нода:

root@srv08:~# nmap -sU -p 16567 192.168.2.41
Starting Nmap 5.00 ( http://nmap.org ) at 2011-04-26 10:15 EEST
Note: Host seems down. If it is really up, but blocking our ping probes, try -PN
Nmap done: 1 IP address (0 hosts up) scanned in 0.29 seconds

Note: Host seems down. If it is really up, but blocking our ping probes, try -PN

контейнер:

bf2:~# nmap -sU -p 16567 192.168.2.41

Starting Nmap 4.62 ( http://nmap.org ) at 2011-04-26 11:16 MSD
Interesting ports on bf2 (192.168.2.41):
PORT      STATE         SERVICE
16567/udp open|filtered unknown

Nmap done: 1 IP address (1 host up) scanned in 2.049 seconds

с постороннего компа:

srv07:~# nmap -sU -p 16567 192.168.2.41
Starting Nmap 4.62 ( http://nmap.org ) at 2011-04-26 10:19 EEST
Interesting ports on 192.168.2.41:
PORT      STATE         SERVICE
16567/udp open|filtered unknown
MAC Address: 00:25:22:56:B5:EB (Unknown)
Nmap done: 1 IP address (1 host up) scanned in 0.648 seconds