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From: "Kristof Provost" <kp@FreeBSD.org>
To: "Dmitry Chagin" <dchagin@freebsd.org>
Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org,
 dev-commits-src-main@freebsd.org
Subject: Re: git: 8e1864ed0712 - main - pf: syncookie support
Date: Tue, 20 Jul 2021 18:44:40 +0200
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On 20 Jul 2021, at 12:40, Dmitry Chagin wrote:
> On Tue, Jul 20, 2021 at 08:36:54AM +0000, Kristof Provost wrote:
>> The branch main has been updated by kp:
>>
>> URL: =

>> https://cgit.FreeBSD.org/src/commit/?id=3D8e1864ed07121b479b95d7e3a593=
1a9e0ffd4713
>>
>> commit 8e1864ed07121b479b95d7e3a5931a9e0ffd4713
>> Author:     Kristof Provost <kp@FreeBSD.org>
>> AuthorDate: 2021-05-20 09:54:41 +0000
>> Commit:     Kristof Provost <kp@FreeBSD.org>
>> CommitDate: 2021-07-20 08:36:13 +0000
>>
>>     pf: syncookie support
>>
>>     Import OpenBSD's syncookie support for pf. This feature help pf =

>> resist
>>     TCP SYN floods by only creating states once the remote host =

>> completes
>>     the TCP handshake rather than when the initial SYN packet is =

>> received.
>>
>>     This is accomplished by using the initial sequence numbers to =

>> encode a
>>     cookie (hence the name) in the SYN+ACK response and verifying =

>> this on
>>     receipt of the client ACK.
>>
>>     Reviewed by:    kbowling
>>     Obtained from:  OpenBSD
>>     MFC after:      1 week
>>     Sponsored by:   Modirum MDPay
>>     Differential Revision:  https://reviews.freebsd.org/D31138
>
> NOINET6 build fails
>
LINT did too. It should be fixed in =

b972a7fa9e1e01367435a5699b71cc7b5e494fee

Best regards,
Kristof