[BBLISA] task and port number?
John Orthoefer
jco at direwolf.com
Tue Dec 18 15:51:33 EST 2007
lsof will do it
[jco at XXXX keys]$ sudo /usr/sbin/lsof -i TCP:http
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
...
httpd 22579 root 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22582 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22583 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22584 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22585 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22586 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22587 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22588 apache 4u IPv6 3172305 TCP *:http (LISTEN)
httpd 22589 apache 4u IPv6 3172305 TCP *:http (LISTEN)
johno
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?
>
> Thanks.
>
> Scott
>
> _______________________________________________
> bblisa mailing list
> bblisa at bblisa.org
> http://www.bblisa.org/mailman/listinfo/bblisa
More information about the bblisa
mailing list