Re: Security implication of using force-reload instead of restart ?

2011-01-09 Thread Paul Wise
The same problem occurs with all libraries and is really the
responsibility of the sysadmin to deal with. Install debian-goodies
and run checkrestart after every relevant upgrade. For desktop users
the upgrade software can help, for example PackageKit:

http://blogs.gnome.org/hughsie/2007/08/23/packagekit-requiring-a-restart/

-- 
bye,
pabs

http://wiki.debian.org/PaulWise


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Re: Security implication of using force-reload instead of restart ?

2011-01-09 Thread Stefan Fritsch
On Sunday 09 January 2011, Nikita V. Youshchenko wrote:
 I've just noticed that on libapache2-mod-php5 package upgrade,
 apache server was not restartted (but only HUPed because of
 force-reload called from libapache2-mod-php5 postinst)
 
 Doesn't this mean that running apache has still old version of php
 module loaded, so it still is vulnerable to issues fixed in php
 update?

No. Apache unloads and reloads modules on a graceful restart, unless a 
modules takes special measures to prevent that. You can check that 
with lsof or checkrestart. But libapache2-mod-php5's behaviour is not 
optimal for other reasons (see #589386).

 Is this a severity serious bug?
 Perhaps same situation exists with other package combinations as
 well?

Normally I recommend using restart in module packages. Maintainer of 
module packages should check the behaviour of their module before 
deviating from that.


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Re: Security implication of using force-reload instead of restart ?

2011-01-09 Thread Olaf van der Spek
On Sun, Jan 9, 2011 at 10:14 AM, Stefan Fritsch s...@sfritsch.de wrote:
 No. Apache unloads and reloads modules on a graceful restart, unless a
 modules takes special measures to prevent that. You can check that
 with lsof or checkrestart. But libapache2-mod-php5's behaviour is not
 optimal for other reasons (see #589386).

Shouldn't libapache2-mod-php5 be deprecated in favor of PHP via
FastCGI anyway? Would avoid this and other issues.

Olaf


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Re: Security implication of using force-reload instead of restart ?

2011-01-09 Thread Stefan Fritsch
On Sunday 09 January 2011, Olaf van der Spek wrote:
 On Sun, Jan 9, 2011 at 10:14 AM, Stefan Fritsch s...@sfritsch.de 
wrote:
  No. Apache unloads and reloads modules on a graceful restart,
  unless a modules takes special measures to prevent that. You can
  check that with lsof or checkrestart. But libapache2-mod-php5's
  behaviour is not optimal for other reasons (see #589386).
 
 Shouldn't libapache2-mod-php5 be deprecated in favor of PHP via
 FastCGI anyway? Would avoid this and other issues.

mod_php won't go away quickly. But having an out-of-the box usable 
php+fastcgi configuration in squeeze+1 would be nice. Volunteers 
welcome ;-)


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Re: Security implication of using force-reload instead of restart ?

2011-01-09 Thread Olaf van der Spek
On Sun, Jan 9, 2011 at 5:31 PM, Stefan Fritsch s...@sfritsch.de wrote:
 Shouldn't libapache2-mod-php5 be deprecated in favor of PHP via
 FastCGI anyway? Would avoid this and other issues.

 mod_php won't go away quickly.

Why not?

 But having an out-of-the box usable
 php+fastcgi configuration in squeeze+1 would be nice. Volunteers
 welcome ;-)

Olaf


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