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Re: sources.list 's security line

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On Mon, Sep 06, 2021 at 11:42:52AM +0100, Brian wrote:
> On Mon 06 Sep 2021 at 06:53:25 -0300, riveravaldez wrote:
> > after reading the various sources of documentation (handbook,
> > wiki, FAQs, Release Notes, etc.) I think I'm finding myself with
> > kinda four options for the security line in /etc/apt/sources.list
> > Those being:
> > 
> > deb http://security.debian.org/debian-security bullseye-security main
> > 
> > deb http://security.debian.org bullseye-security main
> > 
> > deb https://deb.debian.org/debian-security bullseye-security main
> > 
> > deb http://security.debian.org testing/updates main
> 
> The first and the third are legitimate lines. I am unsure about the
> other two, particulary the last one.

The fourth one is definitely wrong, because the repository changed
from foo/updates to foo-security during the bullseye release cycle.

The second one *appears* to work, or at least, I get something that
doesn't look totally wrong when I paste http://security.debian.org
and bullseye-security into a browser's URL bar, and then put /dists/
in between them.

But that doesn't make it a good idea to use the second one, because
who knows whether it will continue working into the future.

Also, there's the wee little fact that testing is no longer a synonym
for bullseye, and therefore even if the fourth one *did* work, it
wouldn't be equivalent to the other three.

So, that really leaves us with two:

  deb http://security.debian.org/debian-security bullseye-security main

  deb https://deb.debian.org/debian-security bullseye-security main

The difference between these two is which mirror network (and really,
which mirroring *paradigm*) is used.  The first one uses a DNS round
robin that points to a rather limited set of servers, easily overloaded
when there's a huge security update (e.g. a kernel).

The other one uses the deb.debian.org infrastructure with its fancy DNS
SRV records and so on.  See <http://deb.debian.org/> for details.

I'm not sure when debian-security got added to the deb.debian.org
infrastructure; it's pretty new, I think.  Thus, a lot of people may
not even know that it's an option.

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sources.list 's security line riveravaldez <riveravaldezmail@gmail.com> - 2021-09-06 12:00 +0200
  Re: sources.list 's security line "Andrew M.A. Cater" <amacater@einval.com> - 2021-09-06 12:10 +0200
    Re: sources.list 's security line Brian <ad44@cityscape.co.uk> - 2021-09-06 12:30 +0200
      Re: sources.list 's security line Brian <ad44@cityscape.co.uk> - 2021-09-06 13:40 +0200
  Re: sources.list 's security line Brian <ad44@cityscape.co.uk> - 2021-09-06 12:50 +0200
    Re: sources.list 's security line Toni Mas Soler <antomassol@protonmail.com> - 2021-09-06 13:00 +0200
    Re: sources.list 's security line Greg Wooledge <greg@wooledge.org> - 2021-09-06 14:40 +0200
      Re: sources.list 's security line Brian <ad44@cityscape.co.uk> - 2021-09-06 15:20 +0200
      Re: sources.list 's security line Brian <ad44@cityscape.co.uk> - 2021-09-06 19:10 +0200
  Re: sources.list 's security line Steve Dondley <s@dondley.com> - 2021-09-06 19:10 +0200
    Re: sources.list 's security line Jim Popovitch <jim@k4vqc.com> - 2021-09-07 01:30 +0200
      Re: sources.list 's security line "Andrew M.A. Cater" <amacater@einval.com> - 2021-09-07 09:30 +0200
      Re: sources.list 's security line Lee <ler762@gmail.com> - 2021-09-08 17:00 +0200
        Re: sources.list 's security line Ulf Volmer <u.volmer@u-v.de> - 2021-09-08 20:50 +0200
          Re: sources.list 's security line Greg Wooledge <greg@wooledge.org> - 2021-09-08 21:20 +0200
            Re: sources.list 's security line Ulf Volmer <u.volmer@u-v.de> - 2021-09-08 21:40 +0200

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