-https/1: SSL handshake failure Jul 18 15:35:43 proxy1 haproxy[6464]: 192 Nov 18, 2023 · Nov 18 12:37:05 mail haproxy[126258]: xx. 1 local2 info chroot /var/lib/haproxy pidfile /var/run/haproxy. ) May 21, 2022 · May 21 12:18:26 proxy1 haproxy[2069]: 2. Despite following several guides, the SSL handshake seems to fail, and I get browser errors indicating that the connection isn’t secure. This is a tough one to troubleshoot, not having a device where you can reproduce it easily. 2 Certificate Authority from rds-ca-2019 to rds-ca-ecc384-g1. What rpm thinks is installed locally does not really matter, the output shows what actually happens. cfg 中的前端关键字配置 我不知道日志消息中的 Apr 26, 2023 · Running HA-Proxy version 2. 12. 2 haproxy ssl_fc_sni not matching correctly. 1 requests. log # log 127. 0 we've seen the overall volume of reported errors increase. helm upgrade --install haproxy-ingress incubator/haproxy-ingress \ --namespace test \ -f . About /1 in frontend_name/1: SSL handshake failure: I can't find it in the docs, but by experimenting i found it's the number of port in frontend, to which connection was attempted and SSL handshake failed. 11. Here’s my setup Dec 8, 2021 · ### Detailed Description of the Problem When using error-log-format with %[ss … l_fc_sni], we never actually return a SNI value. HAProxy backend server Jun 15, 2020 · You signed in with another tab or window. 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…) in the HAProxy log of the reverse-proxy Dec 5, 2022 · Can’t haproxy connect to your backend servers or does your client gets a ssl handshake failure when connecting to haproxy? Do you use a self-signed cert? You should be able to use the pem file on frontend. 4 on Ubuntu 22. Jan 28, 2019 · Hello All, I fight with this problem for some time now but unable to figure it out. 241. xxx:443 check inter 2000 rise 2 fall 5 Jul 4, 2017 · Hello all. 0. HAProxy SSL Connection. default-dh-param 2048 chroot /var/empty user haproxy group haproxy stats socket /var/run/haproxy. We converted to SSL Mar 21, 2024 · Basically the check will do a handshake and will close without sending more data, and the HAProxy frontend will see it as a handshake failure, but this is actually not true, this is a known issue and we are trying to find a solution, but usually only people chaining haproxy servers in TCP are affected, because option httpchk won't trigger the Nov 16, 2021 · 会导致frontend-name/bind_ssl_foo: SSL handshake failure。. (8080 -> 443 (HTTPS), 1935 -> 1936 (TCP + TLS)) I installed HAProxy Ingress Controller with. This type of data is not a statistic. One backend is used for connecting an external rest api over SSL(https). 0014 (0. 222. Although, sometimes there are single requests failing SSL handshake. Help! 10: 1192: August 6, 2020 Oct 19, 2017 · First if you want more than one domain (site) to work on HAProxy on same port you need to create only one main frontend: multidomain_group If you want use all time HTTPS for all yours domain it is a good practise to add at this level => Actions => http-response header set => name: Strict-Transport-Security fmt: max-age=15768000 => Condition acl names: left blank. When I try to make maven requests against the same repo however it fails with the error: PKIX path Mar 16, 2019 · haproxy[12734]: Server https_backend/s1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure (Connection reset by peer)", check duration: 1ms. ssh/config Oct 16, 2020 · I’m getting a number of these per day, one burst every 5-10 minutes. Help! 10: 10958: Apr 18, 2024 · Haproxy 3. /ca. 1% of traffic to the new haproxy machine, however there are no SSL handshake failures on the old haproxy version. 8 on Ubuntu 18 in production and we plan to upgrade to version 2. 0 sessions active, 0 requeued, 0 remaining in Oct 21, 2024 · global log 127. Certbot renew is failing so I did some digging and realized HAProxy SSL slightly different. 5dev19). 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. However, I've noticed that I don't receive entries for EVERY failed connection. 1 active and 0 backup servers left. 0,TLS 1. com maps, adding the API key to all passing requests. use error-log-format with ssl_fc_sni (as per the documentation) 2. I can’t ping it or access websites from the haproxy but connections to it are available from other devices. 42. 3) still facing SSL handshake failure; Cipher Suite Mismatch Tested with the existing working Cipher suite Sep 10, 2024 · Hello, We use a HAProxy loadbalancer in TCP mode with behind it a HAProxy reverse proxy in HTTP mode. I’m hitting an issue whereby if I try and run a vulnerability scan e. Is there any way to filter out or silence these logs? global chroot /var/lib/haproxy daemon group haproxy hard-stop-after 12h log syslog. This may be due to unsupported SSL/TLS versions or cipher suites, expired, invalid, or missing SSL certificates, or other causes. pid maxconn 40000 user haproxy group haproxy daemon tune. default-dh-param 2048 ssl-server-verify required ssl-default-bind-options no-sslv3 no-tlsv10 no-tlsv11 no-tls Detailed description of the problem. hereapi Apr 12, 2019 · 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. My config is below frontend https-frontend bind 192. We know that these requests are coming from Android devices, but we’re Mar 6, 2024 · This means HAProxy expects SSL/TLS-encrypted connections on this port. However I think it’s more likely that in 2. … Our test server forces TLSv1. 100:51020 [18/Jul/2018:15:35:43. Make sure that the HAProxy configuration file is correct and that the correct certificates are being used. 25-1ppa1~xenial on Ubuntu 16. I am running HAP 2. Help! 0: 2083: July 18, 2018 Haproxy w/ssl 'SSL handshake failure' Help! 3: 9630: February 10, 2023 Nov 3, 2020 · I’m currently trying to set up haproxy to redirect requests to our local nexus repository. 8 version Jan 27, 2021 · 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. May 19, 2020 · 我使用HAproxy来终止TLS (以及稍后的负载平衡) RabbitMQ (MQTT)。当我禁用TLS的时候，一切都很好。但是，当我启用TLS时，我得到了fe_mqtt/1: SSL handshake failure我使用的证书是由我们加密发出的。我使用的PEM文件是privkey. Nov 18 12: Dec 29, 2021 · I am running a haproxy with multiple backend with SSL. May 17, 2017 · Hello Guys, We are running a website and have 3 servers behind Haproxy. pem ca-file . so if ssl failures occured it only affected that single request. Jan 3, 2015 · To re-iterate, serv1 on its own or together with serv2 works fine. xxx. Pattern: I usually see the problem when a client make too many requests quickly. I opened a discourse post before but after some more research I decided to open thi May 17, 2020 · 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. You signed out in another tab or window. 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) Length: 66 info: "SSL handshake failure", When i see this it is usually issue with the ciphers. [WARNING] (5477) : Server cso-cs-frontends/otcs01 is DOWN, reason: Layer6 invalid Jun 6, 2022 · An update to this, after reading many a forum entry (with a certain very helpful @lukastribus appearing in most of them):. The result is TLSv1. The configuration for the backend is as follows: Oct 28, 2024 · В логах присутствует ошибка: “ ssl handshake failure”. 229:54666 [25/Jun/2023:22:28:46. Today one of our HAProxy 1. 11 and 1. 0 SSL handshake failure. I am really bad with this kind of proxy especially because it is on opensense. foo. SSL labs has confirmed that the certificate is OK (full certificate chain). Can aynone help me? here is config file When I check logs in haproxy I found this. 11 instances was down for about 8 minutes because of this same 10. (HAProxy version 2. 245:32847 [20/Apr/2024:14:40:14. 2 HAProxy backend/server to specific destination using SSL and SNI Nov 9, 2020 · In my logs, I have tens of thousands of lines such as this one: Nov 8 23:33:00 server-1 haproxy[30937]: 96. log 。 有两种类型的日志出现 和 frontend name是名称跟在 etc haproxy haproxy. There are no Jul 31, 2019 · Means we fixed the issue. ls. 319] main/2: SSL handshake failure Can anyone know actual cause of&hellip; Aug 5, 2020 · Removed h2 alpn in haproxy. global log 127. 1:443 ssl crt . 27 , where the content of haproxy-ingress-values. 7 (I think) to this new version (1. xxx:443 mode tcp default_backend c-https backend c-https balance source mode tcp option ssl-hello-chk server c-web-01 192. bar. 816] ilo3/1: SSL handshake failure. trigger a SSL handshake failure (for example with mismatching SSL versions, ciphers or SNI with strict-sni) ### Do you Jul 18, 2018 · 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. 8 SSL handshake failure. 1 terminates SSL connections and does clear text with the backend servers. Below my cfg global log 127. In our logs we see thousands of SSL It's a logical mapping internal to the haproxy process. Feb 9, 2023 · I’ve had haproxy working with a non-ssl/tls frontend for some time. 2, and I try to do some SSL configuration, but I fail, and fail, and fail. 1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy. 1 local2 debug chroot /var/lib/haproxy pidfile /var/run/haproxy. com:port’. Below is message I’m getting after running ‘certbot renew’: Cert is due for renewal, auto-renewing Could not choose appropriate plugin: The manual plugin is not working; there may be problems with your Jan 18, 2021 · 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 Oct 26, 2022 · frontend ssltests mode http bind 192. com 1. According to the HAProxy logs, the issue is an SSL Handshake failure: Jun 6, 2016 · Hi, if you want the association between handshake failure and ip source, you must check the log. 1 there is no performance issue because each request is a new tcp connection. default-dh-param 2028 ssl-default-bind-ciphers ECDHE-RSA Jun 25, 2023 · Jun 25 22:28:46 haproxy haproxy[5750]: 192. Apr 13, 2024 · 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. Sep 21, 2023 · The certificate files are concatenated and each file is just contains one certificate. 378] newdcs_openretry_9992/1: SSL handshake failure (error:14094412:SSL routines:ssl3_read_bytes:sslv3 alert bad certificate) We are experiencing a large number of these requests, causing our bandwidth to spike from 300Mbps to 1Gbps. HAProxy `SSL handshake failure` when proxing request from another server. 4. Unfortunately we can't change error log format. These messages are from the /stats page. So I’ve “dumped” the SSL communication and it has only this: 1 0. Would anyone be able to help me? Mar 5, 2015 · Haproxy ssl redirect handshake failure. Nov 7, 2017 · I tried to configure an HTTPS frontend to an internal RDP backend. Help! 2: 292: November 26, 2024 HAProxy 2. It's only when I take down serv1 that I get the SSL failures. SSL read failed (1) - closing connection 139687255426944:error:140E0197:SSL routines:SSL_shutdown:shutdown Jun 10, 2014 · 我对一个特定的客户端有问题，它击中了我的have负载平衡器。haproxy日志中的错误消息：]incoming_ssl/1: SSL handshake failure所讨论的客户端似乎是一些或ActiveMq服务器--不管是哪种方式，它都是我们零控制的远程服务器。使用ssldump，我看到以下几行：11 5 0. 8 / apache 2. SSL Handshake failure after updating RDS Serverless v2 PostreSQL 15. Apr 23, 2015 · 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. 4 haproxy Server XXXXX is DOWN, reason: Layer4 timeout. 312] HTTP/3: SSL handshake failure Lines such as these are created around thirty times per second. Currently haproxy receiving traffic but its not able to talk to service . HAproxy with Let'sEncrypt certificate produces SSL handshake failure. com:8081" as navigation proxy | (https) | V HaProxy : Frontend is configured to receive https request on port 8081 Backend configured forward to squid proxy sever via Oct 9, 2023 · Hello Guys, I have tried so many different things from different available solutions but for some reason backend failed to show up as available. 1:57475 [21/May/2022:12:18:26. If I run a tail -f on the log file, and grep the Jul 28, 2017 · Hi, I’m using HA-Proxy version 1. Why this is depends on what has been previously Nov 16, 2016 · haproxy log: rdpbroker/1: SSL handshake failure; When I use “openssl s_client” or curl to connect to pool{n}. Haproxy logs on 1. ssl. 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. sock mode 666 level admin stats timeout 2m ssl-server-verify none tune. Firefox browser version - 49. Server config - The commented Mar 1, 2019 · 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. 99:53156 [17/May/2017:12:37:21. This is a different message. nginx). I captured the tcp traffic on the haproxy server when a rdp client tries to connect: Sep 24, 2022 · Haproxy w/ssl 'SSL handshake failure' Help! 3: 10378: February 10, 2023 Trying to install SSL Cert for use with HAPROXY. Behind HA proxy there’s 6 web servers. I wonder whether I need to download manually a certificate and choose it in the broker/certificate but of course that would be an issue because if I have it installed in thousands mikrotiks the moment I will need to change the certificate in my server I would Dec 8, 2017 · Secure Sockets Layer TLSv1. pem ca-file /tmp/ca. I tested the same over http it is working fine and response time also Jan 24, 2025 · SSL handshake failure (error:0A000412:SSL routines::sslv3 alert bad certificate Like I say, I set up the certs in the same way for both domains, so I’m confused why I’m getting different behaviours. option redispatch. 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. 6 - Backend ssl handshake failure. Layer6 invalid response, info: "SSL handshake failure" Dec 21, 2016 · I’ve a haproxy setup with tcp mode ssl configuration [ to offload ssl sockets traffic]. So I don’t know what more to check and what to do. Your actual backend TLS gets configured on the backend server itself <IP-address>:8443 of web02. 04 LTS] HAProxy config entry: frontend wapp1 bind 10. Does anybody recognize this issue? Thanks in advance. hereapi. There are intermittent SSL handshake failures after migrating 0. ### Steps to Reproduce the Behavior 1. From investigating 1 affected IP my findings were: The log message “Connection closed during SSL handshake” occurs when there is no handshake in progress. com’ which i can access like ‘host-192-168-1-100. If you can find a User-Agent that is present in the Ubuntu 16. Nov 18 12:47:14 mail haproxy[126258]: [WARNING] (126258) : Proxy letsencrypt-backend stopped (cumulated conns: FE: 0, BE: 0). 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. 1:514 local2 daemon maxconn 256 defaults log global mode http option httplog timeout connect 5s timeout client 50s timeout server 50s frontend squid_front Jan 13, 2023 · Haproxy 1. 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. 102. yaml is May 20, 2020 · I am using HAproxy to terminate TLS (and later also load balance) RabbitMQ (MQTT). crt verify optional crt-ignore-err 10 use_backend static if { ssl_c_verify 10 } # if the certificate has expired, route the user to a less sensitive server to print an help page use_backend sharepoint if { ssl_fc_has_crt } # check if the certificate has been provided and give access to the application default Running HAProxy on an OPNsense box and for the most part everything is happy. 2024-06 Apr 18, 2024 · ssl handshake failure after heartbeat HAProxy 错误 ssl handshake with client failed，叮，成功触发隐藏BUG最近打Release包提测后，用Charles代理项目，偶然发现在某些设备上会代理失败。而且很无语的是，当时的场景是周围的小伙伴们都没有出现这个问题，只有我总是代理失败。 Aug 2, 2021 · Haproxy w/ssl 'SSL handshake failure' Help! 3: 9864: February 10, 2023 Proxy protocol causes SSL handshake failure. Mar 26, 2025 · Haproxy w/ssl 'SSL handshake failure' Help! 3: 9889: February 10, 2023 SSL handshake failure error:0A000416. I am running haproxy on my docker container. Help! 2: 3096: May 3, 2023 May 7, 2025 · As a consequence haproxy logged SSL handshake failure without any more details, as is its habit. I configured haproxy for SSL termination and started everything up. crt). Appreciate any education. vvv:63965 [18/Nov/2023:12:37:05. maps. Jun 21, 2019 · Can you provide the output of haproxy -vv of both your new and your old deployment? This could also depend on the OpenSSL version. yy. Apr 20, 2024 · Apr 20 14:40:14 192. XXXXX:36909 [16/Dec/2015:17:23:07. * /var/log/haproxy. Help! 3: 1827: June 22, 2017 Getting TLS Handshake errors. 1e is what this means. 0:443: SSL handshake failure Jul 9, 2020 · Haproxy ssl redirect handshake failure. I’m trying to setup something like this: Client : Uses "https://proxy. 2 Record Layer: Handshake Protocol: Multiple Handshake Messages Content Type: Handshake (22) Version: TLS 1. Access to those two backend servers works fine: However the health check on HaProxy fails with a Layer 6 issue. 0001) S>C TCP FIN So to me it looks like that some server Aug 5, 2020 · Haproxy SSL handshake failure. Without impacting your production site, I think that maybe you could compare User-Agents from both load-balancing deployments. 🙃 The issue arises when I try to serve HTTPS traffic through HAProxy while forwarding requests to backend servers using HTTP. 8 as HTTPS termination proxy in a VPN. Nov 6, 2021 · CRITICAL - HAProxy SSL Handshake failure issue. Nov 17, 2021 · Error log format explains that /1 in frontend_name/1 is bind_name and can be declared: will result in frontend-name/bind_ssl_foo: SSL handshake failure. Sep 29, 2020 · And I use HAProxy Ingress controller to wrap the ports in TLS. After upgrading from 1. However the following backend configuration fails with messages &#39;SSL handshake failure backen&hellip; May 31, 2017 · 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. 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). This is my haproxy -vv Sep 22, 2016 · I am terminating SSL at the load balancer (HAProxy 1. pid maxconn 4000 user haproxy group haproxy daemon tune. yaml \ --version v0. 7. 5 SSL and many website. I am having this issue of ssl handshake failure between haproxy and backend server and can’t quite figure it out what is wrong with the configuration. backend office balance roundrobin server backbone-daily 10. cfg and restarted and still faced SSL failures for normal http1. Posted by u/emrahbay - 5 votes and 6 comments Sep 13, 2016 · I've got 3 Postgresql nodes, one Etcd container, and a HAproxy loadbalancer. Let's see some logs: Haproxy Logs Aug 13 17:00:28 Aug 8, 2019 · 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. 8), I’ve got a lot of “SSL handshake failure” from the same address every 5 seconds. So openssl and the cert are not generally broken. Или, если в Haproxy ошибок нет, но на стороне AM/AK ошибка "Не удалось создать защищенный канал SSL/TLS" In this section, you will learn how to configure SSL/TLS in HAProxy Kubernetes Ingress Controller. 1:9997 level admin stats socket /var/run/haproxy. Then, when the . pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats # utilize system-wide crypto-policies ssl Aug 4, 2023 · 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. 3 TLS_AES_128_GCM_SHA256 SSL handshake failure -` Mar 15, 2020 · Hello community, I’m trying to setup a reverse HAProxy to connect to a forward, LDAP auth based Squid. 0 HA Proxy - Failure to make ssl_fc_sni apply to SSL Aug 2, 2021 · Postgres doesn’t provide implicit SSL endpoints, but it’s startssl (explicit via postgresql negotiation, also see your openssl command). 1649) C>S Alert level Jan 4, 2024 · Detailed Description of the Problem We are intermittently encountering SSL handshake errors in the haproxy logs. com How can I get haproxy to completely ignore SSL handshake errors? A line like the following can be added to # /etc/sysconfig/syslog # # local2. 7 LTS We are seeing a large amount of “Connection closed during SSL handshake” messages logged - 25% of messages logged. example. No luck. I ran tshark to capture traffic. Compared to most, this system is not very busy, but has lots of many hours long connections vs millions on single transactions. 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. g. Help! 10: 10942: Jan 8, 2019 · Problem: Around 1% of the requests are "SSL handshake failure". 04 logs, but is completely absent in the logs of the 18 Feb 14, 2023 · Hi all, I inherited infrastructure with HAProxy and my domain cert is due for renewal. I’ve been reluctant to change the SSL settings from standard to not risk angering the SSLLabs and other security metrics. Jun 18, 2023 · (see cfg file below) global maxconn 100 daemon tune. 0013 (0. Dec 26, 2023 · There are a number of possible causes for an HAProxy SSL handshake failure, including: Incorrect configuration: The most common cause of an HAProxy SSL handshake failure is an incorrect configuration. Help! 0: 2081: July 18, 2018 Haproxy 2. 189:55618 [04/Sep/2018:14:18:36. 3) still facing SSL handshake failure; Cipher Suite Mismatch Tested with the existing working Cipher suite Jan 11, 2024 · My HAPROXY 2. pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:ECDH+3DES:DH+3DES:RSA+AESGCM:RSA+AES:RSA+3DES:!aNULL:!MD5:!DSS ssl Nov 12, 2020 · Hi there I have a big issue regarding connection Haproxy to mysql throught ssl with mysql self signed cert. In the backend configuration, make sure “SSL check” is set to “No. 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. /server. All the ssl related configuration on the server line is therefor wrong, you will have to remove it completely (ssl verify required ca-file my-ca. 8. 2. 3 using “ssl-default-bind-options force-tlsv13” . ” Jan 3, 2018 · Hi, I trying to setup a HTTPS frontend with ACL to HTTPS backends for Ubuntu and RHEL private repositories at our company. 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. 10. I’m using HA-Proxy version 1. pem verify optional crt-ignore Jul 24, 2023 · Haproxy 3. This results in the observed SSL handshake failure. We used to run haproxy with SSL pass thru. 不幸的是，我们不能更改错误日志格式。 要了解更多信息，我们必须使连接 May 2, 2023 · 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. Jan 18, 2021 · 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. Aug 11, 2021 · 因此，habit记录SSL handshake failure时没有更多的细节，这是它的习惯。 在将 TLS Web Server Authentication 添加到haproxy前端部分的证书和在haproxy后端部分添加 TLS Web Client Authentication 到证书之后，原始海报报告了成功。 Dec 2, 2020 · 我知道这是一个常见的问题，这通常意味着证书验证存在问题。情况似乎并非如此，因为我不验证证书。这是我的服务器规范在开始时的样子：server 1. but it looks like there is a problem on the HAproxy side. So far the setup is running Dec 4, 2020 · I use log 127. 5. 86. Help! 0: 489: January 13, 2023 Jul 23, 2024 · Hello, we are adding Haproxy between Routes and app pods to Inbound connectivity from the F5 . May 2, 2023 · 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. HAProxy is not able to negotiate a secure connection to a Mutual TLS secured server. base. It turns out haproxy is very picky about the order of certificates in a 'full' PEM; the correct order is sever cert followed by CA cert, and doesn't actually say there's a problem if you got the order wrong, it just doesn't offer a handshake when something connects with SSL. Just recently I was tasked to have haproxy listen for https connections specifically. 168. You CAN use letsencrypt to set up a certificate for your servers to talk to each other over https internally, but can just use a self-signed cert that exprires in like 10 years rather than having to renew letsencrypt all the time since it's just internal anyway. To debug the problem I run sniffer, it shows Alert Message as “Unknown CA (48)”. When I disable TLS it all works great. mydomain. 0 sessions active, 0 requeued, 0 remaining in queue. (We’re currently using mode tcp with tcp-request to block. . pem和fullchain. To learn more we have to make that connection successful and that most likely requires us to lower security (FOR DEBUGGING ONLY!). Haproxy was build with 1. 198 Mar 21, 2024 · SSL handshake failure. 103 haproxy[8]: 183. Is this certificate working correctly? What happens when you connect with your browser? -NO SSL connection from haproxy backend to emby IP+port. zzz. nqcj ddx ljeaeo ccvrhmg ueeekz mopmff ulgbdw vmqt mbte dpfu