Added more bantime and lowered max retry attempts

Ban time was too low for preventing ssh brute force attacks, this change also allows to keep the auth.log more clean and avoid wasting cpu and i/o on this. 

Bots eventually will flag your IP as secure and move along.

conf/fail2ban/jail.local

@@ -8,6 +8,12 @@ maxretry = 20
 
 # JAILS
 
+[ssh]
+enabled  = true
+maxretry = 7
+findtime = 120
+bantime = 3600
+
 [ssh-ddos]
 enabled  = true