> -----Original Message-----
> From: Arno van Amersfoort [mailto:[email protected]]
> Sent: Saturday, February 25, 2012 4:14 AM
> To: Slade, Zac; [email protected]
> Cc: [email protected]; Lonnie Abelbeck
> Subject: Re: Bug#658499: arno-iptables-firewall syntax changes
> 
> >
> > I never suggested this was a security vulnerability.  Clearly it isn't.  I 
> > think
> Julia's frustration is that when reloading the firewall rules after the 
> upgrade she
> gets a broken firewall and a WARNING message.  Is there a way to prevent
> loading of the rules entirely and preserving the original firewall state in 
> the case
> of a parsing error?  Maybe that's reaching a little; I'm just curious if that 
> might
> be a good path forward to prevent future updates from blowing away currently
> running firewalls when the administrator is unaware of configuration file
> changes (even parser fixes)?  This will happen again I'm sure(completely by
> accident).  See the history of bash for more examples(and bash upgrades are
> generally really clean).
> 
> Well, you can simply use the "check-conf" argument to test your configuration
> prior to actually applying it. Having the firewall falling back to its 
> previous
> configuration is not possible due to the way it's implemented....

Thank you Arno I'll  be adding check-conf to my toolbox!

I can't speak for Julia, but it appears that you've addressed this bug fully 
and there is nothing left to gain by keeping it open.

Thank you again,
Zac Slade


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