On Tue, 10 Nov 2020 08:32:52 +0100 Eric Dumazet wrote:
> On Tue, Nov 10, 2020 at 1:16 AM Mao Wenan wrote:
> > When net.ipv4.tcp_syncookies=1 and syn flood is happened,
> > cookie_v4_check or cookie_v6_check tries to redo what
> > tcp_v4_send_synack or tcp_v6_send_synack did,
> > rsk_window_clamp
On Tue, Nov 10, 2020 at 1:16 AM Mao Wenan wrote:
>
> When net.ipv4.tcp_syncookies=1 and syn flood is happened,
> cookie_v4_check or cookie_v6_check tries to redo what
> tcp_v4_send_synack or tcp_v6_send_synack did,
> rsk_window_clamp will be changed if SOCK_RCVBUF is set,
> which will make
When net.ipv4.tcp_syncookies=1 and syn flood is happened,
cookie_v4_check or cookie_v6_check tries to redo what
tcp_v4_send_synack or tcp_v6_send_synack did,
rsk_window_clamp will be changed if SOCK_RCVBUF is set,
which will make rcv_wscale is different, the client
still operates with initial
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