haproxy笔记之一:Haproxy基本安装配置(反向代理,类似Nginx,可以代理tcp的连接,不只是http)(注意iptables和selinux的问题)

1.安装haproxy

yum -y install haproxy

2.配置文件

# this config needs haproxy-1.1. or haproxy-1.2.

global

        log 127.0.0.1   local0

        log 127.0.0.1   local1 notice

        #log loghost    local0 info

        maxconn 

        chroot /usr/share/haproxy

        uid 

        gid 

        daemon

        #debug

        #quiet

defaults

        log     global

        mode    http

        option  httplog

        option  dontlognull

        retries 

        redispatch

        maxconn 

        contimeout      

        clitimeout      

        srvtimeout      

listen  appli1-rewrite 0.0.0.0:

        cookie  SERVERID rewrite

        balance roundrobin

        server  app1_1 192.168.34.23: cookie app1inst1 check inter  rise  fall 

        server  app1_2 192.168.34.32: cookie app1inst2 check inter  rise  fall 

        server  app1_3 192.168.34.27: cookie app1inst3 check inter  rise  fall 

        server  app1_4 192.168.34.42: cookie app1inst4 check inter  rise  fall 

listen  appli2-insert 0.0.0.0:

        option  httpchk

        balance roundrobin

        cookie  SERVERID insert indirect nocache

        server  inst1 192.168.114.56: cookie server01 check inter  fall 

        server  inst2 192.168.114.56: cookie server02 check inter  fall 

        capture cookie vgnvisitor= len 

        option  httpclose               # disable keep-alive

        rspidel ^Set-cookie:\ IP=       # do not let this cookie tell our internal IP address

listen  appli3-relais 0.0.0.0:

        dispatch 192.168.135.17:

listen  appli4-backup 0.0.0.0:

        option  httpchk /index.html

        option  persist

        balance roundrobin

        server  inst1 192.168.114.56: check inter  fall 

        server  inst2 192.168.114.56: check inter  fall  backup

listen  ssl-relay 0.0.0.0:

        option  ssl-hello-chk

        balance source

        server  inst1 192.168.110.56: check inter  fall 

        server  inst2 192.168.110.57: check inter  fall 

        server  back1 192.168.120.58: backup

listen  appli5-backup 0.0.0.0:

        option  httpchk *

        balance roundrobin

        cookie  SERVERID insert indirect nocache

        server  inst1 192.168.114.56: cookie server01 check inter  fall 

        server  inst2 192.168.114.56: cookie server02 check inter  fall 

        server  inst3 192.168.114.57: backup check inter  fall 

        capture cookie ASPSESSION len 

        srvtimeout      

        option  httpclose               # disable keep-alive

        option  checkcache              # block response if set-cookie & cacheable

        rspidel ^Set-cookie:\ IP=       # do not let this cookie tell our internal IP address

        errorloc             http://192.168.114.58/error502.html

        errorfile            /etc/haproxy/errors/.http
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