You can also use:
netstat -a | grep LISTEN

George



foodog wrote:
> 
> Carl, if you've got RH 7.2 it comes with nmap and nmapfe.  I don't
> recall if it's included by default or if you have to choose it.  Most of
> the time I spend on installing is browsing through the apps, mostly
> unselecting.
> 
> If you want to see what ports are currently open you can use:
> 
> lsof -Pni
> or
> nmap localhost
> 
> to see the status of services you can use:
> chkconfig --list | more
> 
> I don't know of any way to see past port activity, maybe browsing
> through logfiles...
> 
> HTH,
> Steve
> 
> Carl Parrish wrote:
> >
> > Is there anything like nmap on a *default* install of Redhat? I guess I
> > don't really need all the features of nmap. I just need to figure out if
> > a port is open and if its been active. Problem is I didn't set the
> > server up and don't know what's installed. any ideas of tools I should
> > look for? Or should I just install something? Is there any way to look
> > up past activity on a port?
> >
> > Carl P.
> >
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