Update .gitignore to exclude fail2ban data directory, clean up docker-compose.yaml by removing unused volume mappings, and add new Fail2Ban filter configurations for enhanced security against various attack vectors.

fail2ban/jail.d/sshd.local

@@ -0,0 +1,17 @@
+[DEFAULT]
+banaction = nftables-multiport
+backend   = auto
+findtime  = 10m
+bantime   = 30m
+maxretry  = 3
+bantime.increment = false
+bantime.factor = 1
+bantime.maxtime = 24h
+mode = aggressive
+
+[sshd]
+enabled = true
+port = 2522
+filter = sshd
+logpath = /var/log/auth.log
+action  = %(banaction)s[name=%(__name__)s, port="%(port)s", protocol="tcp"]