* version 2.2
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/timer.h>
* and moreover root might send raw packets.
*/
/* FIXME: Source route IP option packets --RR */
- if (hooknum == NF_IP_PRE_ROUTING &&
+ if (ip_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING &&
nf_ip_checksum(skb, hooknum, iph->ihl * 4, IPPROTO_TCP)) {
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,