Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-02-26 Thread Aurelien Jarno
Ian Jackson a écrit :
 Aurelien Jarno writes (Re: RFC3484 rule 9 active again in glibc 2.7-5.):
 An IP which uses the same IP range as your computer, as defined by the
 netmask. In short a local server which can be reached without a
 gateway.
 
 Ah.  I see.
 
 So what you mean is that it will now:
   * prefer a server in the same subnet as one of the local interfaces
 as defined by the netmask on that interface, to a server which
 is not;
   * not otherwise sort servers according to their IPv4 address
 unless specifically configured
 ?
 
 That sounds exactly right.
 
 If you mean that _for servers on some local subnet_ it will prefer to
 use servers with a longer common prefix with the interface address,
 then I think that's wrong.

It is actually what is implemented.

IP on different subnet are not sorted, IP on some local subnet are
sorted by a longer common prefix with the interface address.

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Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-02-26 Thread Ian Jackson
Aurelien Jarno writes (Re: RFC3484 rule 9 active again in glibc 2.7-5.):
 IP on different subnet are not sorted, IP on some local subnet are
 sorted by a longer common prefix with the interface address.

Err, pardon my language, but WTF ?!

What on earth is the justification for that ?

Ian.



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Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-02-24 Thread Ian Jackson
Aurelien Jarno writes (Re: RFC3484 rule 9 active again in glibc 2.7-5.):
 An IP which uses the same IP range as your computer, as defined by the
 netmask. In short a local server which can be reached without a
 gateway.

Ah.  I see.

So what you mean is that it will now:
  * prefer a server in the same subnet as one of the local interfaces
as defined by the netmask on that interface, to a server which
is not;
  * not otherwise sort servers according to their IPv4 address
unless specifically configured
?

That sounds exactly right.

If you mean that _for servers on some local subnet_ it will prefer to
use servers with a longer common prefix with the interface address,
then I think that's wrong.

So for example, my machine here has eth0 172.18.45.2/24.  You're
saying (I hope) that it would prefer 172.18.45.6 (because it's on the
subnet local to eth0) to 172.31.80.8 (which is not), which is fine.

If you're saying that it would prefer 172.18.45.6 to 172.18.45.11
because .6 has a longer common prefix with .2 than .11, then I think
that's wrong.  But that would be pretty weird so I assume that's not
what you mean.

Thanks,
Ian.



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Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-02-23 Thread Aurelien Jarno
On Fri, Feb 22, 2008 at 09:18:21PM +, Ian Jackson wrote:
 Aurelien Jarno writes (Re: RFC3484 rule 9 active again in glibc 2.7-5.):
  Upstream has committed a fix in the CVS (without telling anybody) so
  that for IPv4 addresses rule 9 is only applied when source and
  destination addresses are in the same subnet. I guess this is very close
  to the wanted behaviour reported in this bug log, so I am reassigning the
  bug back to the libc6 package. It will be closed by the next upload.
 
 I see.  Thanks for letting us know.
 
 What does `in the same subnet' mean ?
 

An IP which uses the same IP range as your computer, as defined by the
netmask. In short a local server which can be reached without a
gateway.

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 : :' :  Debian developer   | Electrical Engineer
 `. `'   [EMAIL PROTECTED] | [EMAIL PROTECTED]
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Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-02-22 Thread Ian Jackson
Aurelien Jarno writes (Re: RFC3484 rule 9 active again in glibc 2.7-5.):
 Upstream has committed a fix in the CVS (without telling anybody) so
 that for IPv4 addresses rule 9 is only applied when source and
 destination addresses are in the same subnet. I guess this is very close
 to the wanted behaviour reported in this bug log, so I am reassigning the
 bug back to the libc6 package. It will be closed by the next upload.

I see.  Thanks for letting us know.

What does `in the same subnet' mean ?

Ian.



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Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-02-12 Thread Aurelien Jarno
reassign 438179 libc6
thanks

On Mon, Jan 14, 2008 at 09:06:22PM +0100, Kurt Roeckx wrote:
 For those that didn't notice this yet, 2.7-5 reverted the change of
 2.7-4.  So testing and unstable uses rule 9 again.
 

Upstream has committed a fix in the CVS (without telling anybody) so
that for IPv4 addresses rule 9 is only applied when source and
destination addresses are in the same subnet. I guess this is very close
to the wanted behaviour reported in this bug log, so I am reassigning the
bug back to the libc6 package. It will be closed by the next upload.

-- 
  .''`.  Aurelien Jarno | GPG: 1024D/F1BCDB73
 : :' :  Debian developer   | Electrical Engineer
 `. `'   [EMAIL PROTECTED] | [EMAIL PROTECTED]
   `-people.debian.org/~aurel32 | www.aurel32.net



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Bug#438179: RFC3484 rule 9 active again in glibc 2.7-5.

2008-01-14 Thread Kurt Roeckx
For those that didn't notice this yet, 2.7-5 reverted the change of
2.7-4.  So testing and unstable uses rule 9 again.


Kurt




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