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The time now is 23.04.2024 - 20:09


DoS utok postfix

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alwarez
Post subject: DoS utok postfix  PostPosted: 05.03.2008 - 11:00 #62470
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Joined: Máj 22, 2005
Posts: 477
Location: Michalovce
ake ochrany pouzivate proti dosovaniu postfixu? vcera som mal vo fronte par stotisic mailov a nabuduce by som sa tomu rad vyhol.
 
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fixi
Post subject: RE: DoS utok postfix  PostPosted: 05.03.2008 - 13:31 #62474
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Joined: Sep 13, 2005
Posts: 267
Location: Bratislava
napriklad:
Code: ›
iptables -N check
iptables -A check -m recent --set --name ddos --rsource -j ACCEPT
iptables -A check -j vipip #whitelisted IP
iptables -A check -m recent --update --seconds 60 --hitcount 20 --rttl --name ddos --rsource -m limit --limit 5/sec -j ULOG --ulog-prefix "DDoS"
iptables -A check -m recent --update --seconds 60 --hitcount 20 --rttl --name ddos --rsource -j DROP
iptables -A check -m recent --set --name ddos --rsource -j ACCEPT

iptables -I INPUT -i eth0 -p tcp --dport 25 -m state --state NEW -j check


snd som sa nikde nesekol
 
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