diff options
| -rw-r--r-- | libnet/src/libnet_checksum.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libnet/src/libnet_checksum.c b/libnet/src/libnet_checksum.c index e3e3600..6970d0d 100644 --- a/libnet/src/libnet_checksum.c +++ b/libnet/src/libnet_checksum.c @@ -275,7 +275,7 @@ libnet_inet_checksum(libnet_t *l, uint8_t *iphdr, int protocol, int h_len, const /* 8 = src and dst */ sum = libnet_in_cksum((uint16_t *)&iph_p->ip_src, 8); } - sum += ntohs(iph_p->ip_p + h_len); + sum += ntohs(IPPROTO_TCP + h_len); sum += libnet_in_cksum((uint16_t *)tcph_p, h_len); tcph_p->th_sum = LIBNET_CKSUM_CARRY(sum); #if 0 |