"Peter" <fbsdq at peterk.org> writes: > Or combine that with portknocking - Only open port 22 after X number of > attempts to connect on port 1234: As has already been explained, that's no good if you need to ssh in from behind a corporate firewall that blocks everything except 20, 22, 80 and 443. DES -- Dag-Erling Smørgrav - des at des.no