2017
Checking ssh public key fingerprints
increasing security by verifying the identity of the machine that you connect to with ssh by eye and with SSHFP in DNS.
2016
2008
2006
Using iptables to rate-limit incoming connections
by 1 otherregle IpTables pour bloquer les attaques par dictionnaire sur un port (par exemple le port SSH)
regle IpTables pour bloquer les attaques du port SSH
a plus de 4 tentatives de connexions en moins d'une minute, on bloque l'ip pendant une minute.
Port knocking - Wikipedia, the free encyclopedia
"port knocking is a method of externally opening ports on a firewall by generating a connection attempt on a set of prespecified closed ports"
1
(13 marks)