[db-wg] proposal: disallow creation of new non-hierarchically named AS-SET objects
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Stavros Konstantaras
stavros.konstantaras at ams-ix.net
Thu Nov 17 15:08:39 CET 2022
I support the idea as well. Kind Regards Stavros Konstantaras | Sr. Network Engineer | AMS-IX Frederiksplein 42, 1017 XN Amsterdam, The Netherlands M +31 (0) 620 89 51 04 ams-ix.net<http://ams-ix.net> From: db-wg <db-wg-bounces at ripe.net> on behalf of Emil Palm via db-wg <db-wg at ripe.net> Reply to: Emil Palm <emil at netnod.se> Date: Wednesday, 16 November 2022 at 13:07 To: "db-wg at ripe.net" <db-wg at ripe.net> Subject: Re: [db-wg] proposal: disallow creation of new non-hierarchically named AS-SET objects Solution proposal ================= I think the solution is to - GOING FORWARD - disallow creation of new AS-SET objects which follow the 'short' naming style. I support this solution On Mon, 14 Nov 2022 at 18:41, Job Snijders via db-wg <db-wg at ripe.net<mailto:db-wg at ripe.net>> wrote: Dear DB-WG, Speaking in individual capacity. In RFC 2622 section 5 specifies the naming convention for AS-SET objects. https://www.rfc-editor.org/rfc/rfc2622#section-5.1<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rfc-editor.org%2Frfc%2Frfc2622%23section-5.1&data=05%7C01%7Cstavros.konstantaras%40ams-ix.net%7C0ae0271e70bf4ade6ae408dac7cb331e%7C09d28fc155624961a4848ce4932094ae%7C0%7C0%7C638041972795837229%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=%2BJKdbzxhekJUUBiprtS6%2B00dLK%2BsuSxv%2FxaCnWUFFpc%3D&reserved=0> There basically are two styles: * "short" (example: AS-SNIJDERS) * "hierarchical" (example: AS15562:AS-SNIJDERS) Problem statement ================= In recent weeks a number of hypergiant cloud providers have faced the thorny effects of adversarial AS-SET object naming collisions between IRR databases. An example of this phenomenon is the existence of AS-AMAZON in both RADB and RIPE. According to https://www.peeringdb.com/net/1418<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.peeringdb.com%2Fnet%2F1418&data=05%7C01%7Cstavros.konstantaras%40ams-ix.net%7C0ae0271e70bf4ade6ae408dac7cb331e%7C09d28fc155624961a4848ce4932094ae%7C0%7C0%7C638041972795837229%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=TslaSp8LfMPD%2Ba1z2Aauez8LLnpqc6tEQGPl1r%2B%2FrMM%3D&reserved=0> the RADB copy of the object is the the correct one and populated with a number of members entries. The RIPE one is empty, and not under control of Amazon. The existence of the AS-AMAZON object in the RIPE database might cause some operators to inadvertently apply empty prefix-filters to EBGP sessions which in turn causes various problems. It seems Amazon has no recourse to get the AS-AMAZON object removed from the RIPE database; because the existence of that object in the RIPE database does not violate any policies (as far as I know). But perhaps, going forward, this community can do a little bit more to help prevent similar situations from happening to others. Solution proposal ================= I think the solution is to - GOING FORWARD - disallow creation of new AS-SET objects which follow the 'short' naming style. The advantage of hierarchical naming is that the existing authorization rules as applied by the RIPE Whois Server database engine do a decent job of protecting/separating namespaces. 'Grandfathering' existing short-named objects ensures that implementation of this solution proposal causes minimal (if any) disruption to existing workflows. The RIPE database engine blocking creation of short-named AS-SETs might help nudge the industry towards making hierarchical naming the norm. Related work ============ Related work throughout the registry industry: IRRd version 4 forces new AS-SET objects to be structured hierarchically: https://github.com/irrdnet/irrd/issues/408<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Firrdnet%2Firrd%2Fissues%2F408&data=05%7C01%7Cstavros.konstantaras%40ams-ix.net%7C0ae0271e70bf4ade6ae408dac7cb331e%7C09d28fc155624961a4848ce4932094ae%7C0%7C0%7C638041972795837229%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=qoot5BPK95InIXGeQH9Hhp0ZcPM4I8dD95cpEE%2F9%2Bac%3D&reserved=0> Kind regards, Job -- To unsubscribe from this mailing list, get a password reminder, or change your subscription options, please visit: https://lists.ripe.net/mailman/listinfo/db-wg<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.ripe.net%2Fmailman%2Flistinfo%2Fdb-wg&data=05%7C01%7Cstavros.konstantaras%40ams-ix.net%7C0ae0271e70bf4ade6ae408dac7cb331e%7C09d28fc155624961a4848ce4932094ae%7C0%7C0%7C638041972795837229%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=OCpNwUO8IhZ%2BGoO%2FO%2FIVQ5Z0Nk5imw%2Bh8NG9rW4jljU%3D&reserved=0> -------------- next part -------------- An HTML attachment was scrubbed... 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