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-1.1.28 or haproxy-1.2.1

global

        log 127.0.0.1   local0

        log 127.0.0.1   local1 notice

        #log loghost    local0 info

        maxconn 4096

        chroot /usr/share/haproxy

        uid 99

        gid 99

        daemon

        #debug

        #quiet

defaults

        log     global

        mode    http

        option  httplog

        option  dontlognull

        retries 3

        redispatch

        maxconn 2000

        contimeout      5000

        clitimeout      50000

        srvtimeout      50000

listen  appli1-rewrite 0.0.0.0:10001

        cookie  SERVERID rewrite

        balance roundrobin

        server  app1_1 192.168.34.23:8080 cookie app1inst1 check inter 2000 rise 2 fall 5

        server  app1_2 192.168.34.32:8080 cookie app1inst2 check inter 2000 rise 2 fall 5

        server  app1_3 192.168.34.27:8080 cookie app1inst3 check inter 2000 rise 2 fall 5

        server  app1_4 192.168.34.42:8080 cookie app1inst4 check inter 2000 rise 2 fall 5

listen  appli2-insert 0.0.0.0:10002

        option  httpchk

        balance roundrobin

        cookie  SERVERID insert indirect nocache

        server  inst1 192.168.114.56:80 cookie server01 check inter 2000 fall 3

        server  inst2 192.168.114.56:81 cookie server02 check inter 2000 fall 3

        capture cookie vgnvisitor= len 32

        option  httpclose               # disable keep-alive

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

listen  appli3-relais 0.0.0.0:10003

        dispatch 192.168.135.17:80

listen  appli4-backup 0.0.0.0:10004

        option  httpchk /index.html

        option  persist

        balance roundrobin

        server  inst1 192.168.114.56:80 check inter 2000 fall 3

        server  inst2 192.168.114.56:81 check inter 2000 fall 3 backup

listen  ssl-relay 0.0.0.0:8443

        option  ssl-hello-chk

        balance source

        server  inst1 192.168.110.56:443 check inter 2000 fall 3

        server  inst2 192.168.110.57:443 check inter 2000 fall 3

        server  back1 192.168.120.58:443 backup

listen  appli5-backup 0.0.0.0:10005

        option  httpchk *

        balance roundrobin

        cookie  SERVERID insert indirect nocache

        server  inst1 192.168.114.56:80 cookie server01 check inter 2000 fall 3

        server  inst2 192.168.114.56:81 cookie server02 check inter 2000 fall 3

        server  inst3 192.168.114.57:80 backup check inter 2000 fall 3

        capture cookie ASPSESSION len 32

        srvtimeout      20000

        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        502     http://192.168.114.58/error502.html

        errorfile       503     /etc/haproxy/errors/503.http