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  1. #1
    Join Date
    May 2009

    Bot Attack, how to protect server

    Guys, i want some suggestions on how to protect an linux dedicated server from bot attack. Im using linux server with cPanel, using CSF firewall + DOS Deflate.

    It would be great to have your opinions and experience.
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  2. #2
    Join Date
    Apr 2005
    If you are referring to the search engine spiders, the robots.txt will help you
    Sam - Expertise in Windows/Linux server support, IaaS and PaaS Management - Custom Software Development
    Email: exec @ | Skype: unni_active

  3. #3
    Put /tmp partition as a seperate partition and mount it as noexec, nosuid. Make sure that your programs php/httpd uses the /tmp for the temporary files, cache and session info. This simple steps stop 80% of attack on the server.
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  4. #4
    Join Date
    Oct 2004
    Are you talking about a BOTNET attack/DDOS?

    Or search engine bots. - Hot Deals & Coupon Codes. Why Pay Retail?

  5. #5
    Join Date
    May 2006
    Obviously he is talking about ddos attack. Im still trying to figure out how reply #2 is relavent. But anyway, using csf and ddos deflate together is not a good idea. Only use CSF with connection tracking set to a reasonable level. Adjust your web server to optimal settings - there are tons of guides and configuration suggestions on the net for this.

    Personally I think as far as dealing with ddos on the server level there is no better option then litespeed web server, CSF with connection tracking, optimal tcp stack settings and various other scripts made to work with CSF, look around.

    Then it comes down to how big your pipe is, how much bandwidth you are getting through it and how much resources you have on your server.

  6. #6
    I think CSF + dosevasive + modsecurity should be enough to protect your server
    just use the CSF server security check and some fresh modsecurity rules pack
    I am using gotroot

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