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Stack Exchange HAProxy
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| # This is an example of the Stack Exchange Tier 1 HAProxy config | |
| # The only things that have been changed from what we are running are: | |
| # 1. User names have been removed | |
| # 2. All Passwords have been remove | |
| # 3. IPs have been changed to use the example/documentation ranges | |
| # 4. Rate limit numbers have been changed to randome numbers, don't read into them | |
| userlist stats-auth | |
| group admin users $admin_user | |
| user $admin_user insecure-password $some_password | |
| group readonly users $some_user | |
| user $some_user insecure-password $some_other_password | |
| global | |
| daemon | |
| stats socket /var/run/haproxy-t1.stat level admin | |
| maxconn 100000 | |
| pidfile /var/run/haproxy-t1.pid | |
| log 127.0.0.1 local0 | |
| log 192.0.2.17 local0 | |
| tune.bufsize 16384 | |
| tune.maxrewrite 1024 | |
| spread-checks 4 | |
| log-send-hostname ny-lb05 | |
| defaults | |
| errorfile 503 /etc/haproxy-shared/errors/503.http | |
| errorfile 502 /etc/haproxy-shared/errors/502.http | |
| mode http | |
| timeout connect 15s | |
| timeout client 60s | |
| timeout server 150s | |
| timeout queue 60s | |
| timeout http-request 15s | |
| timeout http-keep-alive 15s | |
| option httplog | |
| option redispatch | |
| option dontlognull | |
| balance source | |
| backend be_api_1.1 | |
| mode http | |
| balance roundrobin | |
| reqirep ^([^\ ]*)\ /1.0/(.*) \1\ /\2 | |
| reqirep ^([^\ ]*)\ /1.1/(.*) \1\ /\2 | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD /ping HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:api.stackoverflow.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_api | |
| mode http | |
| balance roundrobin | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD /ping HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:api.stackexchange.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_area51_stackexchange_com | |
| mode http | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:area51.stackexchange.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_careers | |
| mode http | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD /ping HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:careers.stackoverflow.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_internal_api | |
| mode http | |
| balance roundrobin | |
| option http-server-close | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:stackoverflow.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_meta_so | |
| mode http | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:meta.stackoverflow.com | |
| server ny-web10 203.0.113.110:80 check | |
| server ny-web11 203.0.113.111:80 check | |
| backend be_mobile | |
| mode http | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:mobile.stackexchange.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_openid | |
| mode http | |
| balance roundrobin | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD /ping HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:openid.stackexchange.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_others | |
| mode http | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:serverfault.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_so | |
| mode http | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:stackoverflow.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_so_crawler | |
| mode http | |
| balance roundrobin | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:stackoverflow.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_sstatic | |
| mode http | |
| balance roundrobin | |
| acl HTTP_OK status 200:399 | |
| rspidel ^Cache-Control:.* unless HTTP_OK | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD / HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:sstatic.net | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| backend be_stackauth | |
| mode http | |
| balance roundrobin | |
| reqirep ^([^\ ]*)\ /1.0/(.*) \1\ /\2 | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| tcp-request content track-sc2 src | |
| acl conn_rate_abuse sc2_conn_rate gt 10 | |
| acl mark_as_abuser sc1_inc_gpc0 gt 3 | |
| tcp-request content reject if conn_rate_abuse !rate_limit_whitelist mark_as_abuser | |
| stats enable | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN | |
| stats uri /ilovestats | |
| stats refresh 30s | |
| option httpchk HEAD /ping HTTP/1.1\r\nUser-Agent:HAProxy\r\nHost:stackauth.com | |
| server ny-web01 203.0.113.101:80 check | |
| server ny-web02 203.0.113.102:80 check | |
| server ny-web03 203.0.113.103:80 check | |
| server ny-web04 203.0.113.104:80 check | |
| server ny-web05 203.0.113.105:80 check | |
| server ny-web06 203.0.113.106:80 check | |
| server ny-web07 203.0.113.107:80 check | |
| server ny-web08 203.0.113.108:80 check | |
| server ny-web09 203.0.113.109:80 check | |
| frontend fe_stackauth | |
| bind 198.51.100.21:80 name stackauth | |
| bind 198.51.100.145:80 name stackauth | |
| log global | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| capture request header Referer len 64 | |
| capture request header User-Agent len 128 | |
| capture request header Host len 64 | |
| capture request header X-Forwarded-For len 64 | |
| capture request header Accept-Encoding len 64 | |
| capture response header Content-Encoding len 64 | |
| capture response header X-Page-View len 1 | |
| capture response header X-Route-Name len 64 | |
| capture response header X-Account-Id len 7 | |
| capture response header X-Sql-Count len 4 | |
| capture response header X-Sql-Duration-Ms len 7 | |
| capture response header X-AspNet-Duration-Ms len 7 | |
| capture response header X-Application-Id len 5 | |
| capture response header X-Request-Guid len 36 | |
| capture response header X-Redis-Count len 4 | |
| capture response header X-Redis-Duration-Ms len 7 | |
| capture response header X-Http-Count len 4 | |
| capture response header X-Http-Duration-Ms len 7 | |
| capture response header X-TE-Count len 4 | |
| capture response header X-TE-Duration-Ms len 7 | |
| rspidel ^(X-Page-View|Server|X-Route-Name|X-Account-Id|X-Sql-Count|X-Sql-Duration-Ms|X-AspNet-Duration-Ms|X-Application-Id|X-Request-Guid|X-Redis-Count|X-Redis-Duration-Ms|X-Http-Count|X-Http-Duration-Ms|X-TE-Count|X-TE-Duration-Ms): | |
| maxconn 40000 | |
| option http-server-close | |
| option forwardfor | |
| option httplog | |
| acl source_is_serious_abuse src_conn_rate(fe_stackauth) gt 20 | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| acl api_only_ips src -f /etc/haproxy-shared/api-only-ips | |
| acl api_only_whitelist src -f /etc/haproxy-shared/api-only-whitelist | |
| acl is_crawler src -f /etc/haproxy-shared/crawlers | |
| acl is_crawler_ua hdr(user-agent) -f /etc/haproxy-shared/crawlers_ua | |
| acl source_is_abuser src_get_gpc0(fe_stackauth) gt 0 | |
| tcp-request connection track-sc1 src if !source_is_abuser | |
| default_backend be_stackauth | |
| frontend http-in | |
| bind 198.51.100.16:80 name stackexchange | |
| bind 198.51.100.17:80 name careers | |
| bind 198.51.100.30:80 name careers.sstatic.net | |
| bind 198.51.100.18:80 name openid | |
| bind 198.51.100.24:80 name misc | |
| bind 198.51.100.140:80 name stackexchange | |
| bind 198.51.100.141:80 name careers | |
| bind 198.51.100.154:80 name careers.sstatic.net | |
| bind 198.51.100.142:80 name openid | |
| bind 198.51.100.148:80 name misc | |
| log global | |
| stick-table type ip size 999k expire 1m store conn_rate(30s) | |
| capture request header Referer len 64 | |
| capture request header User-Agent len 128 | |
| capture request header Host len 64 | |
| capture request header X-Forwarded-For len 64 | |
| capture request header Accept-Encoding len 64 | |
| capture response header Content-Encoding len 64 | |
| capture response header X-Page-View len 1 | |
| capture response header X-Route-Name len 64 | |
| capture response header X-Account-Id len 7 | |
| capture response header X-Sql-Count len 4 | |
| capture response header X-Sql-Duration-Ms len 7 | |
| capture response header X-AspNet-Duration-Ms len 7 | |
| capture response header X-Application-Id len 5 | |
| capture response header X-Request-Guid len 36 | |
| capture response header X-Redis-Count len 4 | |
| capture response header X-Redis-Duration-Ms len 7 | |
| capture response header X-Http-Count len 4 | |
| capture response header X-Http-Duration-Ms len 7 | |
| capture response header X-TE-Count len 4 | |
| capture response header X-TE-Duration-Ms len 7 | |
| rspidel ^(X-Page-View|Server|X-Route-Name|X-Account-Id|X-Sql-Count|X-Sql-Duration-Ms|X-AspNet-Duration-Ms|X-Application-Id|X-Request-Guid|X-Redis-Count|X-Redis-Duration-Ms|X-Http-Count|X-Http-Duration-Ms|X-TE-Count|X-TE-Duration-Ms): | |
| maxconn 40000 | |
| option http-server-close | |
| option forwardfor | |
| option httplog | |
| acl source_is_serious_abuse src_conn_rate(http-in) gt 1000 | |
| acl rate_limit_whitelist src -f /etc/haproxy-shared/whitelist-ips | |
| acl api_only_ips src -f /etc/haproxy-shared/api-only-ips | |
| acl api_only_whitelist src -f /etc/haproxy-shared/api-only-whitelist | |
| acl is_crawler src -f /etc/haproxy-shared/crawlers | |
| acl is_crawler_ua hdr(user-agent) -f /etc/haproxy-shared/crawlers_ua | |
| acl source_is_abuser src_get_gpc0(http-in) gt 2 | |
| acl is_feeds path_beg /feeds/ | |
| acl is_internal_api path_beg /api/ | |
| acl is_careers hdr_beg(host) -i careers. jobs. | |
| acl is_so hdr_end(host) -i stackoverflow.com | |
| acl is_sstatic hdr_end(host) -i sstatic.net | |
| acl is_stackauth hdr_end(host) -i stackauth.com | |
| acl is_se hdr_end(host) -i stackexchange.com | |
| acl is_area51 hdr(host) -i area51.stackexchange.com | |
| acl is_mobile hdr(host) -i mobile.stackexchange.com | |
| acl is_stackexchange_com hdr(host) -i stackexchange.com | |
| acl is_meta_so hdr_end(host) -i meta.stackoverflow.com | |
| acl is_dev_meta_webapps hdr_end(host) -i meta.dev.webapps.stackexchange.com | |
| acl is_dev_fb hdr_end(host) -i fb.dev.stackoverflow.com | |
| acl is_api_2 hdr(host) -i api.stackexchange.com | |
| acl is_api hdr_sub(host) -i api | |
| acl is_api_1.0 path_beg /1.0/ | |
| acl is_api_1.1 path_beg /1.1/ | |
| acl is_api_root path / | |
| acl is_api_static path_beg -i /admin /content /crossdomain.xml /clientaccesspolicy.xml /robots.txt | |
| acl is_dev hdr_beg(host) -i dev. | |
| acl is_dev_discuss hdr_end(host) -i discuss.dev.area51.stackexchange.com | |
| acl is_openid hdr_beg(host) -i openid.stackexchange.com | |
| acl is_80 dst_port 80 | |
| acl is_ssl hdr_beg(X-SSL) -i yes | |
| acl is_chat_yodeya hdr(host) -i chat.yodeya.com chat.miyodeya.com | |
| acl is_bam_yodeya hdr(host) -i bam.yodeya.com bam.miyodeya.com | |
| acl is_launchparty_yodeya hdr(host) -i launchparty.yodeya.com launchparty.miyodeya.com | |
| acl is_me_yodeya hdr(host) -i me.yodeya.com me.miyodeya.com | |
| acl is_kindle hdr_sub(user-agent) Silk-Accelerated | |
| acl is_akamai hdr(host) -i sstatic-a.akamaihd.net | |
| redirect prefix http://chat.stackexchange.com/rooms/468 code 301 if is_chat_yodeya | |
| redirect prefix http://chat.stackexchange.com/rooms/468 code 301 if is_bam_yodeya | |
| redirect prefix http://meta.judaism.stackexchange.com/questions/1134 code 301 if is_launchparty_yodeya | |
| redirect prefix http://judaism.stackexchange.com code 301 if is_me_yodeya | |
| redirect prefix https://openid.stackexchange.com code 301 if is_80 is_openid !is_ssl | |
| tcp-request connection track-sc1 src if !source_is_abuser | |
| use_backend be_internal_api if is_internal_api !is_careers | |
| use_backend be_api_1.1 if is_api is_api_1.0 | |
| use_backend be_api_1.1 if is_api is_api_1.1 | |
| use_backend be_api if is_api_2 | |
| use_backend be_api_1.1 if is_api is_api_static | |
| use_backend be_api_1.1 if is_api is_api_root | |
| use_backend be_bad_api if is_api | |
| use_backend be_sstatic if is_sstatic | |
| use_backend be_sstatic if is_akamai | |
| use_backend be_mobile if is_mobile | |
| use_backend be_area51_stackexchange_com if is_area51 | |
| use_backend be_area51_stackexchange_com if is_stackexchange_com | |
| use_backend be_meta_so if is_meta_so | |
| use_backend be_careers if is_careers | |
| use_backend be_so_crawler if is_so is_crawler | |
| use_backend be_so_crawler if is_so is_crawler_ua | |
| use_backend be_so if is_so | |
| use_backend be_stackauth if is_stackauth | |
| use_backend be_openid if is_openid | |
| default_backend be_others | |
| backend be_api_only | |
| mode http | |
| errorfile 503 /etc/haproxy-shared/errors/503apionly.http | |
| backend be_bad_api | |
| mode http | |
| errorfile 403 /etc/haproxy-shared/errors/403.http | |
| backend be_go-away | |
| mode http | |
| errorfile 503 /etc/haproxy-shared/errors/503rate.http | |
| backend be_no_ssl | |
| mode http | |
| errorfile 503 /etc/haproxy-shared/errors/503nossl.http | |
| listen t1_internal_stats | |
| bind 203.0.113.15:7001 | |
| mode http | |
| balance roundrobin | |
| stats enable | |
| stats uri /ilovestats | |
| acl AUTH http_auth(stats-auth) | |
| acl AUTH_ADMIN http_auth_group(stats-auth) admin | |
| stats http-request auth unless AUTH | |
| stats admin if AUTH_ADMIN |
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