Hello Folks, I have just become aware of a utility, nmap, to discover
open ports on my system. The output of the run is as follows:-
[graeme barney graeme]$ sudo nmap -sS -O barney
Starting nmap 3.50 ( http://www.insecure.org/nmap/ ) at 2004-08-09 13:07
EST
Interesting ports on barney.localdomain (192.168.1.1):
(The 1637 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
1/tcp open tcpmux
11/tcp open systat
15/tcp open netstat
22/tcp open ssh
111/tcp open rpcbind
143/tcp open imap
540/tcp open uucp
635/tcp open unknown
1024/tcp open kdm
1080/tcp open socks
1524/tcp open ingreslock
2000/tcp open callbook
6667/tcp open irc
10000/tcp open snet-sensor-mgmt
12345/tcp open NetBus
12346/tcp open NetBus
31337/tcp open Elite
32771/tcp open sometimes-rpc5
32772/tcp open sometimes-rpc7
32773/tcp open sometimes-rpc9
32774/tcp open sometimes-rpc11
54320/tcp open bo2k
Device type: general purpose
Running: Linux 2.4.X|2.5.X
OS details: Linux 2.5.25 - 2.5.70 or Gentoo 1.2 Linux 2.4.19 rc1-rc7)
Uptime 0.056 days (since Mon Aug 9 11:47:15 2004)
Nmap run completed -- 1 IP address (1 host up) scanned in 6.560 seconds
Are any of the above open ports posing a danger that I should close?
My apologies for a dumb question but iptables is not my forte I'm
afraid. BTW, nmap got my system wrong, its FC2 on kernel 2.6.6