nanog mailing list archives
Re: Dodgy AS327933 ...?
From: Mark Tinka <mark@tinka.africa>
Date: Fri, 11 Aug 2023 19:51:08 +0200
On 8/11/23 12:56, Nick Hilliard wrote:
bgp is a policy based distance vector protocol. If you can't adjust the primary inter-domain metric to handle your policy requirements, it's not much use.
I am not talking about appending one's own AS in the AS_PATH. I am talking about appending someone else's AS in the AS_PATH.
To be fair, I have never had to do that, since I've always thought it would be considered bad form. But I suspect that on the simple BGP mechanics of it, no vendor would be able to prevent that in any meaningful way.
Then again, path hijacking likely wasn't a thought at the time the Border Gateway Protocol was being conceived.
Mark.
Current thread:
- Re: Dodgy AS327933 ...?, (continued)
- Re: Dodgy AS327933 ...? Frank Habicht (Aug 10)
- Re: Dodgy AS327933 ...? Mark Tinka (Aug 10)
- Re: Dodgy AS327933 ...? Mike Davis (Aug 10)
- Re: Dodgy AS327933 ...? borg (Aug 11)
- Re: Dodgy AS327933 ...? Mark Tinka (Aug 11)
- Re: Dodgy AS327933 ...? Nick Hilliard (Aug 11)
- Re: Dodgy AS327933 ...? Mark Tinka (Aug 11)
- Re: Dodgy AS327933 ...? Nick Hilliard (Aug 11)
- Re: Dodgy AS327933 ...? Mark Tinka (Aug 11)
- Re: Dodgy AS327933 ...? Nick Hilliard (Aug 11)
- Re: Dodgy AS327933 ...? Mark Tinka (Aug 11)
- Re: Dodgy AS327933 ...? August Yang via NANOG (Aug 11)
- Re: Dodgy AS327933 ...? Chris Cappuccio (Aug 14)
- Re: Dodgy AS327933 ...? Tom Beecher (Aug 15)
- Re: Dodgy AS327933 ...? Chris Cappuccio (Aug 15)
- Re: Dodgy AS327933 ...? Tom Beecher (Aug 16)
- Re: Dodgy AS327933 ...? Mike Hammett (Aug 15)
- Re: Dodgy AS327933 ...? Chris Cappuccio (Aug 15)
- Re: Dodgy AS327933 ...? Mike Hammett (Aug 15)
- Re: Dodgy AS327933 ...? Chris Cappuccio (Aug 15)
- Re: Dodgy AS327933 ...? Nick Hilliard (Aug 15)