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M$ smb firewall ports
Authored by: FlaSheridn on Jul 30, '04 01:44:09PM

For the Windows end, see http://support.microsoft.com/?kbid=298804, "Internet firewalls can prevent browsing and file sharing".

• Microsoft file sharing SMB: User Datagram Protocol (UDP) ports from 135 through 139 and Transmission Control Protocol (TCP) ports from 135 through 139.
• Direct-hosted SMB traffic without a network basic input/output system (NetBIOS): port 445 (TCP and UPD).

Usual disclaimers apply; M$ seems to assume you won't turn your firewall on, and that if you do, you'll have to live with breaking stuff, rather than the compromise of running a firewall and opening ports.



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