Re: task and port number?

["Jarod Wilson" <user=74@nabble.blu.org>]

 On Tuesday 18 December 2007 03:40:13 pm Scott Ehrlich wrote: 
> On a Linux system, if a program claims that a port is in use (say I want 
> to install a web server on port 80, but the web server claims port 80 is 
> already in use, and a ps auwx doesn't show/claim a web server is running), 
> is there a program that can tell me what application is using the port? 
> 
> Yes, nmap will show ports, but the apps it shows are part of its own 
> built-in database or /etc/services, so the app report isn't accurate. 
> 
> netstat -a will show apps and their PIDs, then later what ports are open, 
> but no direct port <-> app mapping. 
> 
> Maybe there is a compilation of ssh server designed to listen on port 
> 65530, and the daemon name is something I wouldn't expect, or it is 
> invoked by some other application. 
> 
> What tool can I use for real-time port <-> app mapping?