[CentOS] Crashing Nameservers
Jim Perrin
jperrin at gmail.comSat Dec 31 01:22:28 UTC 2005
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> Seems I'm experiencing a DoS against vsftp login. Anybody got a good way > to limit the number of failed login attempts by one IP address? > While it's not specific against the one ip address, you can use the --limit option of iptables to restrict ftp connection attempts to a max set rate. For example: --limit 5/minute would slow things down considerably. There's also --limit-burst and a couple other options that would help out. -- Jim Perrin System Architect - UIT Ft Gordon & US Army Signal Center
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