diff options
| author |   liuyacan <liuyacan@corp.netease.com> | 2021-06-29 16:45:11 +0800 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2021-06-29 15:32:49 +0000 |
| commit | 3871bd3a07dfc775c29ea333d10c05ced2fea80e (patch) | |
| tree | 4b48cc0eff3cc042dbed6b37f09e1a9a2111238e | |
| parent | fa3884f8a1cf5493dd7733404811b63ee9c1e4d9 (diff) | |
tcp: add ACK flag to RST packet
According to RFC 793, the ACK control bit is always sent once
the connection is established.
Type: fix
Signed-off-by: liuyacan <liuyacan@corp.netease.com>
Change-Id: Id0fe19114a0cc468dbce4c0938b345c2ac339e73
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index 0ba349c2a62..5690db02ee2 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -766,7 +766,7 @@ tcp_send_reset (tcp_connection_t * tc) tc->snd_opts_len = tcp_make_options (tc, &tc->snd_opts, tc->state); tcp_hdr_opts_len = tc->snd_opts_len + sizeof (tcp_header_t); advertise_wnd = tc->rcv_wnd >> tc->rcv_wscale; - flags = TCP_FLAG_RST; + flags = TCP_FLAG_RST | TCP_FLAG_ACK; th = vlib_buffer_push_tcp (b, tc->c_lcl_port, tc->c_rmt_port, tc->snd_nxt, tc->rcv_nxt, tcp_hdr_opts_len, flags, advertise_wnd); |