On 2025-03-08, Marco Moock via mailop <mailop@mailop.org> wrote: > Am 08.03.2025 um 11:56:56 Uhr schrieb Alessandro Vesely via mailop: >> I read that since v0.10 fail2ban supports the matching of IPv6 >> addresses. I don't use it, so I don't know how it works. > > It can check for IPv6 addresses in the log and ban single IPv6 > addresses, but I've never seen that it can escalate banning to entire > networks depending on the amount of already banned IPs in a subnet.
It wouldn't be hard to tweak so that it bans /64s instead of single IPs. The adaptive widening is something I thought about doing offline in a separate cron job script, but I don't get enough IPv6 connections to make it worth the efforot. _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop