Firewall notice me about some application SYSTEM on port 137

[Guest]

[bazyl]

I have little LAN at home, about 4 computers. Siince yesterday firewall has been noticing me about application SYSTEM on port 137 protocol UDP from computer in ma local network who wants connect with me. What is it ? As long as i blocked it.

[Rotty]

If the requesting computer is trusted then I would allow it for your local network.

"UDP 137 is used for browsing, logon sequence, pass-thru validations, printing support, trust support, WinNT Secure Channel, and WINS registration.Security Concerns: Key target in auth & DOS attacks." http://www.auditmypc.com/port/udp-port-137.asp

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