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Solaris

Finding port number !!

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Operating Systems Solaris Finding port number !!
# 1  
Old 10-03-2008
Finding port number !!
Hi all ,

I want know the port no on which a particular application is running.

How to find that?

Thanks in anticipation
# 2  
Old 10-03-2008
If you have lsof, that is often a good tool for this.
# 3  
Old 10-03-2008
Try using lsof. lsof -i | grep -i listen should get what you're looking for. You may also grep for a pid or port number too if you're looking for something specific.
What does port number [whatever] mean?
# 4  
Old 10-03-2008
I tried location the same in different post and got couple of answer also as user
Quote:
# lsof

1. I am using Solaris 10 - Solaris 10 5/08 s10s_u5wos_10 SPARC
2. i am unable to get the above command

Quote:
# netstat –a
I did tried and got the output, now I am confused . While executing

Quote:
#netstat –a |grep telnet
I got below as output

Quote:
*.telnet *.* 0 0 49152 0 LISTEN
172.24.1.168.telnet 10.10.108.169.1499 63310 1 49640 0 ESTABLISHED
*.telnet *.* 0 0 49152 0 LISTEN
Which is port number in above ?
# 5  
Old 10-03-2008
Thanks Guys

I do not have lsof , is this is a part of some add on package ?
# 6  
Old 10-03-2008
Actually ".telnet" is the "port number". You can look up the numeric port number in /etc/services

LISTEN is the server which is running all the time and accepting incoming connections.
# 7  
Old 10-03-2008
Thanks era,

Please tell me what is the difference between /etc/services port number and the one I am getting through nestata –a

Quote:
#grep telnet /etc/services
telnet 23/tcp
and

Quote:
# netstat -a|grep telnet
*.telnet *.* 0 0 49152 0 LISTEN
172.24.1.168.telnet 10.10.108.169.1499 63211 1 49640 0 ESTABLISHED
*.telnet *.* 0 0 49152 0 LISTEN
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