[TriLUG] opening port 6667 on Feisty
volcimaster at gmail.com
Tue Jun 19 11:59:42 EDT 2007
Starting Nmap 4.20 ( http://insecure.org ) at 2007-06-19 11:57 EDT
Interesting ports on dhcp-010-010-002-060.nc.opsware.com (10.10.2.60):
Not shown: 1692 closed ports
PORT STATE SERVICE VERSION
22/tcp open ssh OpenSSH 4.3p2 Debian 8ubuntu1 (protocol 2.0)
25/tcp open smtp Postfix smtpd
111/tcp open rpcbind 2 (rpc #100000)
673/tcp open mountd 1-2 (rpc #100005)
2049/tcp open nfs 2 (rpc #100003)
Service Info: Host: scabbard; OS: Linux
Service detection performed. Please report any incorrect results at
Nmap finished: 1 IP address (1 host up) scanned in 11.245 seconds
(from another host on the same network)
On 6/19/07, Alan Porter <porter at trilug.org> wrote:
> > And Alan: I got the same 'blank' results from iptables, so it looks like
> > it's not running.
> Just a point of clarification, for those who have not messed with Linux
> Iptables is a kernel filter that is built into the TCP/IP stack. If the
> modules are loaded, then each packet has to run the gauntlet of filters
> in the kernel. There is no "firewall program" that filters packets.
> The firewall program (be is shorewall or my home-brew script) simply
> sets up the iptables rules and then exits.
> This is kind of a weird thing to get used to when you're first testing
> out your firewall. Shorewall is not running, so you can't kill it.
> "service shorewall stop" does not kill a process, it just issues some
> more iptables rules that'll let more packets pass through.
> Now, back to our discussion about getting the IRC server to work...
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with the prime numbers." --Paul Erdős
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