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Old 07-13-2007, 10:06 PM   #1
veeruk101
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How to view ports in use


I've got a DNS server running on port 53 (as indicated by a successful "telnet mynameserver 53" from a client machine), and I'd like to confirm through the netstat or another command that port 53 is being used, and by the "named" process.

My initial guess was to do a "netstat | grep 53", but that clearly isn't correct. Do you know what command I could use, if any exists, to accomplish this?

Thanks.
 
Old 07-13-2007, 10:40 PM   #2
{BBI}Nexus{BBI}
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Try this: netstat -atu Type: man netstat to get a list of switches.

Last edited by {BBI}Nexus{BBI}; 07-13-2007 at 10:47 PM.
 
Old 07-13-2007, 11:14 PM   #3
prasanta
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Quote:
like to confirm through the netstat or another command that port 53 is being used, and by the "named" process.

You can try with
Code:
nmap localhost
This will list all the open ports in your mcahine.

--
Prasanta
 
  


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