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標題: Stop ssh brute force attack using SuSEfirewall [打印本頁]
作者: fuleru    時間: 2009-08-03 22:28
標題: Stop ssh brute force attack using SuSEfirewall

Monday, June 22nd, 2009 by
Jigish Gohil

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Edit /etc/sysconfig/SuSEfirewall2:
#do not open ssh ports here
FW_SERVICES_EXT_TCP=""
FW_CONFIGURATIONS_EXT=""
#add this rule
FW_SERVICES_ACCEPT_EXT="0.0.0.0/0,tcp,22,,hitcount=3,blockseconds=60,recentname=ssh"
#Restart firewall:
rcSuSEfirewall2 restart
Now attacker will just have three attempts to break in.
This entry is filed under
[url=http://lizards.opensuse.org/category/security/]Security
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本文來自ChinaUnix博客，如果查看原文請點：http://blog.chinaunix.net/u1/47765/showart_2016675.html



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