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damnyou

Active Member
348
2011
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Right now my server is experiencing a high memory usage and no website is opening. The kloxo page is showing 500 - Internal Server error

The website was working fine few mins back.

Is it some kind of ddos?

[slide]http://i.imgur.com/KtBQw.png[/slide]
 
9 comments
Yes, it was ddos specifically targeted to bring down the httpd(apache) process. Changed it to lighty for the time being.
 
You can use the following command to identify the network of IPs which caused the problem.
nestat -plan | grep 80 | awk {'print $5'} | cut -d: -f1 | sort | uniq -c | sort -n
 
jibinthomas said:
You can use the following command to identify the network of IPs which caused the problem.
nestat -plan | grep 80 | awk {'print $5'} | cut -d: -f1 | sort | uniq -c | sort -n
Click to expand...
Thanks for the command. There were around 2k ips attacking the server and those who think cloudflare can protect their sites should reconsider their statements 8-)
 
@ DJboutit
No, no torrent or rapidleech scripts. Only vbulletin script. As mentioned earlier, it was a http flood on the webpage which sucked 8 gb of server's bandwidth within few mins. Now running the site on the lighthttpd server. I'll look for some good ddos protection. Crazy competitors oh well....
 
yes
register with www.cloudflare.com and prevent all the ddos attacks

features of cloudflare
save bandwidth :)
hide ur hosting provider's details
reduce number of requests
minify java scripts and css
prevent DDOs attacks
make ur site faaaaast!!
 
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