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linux_tips [2016/03/06 19:00]
sgripon [Ban a IP adress using IPTables]
linux_tips [2016/04/16 11:06] (current)
sgripon
Line 24: Line 24:
   ldconfig   ldconfig
  
-===== Use IPTables to prevent DOS attack ===== 
- 
-Source: http://​blog.bodhizazen.net/​linux/​prevent-dos-with-iptables/​ 
- 
-==== First rule : Limit NEW traffic on port 80 and 443 ==== 
- 
-  sudo iptables -A INPUT -p tcp --dport 80 -m state --state NEW -m limit --limit 50/minute --limit-burst 200 -j ACCEPT 
- 
-  sudo iptables -A INPUT -p tcp --dport 443 -m state --state NEW -m limit --limit 50/minute --limit-burst 200 -j ACCEPT 
- 
-===== Ban a IP adress using IPTables ===== 
- 
-  iptables -A INPUT -s XXX.XXX.XXX.XXX -j DROP 
- 
-To get the list of blocked IP: 
- 
-  iptables -L INPUT -v -n 
 ===== Launch a command a startup ===== ===== Launch a command a startup =====
  
linux_tips.1457287239.txt.gz ยท Last modified: 2016/03/06 19:00 by sgripon