With IPv6 every user gets an IPv4 internet worth of addresses for himself which ... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		tinus_hn on May 15, 2020 \| parent \| context \| favorite \| on: Port knocking With IPv6 every user gets an IPv4 internet worth of addresses for himself which makes fail2ban useless.

Forbo on May 15, 2020 [–]

Couldn't you just ban the /64 and call it good? It's not like they get a random selection of addresses, they're all going to be the same CIDR. Or am I overlooking something here?

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact