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Date:      Mon, 14 May 2007 12:20:41 -0700
From:      Chuck Swiger <cswiger@mac.com>
To:        Juan Sosa <sosa@dambala.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Make a jail visible in different networks
Message-ID:  <08BFAA76-73AF-4087-9AAB-9ACE0359C4AF@mac.com>
In-Reply-To: <4648B3E5.5060707@dambala.net>
References:  <46489CC7.9010704@dambala.net> <6AE855F0-4114-4447-B621-387468BEB366@mac.com> <4648B3E5.5060707@dambala.net>

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On May 14, 2007, at 12:09 PM, Juan Sosa wrote:
>> There are a number of approaches: the simplest involve either  
>> adding static routes between your 10.5.1/24 subnet and your  
>> 192.168.1/24 subnet, or setting up additional VPN endpoint on the  
>> 192.168.1/24 network, or using NAT to map the jail IP onto the  
>> 10.5.1/24 netblock.
>>
>> Without knowing your topology, it's hard to make more specific  
>> recommendations.
>>
> So sorry for my duplicated message.

No harm done.  It's just that sometimes people get a little  
enthusiastic about trying to get quick responses.  :-)

> In my network, 192.168.1.1 xl0 is linked to other remote server  
> through tun0 with (routed)openvpn. As I said before, I'm also  
> running mpd4 listening on ng0, and a jail with samba services on  
> 192.168.1.10 xl0 alias.
>
> Openvpn link is formed by 192.168.1.1 (10.5.1.1) and the remote  
> server (10.5.1.2). The PPTP ng0 interface has 10.5.1.201.
>
> Maybe a ipfw ruleset on 192.168.1.1  could do the trick?

You could use ipfw+natd to map between your 192.168 and 10.5  
networks, yes.  However, if the only reason you have your 10.5  
network around is to terminate your VPN or PPTP sessions, it sounds  
like it would be easier to simply move them to terminating on the  
192.168 network instead.

Maybe you've got more going on with the 10.5 network, or maybe there  
are other reasons for the split, but you control your internal  
address space, so if you want everybody using the VPN to be able to  
talk to various 192.168 addresses, it's better to set up the VPN to  
go onto that, IMHO...

-- 
-Chuck




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