Re: XO Connectivity

2006-03-17 Thread Steve Sobol
On Thu, 16 Mar 2006, David Coulson wrote: > Is anyone seeing issues with XO? We've been seeing some strange BGP > resets over night and only about 10% of our routes are best pathed > through them (usually more like 40%), even after we reset sessions to > other carriers... Not out here, things

Re: DNS Amplification Attacks

2006-03-17 Thread ennova2005-nanog
That ISPs still do not filter inbound traffic from their customers to prevent source spoofing is amazing.   Done closer to the ingress edge this filtering shouldnt be that expensive. Not everyone will do it, but atleast it will limit the places from where source address spoofing attacks originate.T

DNS Amplification Attacks

2006-03-17 Thread Gadi Evron
In this paper we address in detail how the recent DNS DDoS attacks work. How they abuse name servers, EDNS, the recursive feature and UDP packet spoofing, as well as how the amplification effect works. Our study is based on packet captures (we provide with samples) and logs from attacks on di

mail.chartercom.com operators

2006-03-17 Thread Greg Albrecht
hello, i'm trying to troubleshoot some issues i'm having sending messages to chartercom.com users via mail.chartercom.com. every time i try to make a smtp connection to mail.chartercom.com the remote end sends a RST before the connection is even setup. if someone w/ knowledge of chartercom.com's

Weekly Routing Table Report

2006-03-17 Thread Routing Table Analysis
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to [EMAIL PROTECTED] If you have any comments please contact Philip Smith <[EMAIL PROTECTED]>. Routing Table Report 04:00 +10GMT Sat 18 Mar, 2006

The Cidr Report

2006-03-17 Thread cidr-report
This report has been generated at Fri Mar 17 21:53:43 2006 AEST. The report analyses the BGP Routing Table of an AS4637 (Reach) router and generates a report on aggregation potential within the table. Check http://www.cidr-report.org/as4637 for a current version of this report. Recent Table Hist

Re: FW: DNS TTL adherence

2006-03-17 Thread Igor Gashinsky
:: >So, if you, or the original poster, is going to move :: ${important_resource} :: >around ip-wise keep in mind that your ${important_thing} may have to :: >answer to more than 1 ip address for a period much longer than your :: tuned :: >TTL :( :: :: Thanks all for the responses. I do understan