As a newbie, I do not have much of an understanding on ports.
Is there a HowTo explaining which ports are used for what ?. How can I see
which ports are open on my Linux box ?.
Thanks
Peter
Is there a HowTo explaining which ports are used for what ?. How can I see
which ports are open on my Linux box ?.
Thanks
Peter
> Is there a HowTo explaining which ports are used for what ?. How can I see
> which ports are open on my Linux box ?.
lsof -i
netstat -tupan
rpcinfo -p
You need to be root to get the full information.
In <http://www.isi.edu/in-notes/iana/assignments/>, look for
these files:
port-numbers
protocol-numbers
icmp-parameters
--
Manfred
---------------------------------------------------------------
ipchainsLogAnalyzer, NetCalc, whois at: <http://logi.cc/linux/>
Thanks for your prompt reply.
For other newbies, I found this on another newsgroup.
http://www.linuxsecurity.com/resource_files/firewalls/firewall-seen.html
Its worth a read.
Peter
Dong Dong
Quote:> As a newbie, I do not have much of an understanding on ports.
> Is there a HowTo explaining which ports are used for what ?. How can I see
> which ports are open on my Linux box ?.
> Thanks
> Peter
In any case, it will give the info needed. That I agree on.
Leon Bourassa
Network Admin
> Dong Dong
> > As a newbie, I do not have much of an understanding on ports.
> > Is there a HowTo explaining which ports are used for what ?. How can I
see
> > which ports are open on my Linux box ?.
> > Thanks
> > Peter
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