blocking all trafic exapt selcter ports

Kashif Ali Bukhari kbukhari at gmail.com
Sat Apr 23 10:47:26 CEST 2005


i want to block all inbod access to my linux box and want to allow
dns, http proxy,ssh,telnet,and ftp 
how can i do this 

-- 
Syed Kashif Ali Bukhari
Network Associate Asia Net
Cell :- +92-300-4018407 , +92-300-4295604
Ph +92-42-111-111-202 Fax +92-42-5840905
MSN:- kbukhari at msn.com ; kashif.bukhari at asia.net.pk
http://asia.net.pk , http://asiatec.biz



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