Close Port 6000

Posted 09 July 2010 | BSD,Linux

important!
it’s x11 service

$ netstat -na | grep LIST
tcp4 0 0 *.6000 *.* LISTEN
tcp6 0 0 *.6000 *.* LISTEN

solve with

#startx — -nolisten tcp

or

edit etc/X11/xinit/xserverrc
add :
#!/bin/sh exec /usr/bin/X -nolisten tcp

use runlevel 4? xdm,gdm or kdm?
etc/X11/xdm/Xservers
/usr/bin/X11/startx -nolisten tcp

and replace
:0 local /usr/X11R6/bin/X
with
:0 local /usr/X11R6/bin/X -nolisten tcp

or using iptables

#iptables -A INPUT -p tcp --dport 6000 -j DROP

or

edit /usr/X11R6/bin/startx Find the serverargs line

serverargs="-nolisten tcp"

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Posted by sugi on 10 July 10 at 8:35am

cool. ya cara yg cukup bagus untuk menutup port 6000
secara terbuka pun port itu cukup aman dibuka di linux.
walaupun hacker yg mumpuni masih bisa masuk, tapi port itu aman dari serangan virus.
selamat belajar slackware. saya juga belajar dari anda.

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Posted by k3m4n9i on 10 July 10 at 11:25am

sayangnya itu tcp sob
bisa d ddos

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Posted by k3m4n9i on 25 July 10 at 10:28am

thx for advice

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