How to use Haproxy for port forwarding

First install HAProxy


Yum install haproxy -y


Debian use

Vi /etc/apt/sources.list

Add the following content

Deb wheezy-backports main


Apt-get update apt-get install haproxy

Next set the configuration file

Vi /etc/haproxy/haproxy.cfg


After clearing the configuration file, enter the following content

        Ulimit-n 51200

        Log global
        Mode tcp
        Option dontlognull
        Timeout connect 1000
        Timeout client 150000
        Timeout server 150000

Frontend ss-in
        Bind *:8388
        Default_backend ss-out

Backend ss-out
        Server server1 VPS_IP:8388 maxconn 20480

If you need multiple server polling, you can build more server polls in the backend.


Run Haproxy

Haproxy -f /etc/haproxy/haproxy.cfg
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