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3733be14a3
Different namespace application might require different time period in
second to disable Fastopen on active TCP sockets.
Tested:
Simulate following similar situation that the server's data gets dropped
after 3WHS.
C ---- syn-data ---> S
C <--- syn/ack ----- S
C ---- ack --------> S
S (accept & write)
C? X <- data ------ S
[retry and timeout]
And then print netstat of TCPFastOpenBlackhole, the counter increased as
expected when the firewall blackhole issue is detected and active TFO is
disabled.
# cat /proc/net/netstat | awk '{print $91}'
TCPFastOpenBlackhole
1
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|---|---|---|
| .. | ||
| can.h | ||
| conntrack.h | ||
| core.h | ||
| dccp.h | ||
| generic.h | ||
| hash.h | ||
| ieee802154_6lowpan.h | ||
| ipv4.h | ||
| ipv6.h | ||
| mib.h | ||
| mpls.h | ||
| netfilter.h | ||
| nftables.h | ||
| packet.h | ||
| sctp.h | ||
| unix.h | ||
| x_tables.h | ||
| xfrm.h | ||