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Jitsi SSL Offload HAProxy Not Working

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  • Y
    yuljk
    last edited by Apr 20, 2020, 4:09 PM

    Hi guys - I already have a working HAProxy setup running on pfsense for various web services etc. All pointing to http backends.

    I'm trying to do likewise for my Jitsi server, but I get a '503 service unavailable' and the backend is down in HAProxy stats.

    Has anyone been able to get Jitsi working behind HAProxy?

    Here's my config.

    # Automaticaly generated, dont edit manually.
    # Generated on: 2020-04-20 16:52
    global
    	maxconn			100
    	stats socket /tmp/haproxy.socket level admin  expose-fd listeners
    	uid			80
    	gid			80
    	nbproc			1
    	nbthread			1
    	hard-stop-after		15m
    	chroot				/tmp/haproxy_chroot
    	daemon
    	tune.ssl.default-dh-param	2048
    	server-state-file /tmp/haproxy_server_state
    	ssl-default-bind-ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256
    	ssl-default-bind-options no-sslv3 no-tlsv10 no-tlsv11 no-tls-tickets
    	ssl-default-server-ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256
    	ssl-default-server-options no-sslv3 no-tlsv10 no-tlsv11 no-tls-tickets
    
    listen HAProxyLocalStats
    	bind 127.0.0.1:2200 name localstats
    	mode http
    	stats enable
    	stats admin if TRUE
    	stats show-legends
    	stats uri /haproxy/haproxy_stats.php?haproxystats=1
    	timeout client 5000
    	timeout connect 5000
    	timeout server 5000
    
    frontend HTTPS-Edge-SNI
    	bind			127.0.0.1:1443 name 127.0.0.1:1443   ssl crt-list /var/etc/haproxy/HTTPS-Edge-SNI.crt_list  
    	bind			someip:443 name someip:443   ssl crt-list /var/etc/haproxy/HTTPS-Edge-SNI.crt_list  
    	bind /tmp/haproxy_chroot/HTTPS-Edge-SNI.socket name unixsocket uid 80 accept-proxy   ssl crt-list /var/etc/haproxy/HTTPS-Edge-SNI.crt_list 
    	mode			http
    	log			global
    	option			http-keep-alive
    	timeout client		30000
    	acl			mail-acl	var(txn.txnhost) -m str -i mail.some-domain.com
    	acl			monitor-acl	var(txn.txnhost) -m str -i monitor.some-domain.com
    	acl			filter-acl	var(txn.txnhost) -m str -i filter.some-domain.com
    	acl			autodiscover-acl	var(txn.txnhost) -m str -i autodiscover.some-domain.com
    	acl			cloud-acl	var(txn.txnhost) -m str -i cloud.some-domain.com
    	acl			invoice-acl	var(txn.txnhost) -m str -i invoice.domedomain.com
    	acl			blog-acl	var(txn.txnhost) -m str -i blog.some-domain.com
    	acl			www-acl	var(txn.txnhost) -m str -i www.somedomain.com
    	acl			www-redirect	var(txn.txnhost) -m str -i somedomain.com
    	acl			mail-owa	var(txn.txnpath) -m beg -i /owa
    	acl			mail-ecp	var(txn.txnpath) -m beg -i /ecp
    	acl			mail-mapi	var(txn.txnpath) -m beg -i /mapi
    	acl			mail-ews	var(txn.txnpath) -m beg -i /EWS
    	acl			mail-oab	var(txn.txnpath) -m beg -i /OAB
    	acl			mail-activesync	var(txn.txnpath) -m beg -i /Microsoft-Server-ActiveSync
    	acl			mail-rpc	var(txn.txnpath) -m beg -i /rpc/rpcproxy.dll
    	acl			mail-autodiscover	var(txn.txnpath) -m beg -i /Autodiscover
    	acl			mail-healthcheck	var(txn.txnpath) -m end -i HealthCheck.htm
    	acl			source-internal	src somerange/24
    	acl			mail-owa-redirect	var(txn.txnpath) -m str -i / /owa
    	acl			chat-acl	var(txn.txnhost) -m str -i chat.some-domain.com
    	acl			conference-acl	var(txn.txnhost) -m str -i conference.some-domain.com
    	http-request set-var(txn.txnhost) hdr(host)
    	http-request set-var(txn.txnpath) path
    	http-request deny   if  mail-acl mail-healthcheck 
    	http-request redirect prefix https://www.somedomain.com  if  www-redirect 
    	http-request redirect location https://mail.some-domain.com/owa/  if  mail-acl mail-owa-redirect 
    	use_backend monitor_ipvANY  if  monitor-acl 
    	use_backend filter_ipvANY  if  filter-acl 
    	use_backend cloud_ipvANY  if  cloud-acl 
    	use_backend invoice_ipvANY  if  invoice-acl 
    	use_backend blog_ipvANY  if  blog-acl 
    	use_backend www_ipvANY  if  www-acl 
    	use_backend mail-owa_ipvANY  if  mail-owa mail-acl 
    	use_backend mail-ecp_ipvANY  if  mail-ecp mail-acl source-internal 
    	use_backend mail-mapi_ipvANY  if  mail-mapi mail-acl 
    	use_backend mail-ews_ipvANY  if  mail-ews mail-acl 
    	use_backend mail-oab_ipvANY  if  mail-oab mail-acl 
    	use_backend mail-activesync_ipvANY  if  mail-activesync mail-acl 
    	use_backend mail-rpc_ipvANY  if  mail-rpc mail-acl 
    	use_backend mail-autodiscover_ipvANY  if  mail-autodiscover mail-acl 
    	use_backend mail-autodiscover_ipvANY  if  autodiscover-acl mail-autodiscover 
    	use_backend chat_ipvANY  if  chat-acl 
    	use_backend conference_ipvANY  if  conference-acl 
    
    frontend HTTP-Edge
    	bind			myip:80 name myip:80   
    	mode			http
    	log			global
    	option			http-keep-alive
    	timeout client		30000
    	acl			mail-acl	var(txn.txnhost) -m str -i mail.some-domain.com
    	acl			filter-acl	var(txn.txnhost) -m str -i filter.some-domain.com
    	acl			cloud-acl	var(txn.txnhost) -m str -i cloud.some-domain.com
    	acl			monitor-acl	var(txn.txnhost) -m str -i monitor.some-domain.com
    	acl			www-acl	var(txn.txnhost) -m str -i www.somedomain.com
    	acl			blog-acl	var(txn.txnhost) -m str -i blog.some-domain.con
    	acl			www-redirect	var(txn.txnhost) -m str -i somedomain.com
    	acl			invoice-acl	var(txn.txnhost) -m str -i invoice.somedomain.com
    	http-request set-var(txn.txnhost) hdr(host)
    	http-request redirect scheme https  if  mail-acl 
    	http-request redirect scheme https  if  filter-acl 
    	http-request redirect scheme https  if  cloud-acl 
    	http-request redirect scheme https  if  monitor-acl 
    	http-request redirect scheme https  if  www-acl 
    	http-request redirect scheme https  if  blog-acl 
    	http-request redirect prefix https://www.somedomain.com if  www-redirect 
    	http-request redirect scheme https  if  invoice-acl 
    
    frontend HTTPS-Edge-TCP
    	bind			myip:443 name myip:443   
    	mode			tcp
    	log			global
    	timeout client		14400000
    	tcp-request inspect-delay	5s
    	acl			netscaler-acl	req.ssl_sni -i somedomain.com
    	acl			netscaler-acl	req.ssl_sni -i apps.somedomain.com:443
    	acl			hasSNI	req.ssl_sni -m found
    	tcp-request content accept if { req.ssl_hello_type 1 }
    	use_backend netscaler_ipvANY  if  netscaler-acl || !hasSNI 
    	default_backend defaultbackend_ipvANY
    
    backend monitor_ipvANY
    	mode			http
    	id			113
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk OPTIONS / 
    	http-response add-header Content-Security-Policy upgrade-insecure-requests
    	server			ICARUS ip:80 id 114 check inter 1000  
    
    backend filter_ipvANY
    	mode			http
    	id			107
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	http-response add-header Content-Security-Policy upgrade-insecure-requests
    	server			STYX ip:80 id 108 check inter 1000  
    
    backend cloud_ipvANY
    	mode			http
    	id			121
    	log			global
    	http-response set-header Strict-Transport-Security max-age=31536000;
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk OPTIONS / 
    	http-response add-header Content-Security-Policy upgrade-insecure-requests
    	server			OEDIPUS ip:80 id 122 check inter 1000  
    
    backend invoice_ipvANY
    	mode			http
    	id			123
    	log			global
    	http-response set-header Strict-Transport-Security max-age=31536000;
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk OPTIONS / 
    	server			CLYTIA ip:443 id 124 ssl check inter 1000  verify none 
    
    backend blog_ipvANY
    	mode			http
    	id			117
    	log			global
    	http-response set-header Strict-Transport-Security max-age=31536000;
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	http-response add-header Content-Security-Policy upgrade-insecure-requests
    	server			MINOTAUR ip:80 id 104 check inter 1000  
    
    backend www_ipvANY
    	mode			http
    	id			103
    	log			global
    	http-response set-header Strict-Transport-Security max-age=31536000;
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	http-response add-header Content-Security-Policy upgrade-insecure-requests
    	server			MINOTAUR ip:80 id 126 check inter 1000  
    
    backend mail-owa_ipvANY
    	mode			http
    	id			109
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /owa/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-ecp_ipvANY
    	mode			http
    	id			102
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /ECP/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-mapi_ipvANY
    	mode			http
    	id			110
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /mapi/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-ews_ipvANY
    	mode			http
    	id			118
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /EWS/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-oab_ipvANY
    	mode			http
    	id			125
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /OAB/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-activesync_ipvANY
    	mode			http
    	id			127
    	log			global
    	timeout connect		30000
    	timeout server		900000
    	retries			3
    	option			httpchk GET /Microsoft-Server-ActiveSync/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-rpc_ipvANY
    	mode			http
    	id			128
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /RPC/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend mail-autodiscover_ipvANY
    	mode			http
    	id			129
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk GET /Autodiscover/HealthCheck.htm 
    	http-check expect string 200 OK
    	server			EREBOS ip:80 id 112 check inter 1000  
    
    backend chat_ipvANY
    	mode			http
    	id			100
    	log			global
    	http-response set-header Strict-Transport-Security max-age=31536000;
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk OPTIONS / 
    	server			GERYON ip:3000 id 122 check inter 1000  
    
    backend conference_ipvANY
    	mode			http
    	id			101
    	log			global
    	http-response set-header Strict-Transport-Security max-age=31536000;
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	option			httpchk OPTIONS / 
    	server			GERYON ip:80 id 122 check inter 1000  
    
    backend netscaler_ipvANY
    	mode			tcp
    	id			115
    	log			global
    	timeout connect		30000
    	timeout server		14400000
    	retries			10
    	http-check expect status 403
    	server			GANYMEDE ip:443 id 116 check inter 60000  
    
    backend defaultbackend_ipvANY
    	mode			tcp
    	id			105
    	log			global
    	timeout connect		30000
    	timeout server		30000
    	retries			3
    	server			defaultbackend /HTTPS-Edge-SNI.socket send-proxy-v2-ssl-cn id 106 check inter 1000
    

    The frontend acl is 'conference-acl' and the backend is 'conference'

    I have configured the following in /etc/jitsi/videobridge/sip-communicator-properties

    
    org.ice4j.ice.harvest.NAT_HARVESTER_LOCAL_ADDRESS=localip
    org.ice4j.ice.harvest.NAT_HARVESTER_PUBLIC_ADDRESS=FGDN
    
    

    Kind Regards

    P 1 Reply Last reply Apr 20, 2020, 5:25 PM Reply Quote 0
    • P
      PiBa @yuljk
      last edited by PiBa Apr 20, 2020, 5:42 PM Apr 20, 2020, 5:25 PM

      @yuljk
      If the backend is 'down' according to haproxy then haproxy replies with 503 to the client so that part is 'as expected'.

      The main question currently then is: 'why is the backend down' https://github.com/PiBa-NL/pfsense-haproxy-package-doc/wiki/haproxy_troubleshooting
      What does the 'LastChk' column say on the stats page?

      1 Reply Last reply Reply Quote 0
      • Y
        yuljk
        last edited by Apr 20, 2020, 8:54 PM

        Hi PiBa - Many thanks for the reply!

        I've managed to fix this issue. The problem was caused by using Jitsi's embedded webserver during the installation, which didn't work atall when performing SSL offloading. This seems to be a common issue looking at their forums.

        Instead I started again, this time installing Apache prior to the Jitsi installation. Jitsi then configured Apache2 accordingly.

        I had to configure the backend in HAProxy for port 443 and now offloading is working correctly.

        Here's my working apache2 config for reference.

        <VirtualHost *:80>
            ServerName mydomain
            Redirect permanent / https://mydomain/
            RewriteEngine On
            RewriteCond %{HTTPS} off
            RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]
        </VirtualHost>
        
        <VirtualHost *:443>
        
          ServerName mydomain
        
          SSLProtocol TLSv1 TLSv1.1 TLSv1.2
          SSLEngine on
          SSLProxyEngine on
          SSLCertificateFile /etc/jitsi/meet/mydomain.crt
          SSLCertificateKeyFile /etc/jitsi/meet/mydomain.key
          SSLCipherSuite "EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA256:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EDH+aRSA+AESGCM:EDH+aRSA+SHA256:EDH+aRSA:EECDH:!aNULL:!eNULL:!MEDIUM:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS:!RC4:!SEED"
          SSLHonorCipherOrder on
          Header set Strict-Transport-Security "max-age=31536000"
        
          DocumentRoot "/usr/share/jitsi-meet"
          <Directory "/usr/share/jitsi-meet">
            Options Indexes MultiViews Includes FollowSymLinks
            AddOutputFilter Includes html
            AllowOverride All
            Order allow,deny
            Allow from all
          </Directory>
        
          ErrorDocument 404 /static/404.html
        
          Alias "/config.js" "/etc/jitsi/meet/conference.apollon-domain.co.uk-config.js"
          <Location /config.js>
            Require all granted
          </Location>
        
          Alias "/external_api.js" "/usr/share/jitsi-meet/libs/external_api.min.js"
          <Location /external_api.js>
            Require all granted
          </Location>
        
          ProxyPreserveHost on
          ProxyPass /http-bind http://localhost:5280/http-bind/
          ProxyPassReverse /http-bind http://localhost:5280/http-bind/
        
          RewriteEngine on
          RewriteRule ^/([a-zA-Z0-9]+)$ /index.html
        </VirtualHost>
        
        

        Kind Regards

        1 Reply Last reply Reply Quote 0
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