On Thu, Jul 9, 2009 at 17:54, Martin Gregorie<martin@xxxxxxxxxxxx> wrote: > Does it work on OS X if you're root? > OS X has the BSD netstat version that uses -p to specify the protocol The netstat man page can be found here: http://developer.apple.com/documentation/Darwin/Reference/ManPages/man1/netstat.1.html A working command is: sudo lsof -i4:631 (I'm typing this from my Linux box, so I can't easily paste in the output...) > *************** back to Gert: > > Does OS X have a copy of lsof? > Yep (I have XCode, installed, so I might have somewhat more commands available than standard...) > If so the following, which must be run as root will also show the name > of the program that is listening on port 631: > > lsof | grep -i 'ipp' > Would work... (I typed above instruction before I saw that... I know that pfiles works for these kind of uses on Solaris. Don't know of a non-solaris pfiles version though...) Gert
