Re: Unknown ports with port scan (nmap)
There are any number of ways to determine what those might be.
You can try
(as root) lsof |grep LISTEN or lsof |grep ESTABLISHED
check through services with cat /etc/services
another excellent resource is www.portsdb.org
Hope some of this helps.
On Mon, 2002-04-01 at 03:12, Charlie Grosvenor wrote:
I have just done a port scan of my machine, but there are a few
services that I don’t know what they are (the ones that say unknown) Do
you have these on your machine. Any ideas what they are?
Port State Service
9/tcp open discard
13/tcp open daytime
21/tcp open ftp
22/tcp open ssh
25/tcp open smtp
37/tcp open time
53/tcp open domain
80/tcp open http
109/tcp open pop-2
110/tcp open pop-3
111/tcp open sunrpc
119/tcp open nntp
143/tcp open imap2
220/tcp open imap3
828/tcp open unknown
829/tcp open unknown
838/tcp open unknown
901/tcp open samba-swat
953/tcp open rndc
1025/tcp open listen
1026/tcp open nterm
1723/tcp open pptp
3128/tcp open squid-http
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