Re:Port knocking
by iso1631 on Friday May 15, 2020 @08:35AM
(#23191418)
> I'm not a proper sysadmin, but when I play about on EC2 I always configure the security-group to block incoming connections to TCP port 22 except from whitelisted IPs.
Because I have multiple IPs I connect to, most of which are unknown. Maybe I'm connecting from a coffee shop, maybe from a tethered phone, maybe from work, maybe from an airplane, or a train, or a friend's wifi, etc.
Because I have multiple IPs I connect to, most of which are unknown. Maybe I'm connecting from a coffee shop, maybe from a tethered phone, maybe from work, maybe from an airplane, or a train, or a friend's wifi, etc.