There is no longer any need to restrict protocols for IPv4+IPv6 rules…

…, the appropriate ruleset is generated and problem scenarios that would otherwise break here are prevented by other input validation.

usr/local/www/firewall_rules_edit.php

@@ -298,11 +298,6 @@ function is_aoadv_used($rule_config) {
 			$input_errors[] = gettext("You can not assign an IPv6 Gateway to an IPv4 Filter rule");
 		}
 	}
-
-	if (($_POST['proto'] != "tcp") && ($_POST['proto'] != "udp") && ($_POST['proto'] != "tcp/udp") && ($_POST['proto'] != "icmp")) {
-		if($_POST['ipprotocol'] == "inet46")
-			$input_errors[] =  gettext("You can not assign a protocol other than ICMP, TCP, UDP or TCP/UDP to a rule that applies to IPv4 and IPv6");
-	}
 	if (($_POST['proto'] == "icmp") && ($_POST['icmptype'] <> "")){
 		if($_POST['ipprotocol'] == "inet46")
 			$input_errors[] =  gettext("You can not assign a ICMP type to a rule that applies to IPv4 and IPv6");