koh jef wrote:
> 
> hi guys,
> 
> can netbios,using port 137, 138 and 139 be routed thru WAN ???

NetBIOS uses UDP and TCP which run on top of IP, which is routable over an
IP internetwork, including WAN links.

Routers don't forward broadcasts though, by default. When NetBIOS runs over
UDP ports 137 and 138, a lot of it is broadcasts. You can use an IP helper
address and udp forwarding on a router to get the router to forward those.
That might not be such a good idea, though. It could make resources
available across the WAN that you don't want to make available. It could
require you to open ports on firewalls, resulting in security risks.

You need take a higher-level view of what you're trying to do... Windows
networking across an internetwork can be challenging...

Priscilla



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