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Re: Why does Debian allow all incoming traffic by default

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From Dan Ritter <dsr@randomstring.org>
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Subject Re: Why does Debian allow all incoming traffic by default
Date Sat, 22 Sep 2018 20:30:01 +0200
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On Sat, Sep 22, 2018 at 04:52:40PM +0200, Pascal Hambourg wrote:
> Le 22/09/2018 à 13:31, Dan Ritter a écrit :
> > On Sat, Sep 22, 2018 at 12:55:24PM +0200, Pascal Hambourg wrote:
> > > I do not see how all this replies to my question :
> 
> This comment was intended to Gene Heskett.
> 
> > > Why should only TCP inbound responses be allowed ? What about UDP-based
> > > protocols, ping replies (ICMP echo reply), ICMP error messages, and so on ?
> > 
> > Given that my entire point was that no firewall policy other
> > than "configure it yourself" will work, it's really you missing
> > the point to expect me to describe a complete firewall policy tuned
> > to your desires.
> 
> It does not matter what you entire point was, and I do not expect you to
> describe a complete firewall policy. *You* exposed a supposedly default
> firewall policy which I happened to find questionable, so I questioned it.

You should certainly find it questionable, 
 
> You would not have exposed a broken firewall policy on purpose in order to
> prove your point, would you ?

Wouldn't I?

I am explicitly describing a firewire policy for the sake of
argument, and in no way advocating it. In fact, the ENTIRE
FREAKING POINT WHICH I HAVE MADE TWICE NOW is that I am *not* 
advocating it.

Do not use this firewall policy. If Debian were to do the stupid
thing of instituting a default firewall policy other than what
it doesn't do now, I would hope for a several month long debate
in debian-developers about what it should be.

-dsr-

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Thread

Why does Debian allow all incoming traffic by default Subhadip Ghosh <subhadip.sky@gmail.com> - 2018-09-21 05:10 +0200
  Re: Why does Debian allow all incoming traffic by default Roberto C. Sánchez <roberto@debian.org> - 2018-09-21 05:30 +0200
    Re: Why does Debian allow all incoming traffic by default Subhadip Ghosh <subhadip.sky@gmail.com> - 2018-09-21 05:40 +0200
      Re: Why does Debian allow all incoming traffic by default Roberto C. Sánchez <roberto@debian.org> - 2018-09-21 05:50 +0200
        Re: Why does Debian allow all incoming traffic by default deloptes <deloptes@gmail.com> - 2018-09-21 07:10 +0200
        Re: Why does Debian allow all incoming traffic by default Subhadip Ghosh <subhadip.sky@gmail.com> - 2018-09-21 19:40 +0200
      Re: Why does Debian allow all incoming traffic by default Dan Ritter <dsr@randomstring.org> - 2018-09-21 19:10 +0200
        Re: Why does Debian allow all incoming traffic by default Subhadip Ghosh <subhadip.sky@gmail.com> - 2018-09-21 19:40 +0200
          Re: Why does Debian allow all incoming traffic by default deloptes <deloptes@gmail.com> - 2018-09-21 20:00 +0200
            Re: Why does Debian allow all incoming traffic by default Subhadip Ghosh <subhadip.sky@gmail.com> - 2018-09-21 20:10 +0200
              Re: Why does Debian allow all incoming traffic by default Brian <ad44@cityscape.co.uk> - 2018-09-21 21:40 +0200
          Re: Why does Debian allow all incoming traffic by default David Wright <deblis@lionunicorn.co.uk> - 2018-09-21 21:50 +0200
          Re: Why does Debian allow all incoming traffic by default mick crane <mick.crane@gmail.com> - 2018-09-23 01:10 +0200
            Re: Why does Debian allow all incoming traffic by default Brian <ad44@cityscape.co.uk> - 2018-09-23 20:00 +0200
              Re: Why does Debian allow all incoming traffic by default Joe <joe@jretrading.com> - 2018-09-23 23:00 +0200
                Re: Why does Debian allow all incoming traffic by default Brian <ad44@cityscape.co.uk> - 2018-09-24 00:00 +0200
        Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 09:40 +0200
          Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-22 11:20 +0200
            Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 13:00 +0200
              Re: Why does Debian allow all incoming traffic by default Dan Ritter <dsr@randomstring.org> - 2018-09-22 13:40 +0200
                Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 17:00 +0200
                Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-22 20:20 +0200
                Re: Why does Debian allow all incoming traffic by default Richard Hector <richard@walnut.gen.nz> - 2018-09-24 05:20 +0200
                Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-24 05:30 +0200
                Re: Why does Debian allow all incoming traffic by default <tomas@tuxteam.de> - 2018-09-24 09:10 +0200
                Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-24 11:00 +0200
                Re: Why does Debian allow all incoming traffic by default <tomas@tuxteam.de> - 2018-09-24 11:40 +0200
                Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-24 14:20 +0200
                Re: Why does Debian allow all incoming traffic by default Dan Ritter <dsr@randomstring.org> - 2018-09-22 20:30 +0200
                Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-22 22:20 +0200
                Re: Why does Debian allow all incoming traffic by default <tomas@tuxteam.de> - 2018-09-22 22:40 +0200
                Re: Why does Debian allow all incoming traffic by default Gene Heskett <gheskett@shentel.net> - 2018-09-22 23:20 +0200
                Re: Why does Debian allow all incoming traffic by default Simon Kengelbacher <simon.kengelbacher@mail.ch> - 2018-09-22 23:50 +0200
                Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-23 00:00 +0200
                Re: Why does Debian allow all incoming traffic by default Simon Kengelbacher <simon.kengelbacher@mail.ch> - 2018-09-23 00:20 +0200
                SSH X forwarding going awry (Was: Why does Debian allow all incoming  traffic by default) Étienne Mollier <etienne.mollier@mailoo.org> - 2018-09-23 11:40 +0200
                Re: SSH X forwarding going awry FIXED (Was: Why does Debian allow all incoming traffic by default) Gene Heskett <gheskett@shentel.net> - 2018-09-23 16:10 +0200
                Re: SSH X forwarding going awry FIXED (Was: Why does Debian allow  all incoming traffic by default) Joe <joe@jretrading.com> - 2018-09-23 23:00 +0200
                Re: SSH X forwarding going awry FIXED (Was: Why does Debian allow all incoming traffic by default) Gene Heskett <gheskett@shentel.net> - 2018-09-24 04:50 +0200
                Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-24 21:00 +0200
                Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-23 00:00 +0200
            Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-24 21:00 +0200
              Re: Why does Debian allow all incoming traffic by default Joe <joe@jretrading.com> - 2018-09-24 21:30 +0200
                Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-26 15:50 +0200
                Re: Why does Debian allow all incoming traffic by default Joe <joe@jretrading.com> - 2018-09-26 17:10 +0200
                Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-26 19:30 +0200
          Re: Why does Debian allow all incoming traffic by default Dan Purgert <dan@djph.net> - 2018-09-22 15:50 +0200
            Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 16:50 +0200
        Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-24 20:50 +0200
  Re: Why does Debian allow all incoming traffic by default Henning Follmann <hfollmann@itcfollmann.com> - 2018-09-21 15:00 +0200
    Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-21 18:30 +0200
      Re: Why does Debian allow all incoming traffic by default Brian <ad44@cityscape.co.uk> - 2018-09-21 20:20 +0200
        Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-21 20:40 +0200
          Re: Why does Debian allow all incoming traffic by default Brian <ad44@cityscape.co.uk> - 2018-09-21 21:10 +0200
          Re: Why does Debian allow all incoming traffic by default deloptes <deloptes@gmail.com> - 2018-09-21 23:20 +0200
            Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-21 23:40 +0200
              Re: Why does Debian allow all incoming traffic by default Dan Purgert <dan@djph.net> - 2018-09-22 00:10 +0200
                Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-22 09:10 +0200
                Re: Why does Debian allow all incoming traffic by default Dan Purgert <dan@djph.net> - 2018-09-22 15:50 +0200
          Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 09:50 +0200
            Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-22 12:00 +0200
              Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 13:00 +0200
                Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-22 13:30 +0200
                Re: Why does Debian allow all incoming traffic by default <tomas@tuxteam.de> - 2018-09-22 22:00 +0200
                Re: Why does Debian allow all incoming traffic by default Stefan Monnier <monnier@iro.umontreal.ca> - 2018-09-22 22:20 +0200
                Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 23:40 +0200
          Re: Why does Debian allow all incoming traffic by default Henning Follmann <hfollmann@itcfollmann.com> - 2018-09-22 12:10 +0200
            Re: Why does Debian allow all incoming traffic by default Reco <recoverym4n@gmail.com> - 2018-09-22 12:40 +0200
            Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 13:10 +0200
    netstat (was: Re: Why does Debian allow all incoming traffic by default) rhkramer@gmail.com - 2018-09-21 20:00 +0200
      Re: netstat Reco <recoverym4n@gmail.com> - 2018-09-21 20:20 +0200
        Re: netstat rhkramer@gmail.com - 2018-09-22 20:50 +0200
    Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-24 20:50 +0200
      Re: Why does Debian allow all incoming traffic by default Henning Follmann <hfollmann@itcfollmann.com> - 2018-09-24 21:30 +0200
        Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-26 15:50 +0200
  Re: Why does Debian allow all incoming traffic by default Pablo Álvarez Córdoba <pabloalvarezcordoba@protonmail.ch> - 2018-09-21 18:30 +0200
    Re: Why does Debian allow all incoming traffic by default Subhadip Ghosh <subhadip.sky@gmail.com> - 2018-09-21 19:30 +0200
  Re: Why does Debian allow all incoming traffic by default songbird <songbird@anthive.com> - 2018-09-22 00:10 +0200
    Re: Why does Debian allow all incoming traffic by default Joe <joe@jretrading.com> - 2018-09-22 09:40 +0200
      Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 10:40 +0200
        Re: Why does Debian allow all incoming traffic by default Joe <joe@jretrading.com> - 2018-09-22 13:20 +0200
          Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-22 17:10 +0200
            Re: Why does Debian allow all incoming traffic by default Joe <joe@jretrading.com> - 2018-09-23 10:50 +0200
              Re: Why does Debian allow all incoming traffic by default Pascal Hambourg <pascal@plouf.fr.eu.org> - 2018-09-27 14:00 +0200
    Re: Why does Debian allow all incoming traffic by default Jonathan Dowland <jmtd@debian.org> - 2018-09-24 20:50 +0200

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