svchost.exe ms-rpc port 135 - lsass.exe port 500 UDP - System port nbname(137)

[Guest]

[cist]

aha I see now. Big thanks mate. Didn't know that NetBios over TCP/IP is fall-back for newer direct TCP/IP.

I did as you suggested on the linux box and I got following:
tcp        0      0 0.0.0.0:445             0.0.0.0:*               LISTEN
udp        0      0 0.0.0.0:137             0.0.0.0:*
udp        0      0 0.0.0.0:138             0.0.0.0:*
tcp        0      0 0.0.0.0:139             0.0.0.0:*               LISTEN

Therefore I think it's safe now to disable NetBios on all my machines since i don't run any win2000 or win98 

In addition to previous link that posted Ronny i will give another one here that i found and i think it can be of use to somebody else too. Here it is: http://www.petri.co.il/whats_port_445_in_w2k_xp_2003.htm

thanks again for all explanatory

[Ronny]

  nice article, thanks and I'm sure it will help others also 

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