Re: Upgrading FreeBSD to use the NEW pf syntax. (Copied from

Olivier Smedts wrote:
> 2012/11/20 Gary Palmer <gpalmer@freebsd.org>:
>> On Tue, Nov 20, 2012 at 11:43:04AM +0100, Olivier Smedts wrote:
>>> 2012/11/20 Paul Webster <paul.g.webster@googlemail.com>:
>>>> I am aware this is a much discussed subject since the upgrade of PF, I
>>>> believe the final decision was that to many users are used to the old
>>>> style pf and an upgrade to the new syntax would cause to much confusion.
>>> But a change like this is expected in a new major branch, ie.
>>> 10-CURRENT. Not so in -STABLE branches of course. I don't see the
>>> problem here.
>> So you don't expect people to upgrade boxes in place?
> 
> I expect that before upgrading to a *major* version you should read an
> updating or "what's changed" documentation.
> 
>> I also guess you've never been 5,000 miles away from a box and typo'd something
>> in the firewall and locked yourself out.  The think how tons of FreeBSD
>> users would feel if the default pf syntax was changed to be incompatible and
>> they find themselves in a similar situation after an upgrade.  Defaulting to
>> open, while it could solve the problem (although I would suspect there could
>> be edge cases where it doesn't), could be bad for other reasons.
> 
> This already happened to me but, no, not during a major upgrade
> because I won't do this kind of work without at least someone on-site.
> 
>> The other question that I haven't seen answered (or maybe even asked), but
>> is relevant: what do we gain by going to a later version of pf?  I.e. as an
>> administrator, what benefit do I get by having to expend effort converting
>> my filter rules?
>>
>> Gary
> 
> At some time we'll surely *have* to upgrade our pf, because the legacy
> version won't be supported upstream. I say that a major release is the
> most appropriated place for such a change.
> 
> Another question : how did OpenBSD managed this change ?
> 
> Cheers
> 

Hay I have been down this road myself. It's no longer possible to just 
re-port the current OpenBSD version of PF to FreeBSD. The FreeBSD 
version has been rewritten. Read all the threads shown in this post for 
all the gory details.

[HEADS UP] merging projects/pf into head

http://lists.freebsd.org/pipermail/freebsd-pf/2012-September/006740.html

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