Search domains in our environment (Proposal)

Mike McGrath mmcgrath at
Thu Dec 20 01:24:09 UTC 2007

seth vidal wrote:
> On Wed, 2007-12-19 at 18:54 -0500, Anand Capur wrote:
>>         The reason for all of this is the firewall in place at the PHX
>>         colo. If
>>         that wasn't there we wouldn't need any of the games at all. We
>>         could 
>>         just have be resolveable from anywhere
>>         and
>> just mean 'go over the vpn to get to
>>         it'. 
>>         seth 'big fan of simple networking' vidal
>>         -sv
>> +1, but do we still need the firewall for other things?
> So the firewall is something that came with the space. It's red hat's
> firewall and I don't think we have any choice for the hosts inside phx.
> In general, I'm a much bigger fan of hosts-based firewalling and
> clamping down on exposure paths that way than an edge firewall for a
> network. In this case it would also make our setup a good bit simpler if
> we didn't have the edge firewall at all.

Just so my stance on this is also public.  In general I also agree that 
it is good to remove the PHX firewall from the mix.  The biggest being 
IP space.  (think about the builders and such).  There's also a firewall 
there that we could re-implement ourselves.  While long term I do want 
to re-think our interactions with PHX but I can't say for sure exactly 
what that will be.  If, for example, we got funding to host all 
non-buildsystem stuff in our new German colo, many of these problems 
might go away.

I'd very much like to research the alternatives but for now I think the 
search domain method would suit us well.


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