On 28 Nov 2002, Mark Smith wrote: > On Wed, 2002-11-27 at 23:49, Kurt Erik Lindqvist wrote: > > > Maybe leaked routes in the Internet eg 10/8 aren't so much that common, > > > it's just that they are very prominent when they occur, because you > > > know > > > that you shouldn't be seeing them. > > > > > > > I thought that they where leaked more or less every week...at least > > that is my experience. > > > > My experience is possibly somewhat limited, I made the statement based > on : > > 1) the default ACLs and route filters for the rather large ISP I used to > work for. Unfortunately I don't get a chance to work in the core of that > network, so I'm making a judgement on what was supposed to be the > practice rather than reality. > > 2) I logged into router-server.cerf.net, couldn't find any network 10/8 > in the bgp and route tables, looked at their incoming BGP route filters, > they weren't filtering for it, so their upstream ASs looked to be > filtering it. > > I was mostly wondering if people were over estimating the occurance of > RFC1918 route leaks, purely because "they stick out like a saw thumb". > > With the RFC1918 leaks you see, do they disappear pretty quickly after > they appear, indicating somebody took action to stop the leak ? It would > also be interesting to see if the origin AS of these RFC1918 leaks is > one of the private ones. > > ps, we can take this off-ML if people don't think it is relevant to > IPv6.
I think what was meant was that 10/8 addresses leak as _source_ addresses, which is about equally bad. We have filters on our border, and the counter keeps ticking quite a bit.. -- Pekka Savola "Tell me of difficulties surmounted, Netcore Oy not those you stumble over and fall" Systems. Networks. Security. -- Robert Jordan: A Crown of Swords -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
