Re: [fw-wiz] RE: Help w/ Port 137 Traffic

From: Devdas Bhagat (dodobhat_private)
Date: Sun Oct 13 2002 - 22:03:47 PDT

  • Next message: Luca Berra: "Re: [fw-wiz] RE: Help w/ Port 137 Traffic"

    On 13/10/02 14:40 -0400, R. DuFresne wrote:
    > depending upon the kinda of windows OS' behind your firewall, you might
    > wish to add 135-139, tc and udp, as well as 445, and 1433,1434.  Of course
    > 1080 1090 1900 5000 might not hurt to be blocked either, depending upon
    > services running on those systems.  IM fileshareing ports might well be blocked as well, at
    > the least, 4443 1503 3574 5010 6891 7320.  And of course, this is not an
    > exhaustive list.  
    Wouldn't the Right Thing(tm) be to block everything and then allow only
    what traffic is supposed to go out?
    Not logging 137/udp is a good idea because it fills up the logs and does
    not add any significant information to them.
    
    Devdas Bhagat
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