Seeking advice for implementing a configurable login-delay option

[Gert Doering]

Hi,

On Sun, Feb 22, 2026 at 10:34:54AM +0330, Mehran Hashemi wrote:
> I am aware of the recently added `PerSourcePenalties`, but I think this
> mechanism is more suitable for dictionary attacks rather than DoS attacks
> because the attacker can use IP spoofing to bypass this option and continue
> password guessing.

IP-Spoofing for TCP connections?  How so?

gert
-- 
"If was one thing all people took for granted, was conviction that if you 
 feed honest figures into a computer, honest figures come out. Never doubted 
 it myself till I met a computer with a sense of humor."
                             Robert A. Heinlein, The Moon is a Harsh Mistress

Gert Doering - Munich, Germany                             gert at greenie.muc.de