Mailing List ecs-isp@2rosenthals.com Archived Message #1312 previous message next message back to list

From: "Peter Moylan" <ecs-isp@2rosenthals.com> Full Headers
Undecoded message
Subject: Re: [eCS-ISP] DDOS attacks and tcp/ip SYNCOOKIE flag
Date: Fri, 6 Feb 2026 10:50:15 +1100
To: eCS ISP Mailing List <ecs-isp@2rosenthals.com>

On 06/02/26 06:07, Massimo S. wrote:
Il 04/02/2026 14:30, Ian Manners ha scritto:

to mitigate the effects of DDOS attacks (eg. the ones on port 80 and
443) it is
suggested to turn ON syncookie tcp/ip flag.

syncookie is broken on OS/2's implementation, do not turn it on.

and there are no plans to fix this?

You could try asking Microsoft to release the source code.

--
Peter Moylan                  peter@pmoylan.org
http://www.pmoylan.org
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