Block TCP 139

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Hello folks,

Is there a way to block all incoming connections to my TCP 139 from other
stations in my LAN?? i wish to block this port without the need of
installing a firewall or any other software, i wish to block this through my
Win2000 Sp4....is there a way to do this??? maybe through registry?? any
advice or orientations will be appreciated.

JR.



.



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