Commit 8f5bd990 authored by Willy Tarreau's avatar Willy Tarreau Committed by David S. Miller

[NETFILTER]: TCP conntrack: accept RST|PSH as valid

This combination has been encountered on an IBM AS/400 in response
to packets sent to a closed session. There is no particular reason
to mark it invalid.
Signed-off-by: default avatarWilly Tarreau <w@1wt.eu>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e7ac05f3
...@@ -774,6 +774,7 @@ static u8 tcp_valid_flags[(TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG) + 1] = ...@@ -774,6 +774,7 @@ static u8 tcp_valid_flags[(TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG) + 1] =
[TH_SYN|TH_ACK] = 1, [TH_SYN|TH_ACK] = 1,
[TH_SYN|TH_ACK|TH_PUSH] = 1, [TH_SYN|TH_ACK|TH_PUSH] = 1,
[TH_RST] = 1, [TH_RST] = 1,
[TH_RST|TH_PUSH] = 1,
[TH_RST|TH_ACK] = 1, [TH_RST|TH_ACK] = 1,
[TH_RST|TH_ACK|TH_PUSH] = 1, [TH_RST|TH_ACK|TH_PUSH] = 1,
[TH_FIN|TH_ACK] = 1, [TH_FIN|TH_ACK] = 1,
......
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