Remove -XPOST as curl reports it is not necessary

Author: nomandera

action.d/opnsense.conf

@@ -1,4 +1,4 @@
-## Version 2022/08/16
+## Version 2023/02/16
 #
 # Fail2Ban action configuration for OPNsense
 # Author: https://linuxserver.io/
@@ -45,15 +45,15 @@
 # Tags:    See jail.conf(5) man page
 # Values:  CMD
 #
-actionban = curl <_allow_insecure> -s -XPOST -d '{"address":"<ip>"}' -H "Content-Type: application/json" -u "<key>":"<secret>" https://<firewall>/api/firewall/alias_util/add/<alias>
+actionban = curl <_allow_insecure> -s -u "<key>":"<secret>" -H "Content-Type: application/json" -d '{"address":"<ip>"}' https://<firewall>/api/firewall/alias_util/add/<alias>
 
 # 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 <_allow_insecure> -s -XPOST -d '{"address":"<ip>"}' -H "Content-Type: application/json" -u "<key>":"<secret>" https://<firewall>/api/firewall/alias_util/delete/<alias>
+actionunban = curl <_allow_insecure> -s -u "<key>":"<secret>" -H "Content-Type: application/json" -d '{"address":"<ip>"}' https://<firewall>/api/firewall/alias_util/delete/<alias>
 
 # Internal variable handler for `allow_insecure`
 _allow_insecure = $(if [ '<allow_insecure>' = true ]; then echo ' -k '; else echo ''; fi;)