 dave
Premium,MVM
join:2000-05-04
not in ohio | Netbios datagram service Provides datagram service (i.e., message structured unreliable delivery service with multicast capability) | |
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beharrison
join:2002-07-10
Columbia, SC | Understood, but is that a security risk? By shutting this port, what functionality am I losing? | |
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 | n4cer
join:2000-09-23
Birmingham, AL
| Re: Understood, but is that a security risk? Based on the document found at: »support.microsoft.com/default.as···&SD=HSCH
It appears that port 138/udp is used to broadcast information on browse lists and elections from a Windows Master Browser to Windows workstations.
If you filter (block) this port over a LAN, your ability to browse other machines on the LAN may be limited.
This port can be filtered from leaving your LAN (going out to the Internet) with no problems.
[text was edited by author 2003-04-17 19:47:24] | |
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| | bubba__gump
join:2003-02-01
Topeka, KS | Re: Understood, but is that a security risk? How do you limit this port in Win 2000 Server? I have all 2000 and XP machines so I should not loose funtionality if I read the artical from MS correctly..
Please email to: bubba__gump@hotmail.com | |
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max_payne0334
@cable.rogers | How to POrt shut? Hey i have udp138 port open how can i close it please help me!..I also have 137 and 139 open ..i have to close them all.. | |
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| markh77
join:2002-03-07
Conyers, GA | Re: How to POrt shut? what os? | |
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| | DJStarfox
join:2000-07-05
Orlando, FL |  Re: How to POrt shut?
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octavee
join:2003-05-31
Sedona, AZ |  Port open UDP 138
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Enoss
@rr.com | average joe winmx uses this port for downloading | |
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dzldsman
@navix.net
| Re: average joe Don't worry about it is it is a UDP port...if you are behind a Linux box...you can ignore it completely...it is a connectionless UDP port with minimal security risk. Even on windows...if only your UDP ports are open...relax...nobody is going to be playing with you much, ie, It is much easier to steal a car with the keys in it...why would I want to sit a plug away at a machine that is locked down a bit...when there are so many that are wide open. | |
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catchy name
| winmx winmx uses tcp ports only in the high 6 or 7 000 ranges for all of its functions. | |
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rvw
join:2004-01-23
Farmingdale, NY | UPD port 139 I try to close UDP open ports 137- 139 thru my firewall then i re-CHECKED scan port and said they were still open What do I do NOW??? | |
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