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bld
l33t
Joined: 26 Mar 2003
Posts: 759
Location: Outter Space
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 Posted: Fri Mar 05, 2004 2:07 pm Post subject: X server no listen |
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Kalhmera
Exw ena provlima me ton X server. Apo tote pou evala to "xdm" sto startup gia na beno kateuthian se grafiko perivalwn (kdm), paratiro oti to port 6000 einai anixto. Akolouthisa to "securigy guide" tou gentoo:
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oxygen /root# cat /etc/X11/xdm/Xservers|grep -v #
:0 local /usr/X11R6/bin/X -nolisten tcp
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Alla kai pali otan jekinaei o X server, to port 6000 einai anixto. Jerei kaneis pou borei na exw kanei lathos?
Sto /etc/rc.conf exw kanei uncomment mono to:
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DISPLAYMANAGER="kdm"
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alla an kanw ena scan sto internal ip mou:
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oxygen /root# nmap -sS xxx.xxx.xxx.xxx
Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2004-03-05 15:09 UTC
Interesting ports on localhost (xxx.xxx.xxx.xxx):
(The 1656 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
6000/tcp open X11
Nmap run completed -- 1 IP address (1 host up) scanned in 2.947 seconds
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thnx
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Deathwing00
Bodhisattva
Joined: 13 Jun 2003
Posts: 4087
Location: Dresden, Germany
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| Posted: Sun Mar 07, 2004 12:34 am Post subject: |
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| Ma egw den vlepw tipota lathos... afti einai i kanoniki simperifora: gi'afto onomazete X server. To socket einai ipoxreotiko TCP, apla ama pernas to parameter -nolisten tcp, ama den kanw lathos, apo to localhost panta tha mporeis na sindetheis, ala oxi apo ali mixani... prospathise na sou kanei kapios alos ena scan gia na diaveveoseis ama doulevei sosta i oxi. |
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bld
l33t
Joined: 26 Mar 2003
Posts: 759
Location: Outter Space
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| Posted: Tue Mar 16, 2004 4:08 pm Post subject: |
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| Deathwing00 wrote: | | Ma egw den vlepw tipota lathos... afti einai i kanoniki simperifora: gi'afto onomazete X server. To socket einai ipoxreotiko TCP, apla ama pernas to parameter -nolisten tcp, ama den kanw lathos, apo to localhost panta tha mporeis na sindetheis, ala oxi apo ali mixani... prospathise na sou kanei kapios alos ena scan gia na diaveveoseis ama doulevei sosta i oxi. |
to scan ginete se internal ip, opote ta paketa pernane apo to gateway kai sto antistixo ip, den ginete sto localhost aka 127.0.0.1.
Egw exw anixto kai postfix localy, giati den to vlepeis? 
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[12:56:21 ~ ]> nmap -sT 127.0.0.1
Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2004-03-16 17:08 UTC
Interesting ports on oxygen.insaneminds.biz (127.0.0.1):
(The 1655 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
25/tcp open smtp
6000/tcp open X11
Nmap run completed -- 1 IP address (1 host up) scanned in 0.449 seconds
[17:08:40 ~ ]> nmap -sT xxx.xxx.xxx.xxx
Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2004-03-16 17:08 UTC
Interesting ports on localhost (1.114.242.106):
(The 1656 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
21/tcp open ftp
22/tcp open ssh
6000/tcp open X11
Nmap run completed -- 1 IP address (1 host up) scanned in 0.372 seconds
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Kanontas traceroute sto internal ip perasa apo 5 hops. Opote den einai to idio. Ki epita auto to provilma to exw apo tote pou evala "kde" me to fluxbox den to eixa kathos to option no listen eftane.. edw malwn prepei na peraso kai mia akoma parametro.. kapou allou.
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