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reverse DNS file behind firewall

Discussion in 'Plesk 9.x for Linux Issues, Fixes, How-To' started by freeshar, Sep 29, 2009.

  1. freeshar

    freeshar New Pleskian

    Dec 16, 2004
    Likes Received:

    I host my server behind a firewall.
    Server has the ip

    DNS has config files for every domain in:
    /var/named/run-root/var/ directory.

    I changed in every file that matches domain name the local ip address to that external which is seen from the web.

    It works well, although every time I update Plesk or Bind I have to go those files and fix them again: change local ip there to that external.

    My question is: I have one more file there so called reverse DNS one...
    It has name like 1.168.192.in-addr.arpa


    Actually it does not affect my sites directly, but when I browsed web reading about reverse DNS functionality it stand in many place that it is good for security, spam protection and so on.

    This 1.168.192.in-addr.arpa file has no records to any domain I host and reflects the whole server.

    Have I leave as it is or it better to the name that reflects the external IP?

    I do not want to try before I know because every DNS issue causes significant problems - full recovering takes up to 24 hours and even more time... I mean to restore full traffic