nanog mailing list archives
Re: "Tactical" /24 announcements
From: Robert McKay <robert () mckay com>
Date: Mon, 09 Aug 2021 23:17:40 +0100
On 2021-08-09 22:39, Baldur Norddahl wrote:
man. 9. aug. 2021 22.13 skrev Grzegorz Janoszka <grzegorz () janoszka pl>:On 2021-08-09 17:47, Billy Croan wrote:How does the community feel about using /24 originations in BGP asatactical advantage against potential bgp hijackers?RPKI is more effective than a competing /24. Unless they hijack you ASn as well.You will usually get an as path length advantage even if they do hijack your asn.
Unless your RPKI is set to allow /24 but you normally advertise /21 or something shorter.. then RPKI works to the hijacker's advantage.
You could argue this is no different than before RPKI which is true.. except that now that RPKI exists people are tempted to use it to automate configuration and take humans out of the loop.
I imagine there are quite a few RPKI enabled prefixes (those configured to allow too long advertisements) that are easier to hijack now than they were before RPKI existed.
-Rob
Current thread:
- Re: "Tactical" /24 announcements, (continued)
- Re: "Tactical" /24 announcements Adam Thompson (Aug 09)
- Re: "Tactical" /24 announcements Hank Nussbacher (Aug 09)
- Re: "Tactical" /24 announcements Tom Beecher (Aug 09)
- Re: "Tactical" /24 announcements Rabbi Rob Thomas (Aug 09)
- Re: "Tactical" /24 announcements Mark Tinka (Aug 10)
- Re: "Tactical" /24 announcements Tom Hill (Aug 11)
- Re: "Tactical" /24 announcements Mark Tinka (Aug 11)
- Re: "Tactical" /24 announcements Tom Beecher (Aug 09)
- Re: "Tactical" /24 announcements Baldur Norddahl (Aug 09)
- Re: "Tactical" /24 announcements Robert McKay (Aug 09)
- Re: "Tactical" /24 announcements Lady Benjamin Cannon of Glencoe, ASCE (Aug 09)
- Re: "Tactical" /24 announcements Tom Hill (Aug 11)
- Re: "Tactical" /24 announcements Lukas Tribus (Aug 11)
- Re: "Tactical" /24 announcements Jon Lewis (Aug 11)
- Re: "Tactical" /24 announcements Tom Hill (Aug 12)
- Re: "Tactical" /24 announcements William Herrin (Aug 12)
- Re: "Tactical" /24 announcements Hank Nussbacher (Aug 12)
- Re: "Tactical" /24 announcements Amir Herzberg (Aug 12)
- Re: "Tactical" /24 announcements Mark Tinka (Aug 13)