Added fail2ban, though not sure its configured correctly yet

docker/rootfs/fail2ban/action.d/pushover.conf

@@ -0,0 +1,61 @@
+## Version 2022/08/15
+#
+# Fail2Ban action configuration for Pushover
+# Author: https://linuxserver.io/
+#
+# Please ensure jail.local permission are secure as it will contain your Pushover API key
+#
+# This action requires the setup of a Pushover Application/API Token. This will require an account at https://pushover.net/
+#
+
+[Definition]
+
+# Option:  actionstart
+# Notes.:  command executed once at the start of Fail2Ban.
+# Values:  CMD
+#
+# Comment out this action as necessary
+actionstart = curl -s -F "token=<token>" -F "user=<user>" -F "title=[Fail2Ban] <name>" -F "message=Jail <name> has been started successfully." https://api.pushover.net/1/messages
+
+# Option:  actionstop
+# Notes.:  command executed once at the end of Fail2Ban
+# Values:  CMD
+#
+# Comment out this action as necessary
+actionstop = curl -s -F "token=<token>" -F "user=<user>" -F "title=[Fail2Ban] <name>" -F "message=Jail <name> has been stopped." https://api.pushover.net/1/messages
+
+# Option:  actioncheck
+# Notes.:  command executed once before each actionban command
+# Values:  CMD
+#
+actioncheck = 
+
+# Option:  actionban
+# Notes.:  command executed when banning an IP. Take care that the
+#          command is executed with Fail2Ban user rights.
+# Tags:    See jail.conf(5) man page
+# Values:  CMD
+#
+actionban = curl -s -F "token=<token>" -F "user=<user>" -F "title=[Fail2Ban] <name>" -F "message=Banned IP: <ip> Lines containing IP: `grep '<ip>' <logpath>`" https://api.pushover.net/1/messages
+
+# Option:  actionunban
+# Notes.:  command executed when unbanning an IP. Take care that the
+#          command is executed with Fail2Ban user rights.
+# Tags:    See jail.conf(5) man page
+# Values:  CMD
+#
+actionunban = curl -s -F "token=<token>" -F "user=<user>" -F "title=[Fail2Ban] <name>" -F "message=Unbanned IP: <ip> Lines containing IP: `grep '<ip>' <logpath>`" https://api.pushover.net/1/messages
+
+[Init]
+
+# Option:  token
+# Notes.:  The Pushover API Token/Key setup for Fail2Ban.
+# Values:  [ STRING ]
+#
+token =
+
+# Option:  user
+# Notes.:  Your Pushover User Key.
+# Values:  [ STRING ]
+#
+user =