🖼️00Read later0Read MoreWhy I close SSH port 22 entirely (and what I use instead)Hacker News·2 months ago#zmPd4NiB#michelebologna#ssh#fwknop#openssh#article+2 more🧰Tag tools✨Add tagfail2ban and key-only auth are not enough. fwknop Single Packet Authorization keeps port 22 closed at the firewall, opens it for your IP for a few seconds, then closes it again.15s
