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Hello, I have been running my website on a dedicated server for around 3 years now with Fasthosts. Everything had been running fine until recently and I believe that the ...
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  1. #1
    Just Joined!
    Join Date
    Dec 2009
    Posts
    1

    CentOS 5 Server - Keeps going offline


    Hello,

    I have been running my website on a dedicated server for around 3 years now with Fasthosts.

    Everything had been running fine until recently and I believe that the server is now being attacked.

    I am unsure on how to check why the server is going down, although I have had the server for so long I am still new to Linux and whenever I need to change some sort of setting Google has always been my answer.

    So could someone please help me find out what is going wrong and how to rectify it?

    I would also like to be able to get it so that if the server itself or any of the services on it could start themselves back up if they where ever to go offline in the future aswell if possible.

    Thanks.

  2. #2
    Banned
    Join Date
    Feb 2010
    Posts
    31

    Many possible solutions

    You can look into these for security and automatic blocking (there are many others)
    snort
    fail2ban
    pam_abl
    rkhunter

    As far as re-starting, I rolled my own program for that, but I understand nagios can do it.

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