Nmap 5.30BETA1 не находит порты

система Ubuntu 10.04
скачал, собрал, поставил nmap
#./configure
#make
#make install

все поставилось прекрасно...

но блин вот фигня получается

делаю от обычного юзверя -
dron@xakep:~/_build/nmap$ nmap 10.1.1.254

Starting Nmap 5.30BETA1 ( http://nmap.org ) at 2010-06-27 11:33 EEST
Warning: File ./nmap-services exists, but Nmap is using /usr/local/share/nmap/nmap-services for security and consistency reasons. set NMAPDIR=. to give priority to files in your local directory (may affect the other data files too).
Nmap scan report for gw.private (10.1.1.254)
Host is up (0.29s latency).
Not shown: 981 closed ports
PORT STATE SERVICE
1/tcp open tcpmux
21/tcp open ftp
22/tcp open ssh
23/tcp open telnet
25/tcp open smtp
53/tcp open domain
79/tcp open finger
80/tcp open http
81/tcp open hosts2-ns
110/tcp open pop3
111/tcp open rpcbind
119/tcp open nntp
143/tcp open imap
1080/tcp open socks
1524/tcp open ingreslock
1723/tcp open pptp
2000/tcp open cisco-sccp
6667/tcp open irc
12345/tcp open netbus

Nmap done: 1 IP address (1 host up) scanned in 1.24 seconds

нашло порты...

делаю от рута -

dron@xakep:~/_build/nmap$ sudo su -

root@xakep:~# nmap 10.1.1.254

Starting Nmap 5.30BETA1 ( http://nmap.org ) at 2010-06-27 11:34 EEST
Nmap scan report for gw.private (10.1.1.254)
Host is up (0.00017s latency).
All 1000 scanned ports on gw.private (10.1.1.254) are filtered
MAC Address: 00:02:2A:E1:F9:6B (Asound Electronic)

Nmap done: 1 IP address (1 host up) scanned in 21.44 seconds

нет портов, странно...

добавляю параметр -sT -

root@xakep:~# nmap -sT 192.168.0.250

Starting Nmap 5.30BETA1 ( http://nmap.org ) at 2010-06-27 11:20 EEST
Nmap scan report for proxy(192.168.0.250)
Host is up (0.0040s latency).
Not shown: 900 closed ports, 80 filtered ports
PORT STATE SERVICE
1/tcp open tcpmux
21/tcp open ftp
22/tcp open ssh
23/tcp open telnet
25/tcp open smtp
53/tcp open domain
79/tcp open finger
80/tcp open http
81/tcp open hosts2-ns
110/tcp open pop3
111/tcp open rpcbind
119/tcp open nntp
143/tcp open imap
1080/tcp open socks
1524/tcp open ingreslock
1723/tcp open pptp
2000/tcp open cisco-sccp
3306/tcp open mysql
6667/tcp open irc
12345/tcp open netbus
MAC Address: 00:02:2A:E1:F9:6B (Asound Electronic)

Nmap done: 1 IP address (1 host up) scanned in 1.56 seconds

есть порты...

каждый раз добавлять этот параметр или добавить в алиас это костыль получится...

кто-то может сталкивался с такой проблемой???