Allow non-default https port

policies/client_registration/client_registration.rego

@@ -31,9 +31,6 @@ secure_url(x) if {
 	url.host != "127.0.0.1"
 	url.host != "0.0.0.0"
 	url.host != "[::1]"
-
-	# Must be standard port for HTTPS
-	url.port == ""
 }
 
 host_matches_client_uri(_) if {

policies/client_registration/client_registration_test.rego

@@ -189,6 +189,12 @@ test_redirect_uris if {
 		"redirect_uris": [],
 	}
 
+	# HTTPS redirect_uri with non-standard port
+	client_registration.allow with input.client_metadata as {
+		"client_uri": "https://example.com/",
+		"redirect_uris": ["https://example.com:8443/callback"],
+	}
+
 	# Not required for the client_credentials grant
 	client_registration.allow with input.client_metadata as {
 		"grant_types": ["client_credentials"],