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Thread: How to stop dos and ddos attack on web servers

  1. #1
    Join Date
    Jan 2009
    Posts
    40

    How to stop dos and ddos attack on web servers

    Hi,
    I am going to set a new server on freebsd. Can anyone help me to prevent or stop the dos or ddos attacks on web servers?

    Any help will be appreciated.

  2. #2
    Join Date
    Apr 2008
    Posts
    3,425

    Re: How to stop dos and ddos attack on web servers

    There are no short-term solutions to eliminate DDoS attacks. All systems have their limits. One way to make a system more survivable is to increase these limits; the more resources there are, the better the chances are that the system will survive an increased demand for use. For a web service, the webmaster might increase the number of connections that a web service can accept. This spreads the increased load over more computers and helps to ensure that no one computer operates too near its limit.

  3. #3
    Join Date
    May 2008
    Posts
    3,518

    Re: How to stop dos and ddos attack on web servers

    You can stop DDoS attack from php by following steps:
    • Open php.ini
    • Find safe_mode = off and change it to safe_mode = on
    • Then fine safe_mode_gid = off and change it to safe_mode = on
    • Restart your webserver

  4. #4
    Join Date
    Apr 2008
    Posts
    3,341

    Re: How to stop dos and ddos attack on web servers

    A denial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack) is an attempt to make a computer resource unavailable to its intended users. You can check this thread for prevention: What is DDoS attack?

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