At 01:16 PM 11/29/95 +0100, Torsten Sturm wrote:
>Russ Cooper wrote:
>> As far as I am aware, only UDP port 139 is potentially dangerous, as it is
>> used to handle netbios session information. UDP 137 is used for browsing,
>Just to mention, nbt uses TCP (!) for port 139 connections.
>It opens only one connection even for multiple sessions
>between two NT stations.(e.g. share a, share b, rpc over named piped,
>which is used for registry and services administration connections).
>So, it is a little more secure than those nfs-UDP sessions.
For what its worth, RFC-1002 defines both udp/137 *and* tcp/137:
NAME_SERVICE_TCP_PORT 137 (decimal)
NAME_SERVICE_UDP_PORT 137 (decimal)
Paul Ferguson || ||
Consulting Engineering || ||
Reston, Virginia USA |||| ||||
tel: +1.703.716.9538 ..:||||||:..:||||||:..
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