总结

IPTables Example Config

http://networking.ringofsaturn.com/Unix/iptables.php

http://www.linuxsir.org/bbs/showthread.php?t=170046&highlight=iptables+ssh

http://www.linuxsir.org/bbs/thread184634.html

 

/* 只允许ssh登录*/

加上两条规则就行了。

iptables –P INPUT DROP
iptables -A INPUT –p tcp --dport 22 –j ACCEPT
iptables -A OUTPUT –p tcp --sport 22 –j ACCEPT

 

/*防止你的ssh被暴破*/

http://blog.chinaunix.net/u/17549/showart_1877901.html

黑客恶意SSH远程登陆之经典分析

http://songxiangyi222.blog.163.com/blog/static/2422602720077247528612/

 

/*VOIP 封杀与反封杀*/

http://www.china-sip.com/Support/Block&anti-block.htm

 

/*配置和管理iptables*/

http://www.xxlinux.com/linux/article/network/security/20060908/4092_2.html

 

/*RedHat Linux系统常见的日志文件和常用命令*/

http://www.duba.net/c/2004/11/24/153510.shtml

http://www.jb51.net/os/RedHat/1152.html

 

/*

A2Billing 安装中文详解(图文)

*/

http://www.cnasterisk.com/redirect.php?tid=19&goto=lastpost