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Groups > linux.debian.user > #265220

Re: Help: network abuse

From Dan Ritter <dsr@randomstring.org>
Newsgroups linux.debian.user
Subject Re: Help: network abuse
Date 2023-12-24 01:40 +0100
Message-ID <HOkH7-fHdo-3@gated-at.bofh.it> (permalink)
References <HNqbT-f5lB-5@gated-at.bofh.it> <HNzId-fb2a-5@gated-at.bofh.it> <HO6ut-fySn-9@gated-at.bofh.it> <HOfo5-fE1x-5@gated-at.bofh.it>
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David Christensen wrote: 
> Does Debian and/or Linux support SYN cookies?

Yes.

Put

net.ipv4.tcp_syncookies=1

in an appropriate sysctl.d/ file.

To check on current settings:

sysctl -n net.ipv4.tcp_syncookies

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Thread

Help: network abuse Alain D D Williams <addw@phcomp.co.uk> - 2023-12-21 13:20 +0100
  Re: Help: network abuse Tim Woodall <debianuser@woodall.me.uk> - 2023-12-21 13:50 +0100
    Re: Help: network abuse <tomas@tuxteam.de> - 2023-12-21 16:00 +0100
    Re: Help: network abuse gene heskett <gheskett@shentel.net> - 2023-12-21 21:10 +0100
  Re: Help: network abuse Dan Purgert <dan@djph.net> - 2023-12-21 13:50 +0100
  Re: Help: network abuse Greg Wooledge <greg@wooledge.org> - 2023-12-21 14:00 +0100
    Re: Help: network abuse Alain D D Williams <addw@phcomp.co.uk> - 2023-12-21 14:20 +0100
      Re: Help: network abuse Andy Smith <andy@strugglers.net> - 2023-12-21 14:50 +0100
        Re: Help: network abuse Alain D D Williams <addw@phcomp.co.uk> - 2023-12-21 16:00 +0100
          Re: Help: network abuse Pocket <pocket@columbus.rr.com> - 2023-12-21 16:20 +0100
            Re: Help: network abuse Alain D D Williams <addw@phcomp.co.uk> - 2023-12-21 16:30 +0100
              Re: Help: network abuse Pocket <pocket@columbus.rr.com> - 2023-12-21 16:40 +0100
                Re: Help: network abuse Alain D D Williams <addw@phcomp.co.uk> - 2023-12-21 17:00 +0100
                Re: Help: network abuse Jeffrey Walton <noloader@gmail.com> - 2023-12-21 17:10 +0100
                Re: Help: network abuse Pocket <pocket@columbus.rr.com> - 2023-12-21 17:50 +0100
                Re: Help: network abuse Alain D D Williams <addw@phcomp.co.uk> - 2023-12-21 19:10 +0100
                Re: Help: network abuse Pocket <pocket@columbus.rr.com> - 2023-12-21 19:10 +0100
              Re: Help: network abuse debian-user@howorth.org.uk - 2023-12-21 19:20 +0100
            Re: Help: network abuse Peter Hillier-Brook <phb@hbsys.plus.com> - 2023-12-21 19:20 +0100
      Re: Help: network abuse Michel Verdier <mv524@free.fr> - 2023-12-21 15:50 +0100
  Re: Help: network abuse David Christensen <dpchrist@holgerdanske.com> - 2023-12-21 23:30 +0100
    Re: Help: network abuse Tim Woodall <debianuser@woodall.me.uk> - 2023-12-23 10:30 +0100
      Re: Help: network abuse David Christensen <dpchrist@holgerdanske.com> - 2023-12-23 20:00 +0100
        Re: Help: network abuse Tim Woodall <debianuser@woodall.me.uk> - 2023-12-23 23:00 +0100
          Re: Help: network abuse Pocket <pocket@columbus.rr.com> - 2023-12-23 23:30 +0100
        Re: Help: network abuse Dan Ritter <dsr@randomstring.org> - 2023-12-24 01:40 +0100
          Re: Help: network abuse David Christensen <dpchrist@holgerdanske.com> - 2023-12-24 04:00 +0100
        Re: Help: network abuse Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2023-12-24 07:20 +0100
          Re: Help: network abuse David Christensen <dpchrist@holgerdanske.com> - 2023-12-24 09:20 +0100

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