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Old 03-03-2004, 03:08 AM   #1
gmarais
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Question /etc/services description


where can i find a detailed description on the /etc/services file ? I have services open like 'submission - running on port 587' and i need to know what the service actually does.

thanx.
 
Old 03-03-2004, 03:30 AM   #2
druuna
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Take a look at these URL's:

http://www.sockets.com/services.htm
http://www.iana.org/numbers.html

Using your fav searchengine will give you more hits...........
 
Old 03-03-2004, 03:44 AM   #3
gmarais
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thanx

thanx for the reply. i am running slackware 9.1 and when i do a nmap on 127.0.0.1 - i see a service listed as:-

587/tcp open submission

now, i don't see those ports on the websites mentioned. does this means that it is a Slacware-specific service/port ?
 
Old 03-03-2004, 04:05 AM   #4
druuna
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It's not Slack specific (am seeing it here on my non-slack boxes too).

You could try (as root):

$ fuser 587/tcp

If some progrom is actually using it the PID will be shown, from there you can find out which program.

I'm not entirely sure, but sendmail comes to mind.
 
Old 03-03-2004, 04:10 AM   #5
gmarais
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Smile ::)

yip, you're right. sendmail actually uses it. thanx for all the help !


Regards.
 
  


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