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How to setup cPanel with GRE tunnel ?

Discussion in 'Security' started by crossing, Feb 16, 2016.

  1. crossing

    crossing Active Member

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    Hello,

    I need to protect my WHM Cpanel VPS against DDoS using nearby DDoS protected VPS. Anyone can guide me step by step how to achive that ?

    I have tried this but failed:

    On protected VPS:

    echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf
    sysctl -p
    iptunnel add gre1 mode gre local YOUR_FILTERED_IP remote DESTINATION_SERVER_IP ttl 255
    ip addr add 192.168.168.1/30 dev gre1
    ip link set gre1 up


    On the remote server I wish to protect:

    iptunnel add gre1 mode gre local DESTINATION_SERVER_IP remote YOUR_FILTERED_IP ttl 255
    ip addr add 192.168.168.2/30 dev gre1
    ip link set gre1 up



    Thank you..
     
    #1 crossing, Feb 16, 2016
  2. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

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    Hello :)

    This is a custom network configuration, and there's no native options in cPanel that will automatically configure/enable this setup. However, searching for a term such as "cPanel GRE Tunnel" on Google yields several results. Feel free to let us know if you encounter any issues with cPanel after configuring this.

    Thank you.
     
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    #2 cPanelMichael, Feb 16, 2016
  3. crossing

    crossing Active Member

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    Hello,

    Its done but after server reboot all settings are lost. Where should I add this commands to be run it on reboot ?

    iptunnel add gre1 mode gre local DESTINATION_SERVER_IP remote YOUR_FILTERED_IP ttl 255
    ip addr add 192.168.168.2/30 dev gre1
    ip link set gre1 up

    ip rule add from 192.168.168.0/30 table DDoS
    ip route add default via 192.168.168.1 table DDoS
     
    #3 crossing, Feb 17, 2016
  4. cPanelMichael

    cPanelMichael Technical Support Community Manager Staff Member

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    #4 cPanelMichael, Feb 18, 2016
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