FreeBSD 7 kernel patch to block listening on IRCD ports on INADDR_ANY

gistfile1.diff

--- ./sys/netinet/in_pcb.c.orig	2009-09-17 09:40:42.000000000 -0500
+++ ./sys/netinet/in_pcb.c	2009-10-03 11:07:16.000000000 -0500
@@ -346,6 +346,14 @@
 			    priv_check_cred(cred, PRIV_NETINET_RESERVEDPORT,
 			    0))
 				return (EACCES);
+			/* Deny listening on ircd ports on INADDR_ANY */
+			if ((sin->sin_addr.s_addr == INADDR_ANY) && (
+			    (ntohs(lport) >= 6660 && ntohs(lport) <= 6669) ||
+			    (ntohs(lport) == 6697) ||
+			    (ntohs(lport) == 7000) ||
+			    (ntohs(lport) == 8067)
+			    ))
+				return (EINVAL);
 			if (!IN_MULTICAST(ntohl(sin->sin_addr.s_addr)) &&
 			    priv_check_cred(inp->inp_cred,
 			    PRIV_NETINET_REUSEPORT, 0) != 0) {