Date: Thu, 26 Aug 1999 11:45:23 -0700 (PDT) From: Brian <bri@sonicboom.org> To: Cillian Sharkey <cillian@baker.ie> Cc: "David B. Aas" <dave@ciminot.com>, questions@FreeBSD.ORG Subject: Re: What uses Port 137-NETBIOS Name Service? Message-ID: <Pine.BSF.4.10.9908261138350.10979-100000@adsl-216-102-203-44.dsl.snfc21.pacbell.net> In-Reply-To: <37C55857.9755D72D@baker.ie>
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Destination ports 137-139 via udp are windows related and should not be pernitted in from the Internet unless you have a specific reason to. Theres a detailed port lisort listing on the iana ftp site somewhere. Briy On Thu, 26 Aug 1999, Cillian Sharkey wrote: > > Aug 26 08:53:51 gateway /kernel: ipfw: 3200 Deny UDP 207.195.152.19:137 > > 208.149.231.82:137 in via xl1 > > > > xl1 is my outside net > > 208.149.231.82 is my address of xl1 > > Rule 3200 is "deny log udp from any to any" which is my final rule. > > > > I have a Windows NT Server inside my network, running NETbeui protocols. I > > appear to be getting these requests from outside. > > > > What uses port 137? Nobody on the network seems to be complaining that they > > can't do stuff, so I am inclined to let it go, and keep denying the packets. > > Is there a reason I should be letting these packets through? > > samba uses these ports for sharing files/printers to windows clients. > it's just someone being nosy on the outside.. > > Cillian > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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