DoS Attack

Discussion in 'General' started by alexillsley, Mar 27, 2007.

  1. alexillsley

    alexillsley ISPConfig Developer ISPConfig Developer

    Hi,
    My server has appeared to of been DoS attacked
    Code:
    2007 Mar 27 17:47:00 
    
    *******-> "System running out of memory. Availability of the system is in risk." 
    
    Mar 27 17:46:46 server1 kernel: Out of Memory: Kill process 911 (httpd2-prefork) score 15426 and children. 
    
    
    2007 Mar 27 17:47:01 
    
    ******** -> "System running out of memory. Availability of the system is in risk." 
    
    Mar 27 17:46:46 server1 kernel: Out of memory: Killed process 911 (httpd2-prefork). 
    
    . 
    
    2007 Mar 27 17:47:02 
    
    ********-> "System running out of memory. Availability of the system is in risk." 
    
    Mar 27 17:47:00 server1 kernel: Out of Memory: Kill process 1477 (httpd2-prefork) score 15426 and children. 
    
    
    ********** -> "System running out of memory. Availability of the system is in risk." 
    
    Mar 27 17:47:00 server1 kernel: Out of memory: Killed process 1477 (httpd2-prefork).
    Is there anyway to stop this? e.g block someone after X requests in a minute

    Thanks,
    Alex
     
  2. alexillsley

    alexillsley ISPConfig Developer ISPConfig Developer

    Hello,
    I found the answer to my problem :) the apache module: mod_dosevasive

    However im having problems installing it, any idea whats wrong:

    This is some of the instructions:
    However $APACHE_ROOT/bin/apxs -i -a -c mod_evasive20.c doesnt excute i just get the error -bash: /bin/apxs: No such file or directory


    Any ideas?
    Thanks,
    Alex
     
  3. Leszek

    Leszek New Member

    Last edited: Mar 28, 2007
  4. alexillsley

    alexillsley ISPConfig Developer ISPConfig Developer

    Thanks, but i really want to install this apache patch it looks like it would be very effective, just need help installing it
     

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