diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-12-12 23:31:33 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2018-12-13 14:41:22 +0000 |
| commit | 2e7e6ae11f96bb7c92c94c332b4b4d3786157829 (patch) | |
| tree | b43200f19821531fdb61bee6ac3708b0cb929793 | |
| parent | 21bb9af16e5fc1fd2ddf811f2a8011c973a20852 (diff) | |
tcp: drop handshake ack with fin set
Change-Id: I529c34235ad2b0e4c730959bb1b8c9d50a83738c
Signed-off-by: Florin Coras <fcoras@cisco.com>
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index fc1aff40747..94dcaaf9eda 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -2727,7 +2727,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } /* Make sure the ack is exactly right */ - if (tc0->rcv_nxt != vnet_buffer (b0)->tcp.seq_number) + if (tc0->rcv_nxt != vnet_buffer (b0)->tcp.seq_number || is_fin0) { error0 = TCP_ERROR_SEGMENT_INVALID; tcp_send_reset_w_pkt (tc0, b0, is_ip4); |