nanog mailing list archives
Re: [Re: [Re: M$SQL cleanup incentives]]
From: "E.B. Dreger" <eddy+public+spam () noc everquick net>
Date: Sat, 22 Feb 2003 02:18:07 +0000 (GMT)
BB> Date: Fri, 21 Feb 2003 14:08:46 -0600 (CST) BB> From: Bryan Bradsby JS> it isn't legit for what i have in my network though :-) BB> Really? So you're blocking udp/1434 both in and out? BB> BB> Got any DNS servers on your network? Any of your desktop BB> clients use DNS? s/DNS/UDP-based servers/ BB> Recent versions of un*x BIND will pick a random port above BB> 1024 for udp conversations. It can and has picked 1434. Standard socket(2) behavior. BIND [hopefully] runs chown(2)ed, so the source port number must be >= 1024. BB> DNS clients will eventually timeout and fall back to another BB> server, so any problems would be transient, but the packets BB> were legit, right? Stateful packet filters are nice. Properly written, they protect both inbound and outbound traffic and need to track very little state. Eddy -- Brotsman & Dreger, Inc. - EverQuick Internet Division Bandwidth, consulting, e-commerce, hosting, and network building Phone: +1 (785) 865-5885 Lawrence and [inter]national Phone: +1 (316) 794-8922 Wichita ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Date: Mon, 21 May 2001 11:23:58 +0000 (GMT) From: A Trap <blacklist () brics com> To: blacklist () brics com Subject: Please ignore this portion of my mail signature. These last few lines are a trap for address-harvesting spambots. Do NOT send mail to <blacklist () brics com>, or you are likely to be blocked.
Current thread:
- Re: [Re: [Re: M$SQL cleanup incentives]] Joshua Smith (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] David Barak (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] Kevin Oberman (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] Johannes Ullrich (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] Kevin Oberman (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] Kevin Oberman (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] David Barak (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] Bryan Bradsby (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] E.B. Dreger (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] Doug Barton (Feb 21)
- Re: [Re: [Re: M$SQL cleanup incentives]] alex (Feb 22)
- Re: [Re: [Re: M$SQL cleanup incentives]] E.B. Dreger (Feb 21)