Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 3495/sshd
Drop the 'n' and one gest a * instead of '0.0.0.0':
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 *:ssh *:* LISTEN 3495/sshd
Now a 0 in an IP address is a referece to a network but what does it mean when netstat returns something like this? Is it listening in general to anyone or is it just reffering to the local machine? Another possibility I can think of is that it is listening but can't hear anything.
So far I've looked in the man pages, OReilly's Essential System Administration and a few others which don't even list netstat, like Sobell's Unix System V; A Practical Guide.
The dumb part is that this has got to be something simple. Perhaps, when I have the funds, I should invest in a book specifically on TCP/IP that covers netstat in detail.
Jim C.
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