--- zzzz-none-000/linux-2.4.17/net/ipv4/netfilter/ipt_REJECT.c	2001-10-06 15:50:28.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/net/ipv4/netfilter/ipt_REJECT.c	2004-11-24 13:22:08.000000000 +0000
@@ -234,11 +234,8 @@
 	iph->tos=tos;
 	iph->tot_len = htons(length);
 
-	/* This abbreviates icmp->send->ip_build_xmit->ip_dont_fragment */
-	if (!ipv4_config.no_pmtu_disc
-	    && !(rt->u.dst.mxlock&(1<<RTAX_MTU)))
-		iph->frag_off = htons(IP_DF);
-	else iph->frag_off = 0;
+	/* PMTU discovery never applies to ICMP packets. */
+	iph->frag_off = 0;
 
 	iph->ttl = MAXTTL;
 	ip_select_ident(iph, &rt->u.dst, NULL);