Is there a published list of best practice filters out there? -----Original Message----- From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of Christian Nielsen Sent: Wednesday, April 04, 2001 9:42 PM To: John Fraizer Cc: nanog@merit.edu Subject: Re: AS Leakage (filter) On Thu, 5 Apr 2001, John Fraizer wrote:
How many ways can I say "I didn't realize that Christian was speaking about Exodus?
I try to speak about networks in general. I hope that many people on the list understand peering and filtering. For example. If I peer with any provider, from Sprint to the provider sending me 1 route I will filter _701_ from all of them. I will also filter _1239_ from _701_ and all other peers. Please be aware, that I used the term PEER and not Transit provider. I would filter the RFC1918 from peers and transit providers. I would filter IANA-RESERVED. I would filter my own IP space (no reason to see someone else deagg towards me) People have emailed me privately about filtering and I have given some examples of filtering. At the end of Feb, Steve Meuse and I talked about filtering at the LINX meeting. If people would have followed some of the information given, they might not have had a problem when an internet provider leaked the linx IP addresses ! LINX access-list 1 deny 195.66.224.0 access-list 1 deny 195.66.225.0 Here is the URL if anyone would like to look at some of the filtering Exodus does http://www.nielsen.net/people/christian/linx.html Christian
I _DID_NOT_KNOW_ that Christian worked for Exodus. I _DID_NOT_KNOW_ that Christian worked for Exodus. I _DID_NOT_KNOW_ that Christian worked for Exodus.
btw, i still work for Exodus...