diff options
| -rw-r--r-- | src/vnet/ip/ip4_input.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_input.h b/src/vnet/ip/ip4_input.h index 880896e6430..5df2154b2c3 100644 --- a/src/vnet/ip/ip4_input.h +++ b/src/vnet/ip/ip4_input.h @@ -290,6 +290,9 @@ ip4_input_check_x1 (vlib_main_t * vm, check_ver_opt_csum (ip0, &error0, verify_checksum); + if (PREDICT_FALSE (ip0->ttl < 1)) + error0 = IP4_ERROR_TIME_EXPIRED; + /* Drop fragmentation offset 1 packets. */ error0 = ip4_get_fragment_offset (ip0) == 1 ? IP4_ERROR_FRAGMENT_OFFSET_ONE : error0; |