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Monitoring traffic on linux router for syn-flood

We have a linux server (Debian-Lenny) with solid-state drive, without hard disk classic. He's use as a router, so traffic is only for forward. We want to monitor connexions in able to find some syn-...
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2answers
414 views

Finding Evidence of a Denial of Service Attack (Linux)

We had a Gentoo Linux server (that was updated weekly or bi weekly) that higher ups claimed did a denial of service attack on the whole local network and brought it down. Are there any log files we ...
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4answers
2k views

How to avoid floods like this?

Instead of describing what's happening I'll post a screenshot of Apache's server-status page: Screenshot It is a Nigerian IP. I'm having this problem for years now and I never found a viable ...
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4answers
4k views

How to protect Lighttpd from DOS attacks and flooding? [duplicate]

I have a problem with Lighttpd because someone started to use some Web downloader from very good connection and it blocked my whole website. Is there any way to protect Lighttpd from DDOS attacks and ...