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Old 07-30-2007, 12:28 AM   #1
linuxjamil
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Registered: Dec 2005
Distribution: Fedora Core 5, Sun Solaris 8
Posts: 122

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Smile telnet


Dear All

Just I want to share with this silly knowledge that telnet service is default on or not in linux.

As far as I know telnet service is default off.


Plz response with this information.
 
Old 07-30-2007, 01:23 AM   #2
Wim Sturkenboom
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Registered: Jan 2005
Location: Roodepoort, South Africa
Distribution: Slackware 10.1/10.2/12, Ubuntu 12.04, Crunchbang Statler
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90% sure that it was off on my Slackware server after install (100% sure that it's off now).
And my Ubuntu 6.06 does not have a telnet server installed by default, so that's off as well.

But it might depend on your distro and I suggest that you check using netstat -a
Code:
root@btd-techweb01:~# netstat -a
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 *:time                  *:*                     LISTEN
tcp        0      0 *:3306                  *:*                     LISTEN
tcp        0      0 *:submission            *:*                     LISTEN
tcp        0      0 localhost:http          *:*                     LISTEN
tcp        0      0 *:auth                  *:*                     LISTEN
tcp        0      0 *:ftp                   *:*                     LISTEN
tcp        0      0 *:ssh                   *:*                     LISTEN
tcp        0      0 *:telnet                *:*                     LISTEN
tcp        0      0 *:smtp                  *:*                     LISTEN
tcp        0      0 *:https                 *:*                     LISTEN
tcp        0    232 btd-techweb01.mca.n:ssh 03rnbw-ixjshh:iclpv-nlc ESTABLISHED
udp        0      0 *:biff                  *:*
udp        0      0 *:time                  *:*
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags       Type       State         I-Node Path
unix  5      [ ]         DGRAM                    72     /dev/log
unix  2      [ ACC ]     STREAM     LISTENING     2149   /var/run/mysql/mysql.sock
unix  2      [ ACC ]     STREAM     LISTENING     2177   /dev/gpmctl
unix  2      [ ]         DGRAM                    144    @udevd
unix  3      [ ]         STREAM     CONNECTED     63481
unix  3      [ ]         STREAM     CONNECTED     63480
unix  2      [ ]         DGRAM                    2119
unix  2      [ ]         DGRAM                    2115
unix  2      [ ]         DGRAM                    75
If you don't see the highlighted line, the telnet server is not running.
 
  


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