I was just wondering about that myself, I haven't done any VPN'ing 
myself ever and I would have to look at it but I know that smoothwall 
has the capability. That may be the easiest thing to do or hardest...:) 
I will definately look into that thanx for the idea.

Evan
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> Why not use a VPN?  This way the client always uses the internal IP?
>
> Just a thought.
>
> Cheers,
>
>
> Evan Brown wrote:
>   
>> There is no orange zone, we have 1 windows server that handles dhcp, 
>> source safe ( source code control ) and dev databases. When we are all 
>> in the office this isn't a big deal but when we have to go out of the 
>> province or whatever to install software or whatever we have to use 
>> source offsite which interacts with our source safe install. Before we 
>> can go offsite you have to do a get on all the source you will be 
>> working on thru source offsite because we've discovered that it causes 
>> problems if we use source safe's client and just try to switch to source 
>> offsite's client. They play together but they don't like to be swapped 
>> around. Source offsite was originally registered to a certain ip and it 
>> uses that to create some ID that is used when it locks code for check 
>> out or whatever. If we check things out locally with offsite and hit the 
>> server from 192.168.xxx.xxx then the ID is different when we hit it from 
>> the red zone 205.xxx.xxx.xxx  sooo we need to be able to hit that red 
>> zone ip from the green to get around these problems. I know next to 
>> nothing about configuring iptables and need a fairly hand holding 
>> experiance. I've been cruising around the forum form smoothwall and 
>> google and I came up with that example but I'm not sure about it does or 
>> where in the file I insert it.
>>
>> Evan
>>
>>     
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>>> Its funny I am having the same issue with one of my clients (only they
>>> have an expensive Sonicwall appliance).  The solution for them was to
>>> have a host entry on the proxy server point to the internal IP, which
>>> worked fine as theirs was a web app.
>>>
>>> For you, the iptables code below looks like it might work, but iptables
>>>  can mangle the packets which may still break your application (if there
>>> is some sort of encryption or authentication key, NAT may be of no
>>> help), I would need more information about your specific needs to be
>>> able to help.  Do you have an Orange (DMZ) network set up?  This might
>>> not be a bad approach, if this app resides in the DMZ, then everyone
>>> sees the same IP.  Actually this is the point of a DMZ.
>>>
>>> On another, mostly unrelated note, I have been impressed with pfsense
>>> (http://www.pfsense.org) a fork of MoNoWall, but pf is a different beast
>>> from iptables altogether (it is the BSD equivalent to netfilter aka
>>> iptables).
>>>
>>> Evan Brown wrote:
>>>   
>>>       
>>>> I found this on the smoothwall site in the forums and since I know 
>>>> nothing about iptables, does this look like it will work?
>>>>
>>>> /Hi, i download and install Smoothwall 2 Express , only test the smooth. 
>>>> with
>>>> a green and orange configuration ISDN and DSL is disable , via web 
>>>> administration put forwardings from GREEN to ORANGE zone and these rules 
>>>> not working , via ssh execute iptables -t nat -L and i dont view my 
>>>> rule.... but if i edit
>>>> the rc.firewall.up and put manually the rules
>>>>
>>>> "/sbin/iptables -t nat -A PREROUTING -p tcp -i $GREEN_DEV -d 10.1.1.229 
>>>> --dport 23 -j DNAT --to 192.168.77.2:23 "
>>>> "/sbin/iptables -A FORWARD -p tcp -i $ORANGE_DEV -d 192.168.77.2 --dport 
>>>> 23 -j ACCEPT"
>>>>
>>>> /Evan
>>>>
>>>> the forward work and when execute iptables -t nat -L i view my rule, and 
>>>> Then
>>>>     
>>>>         
>>>>> Thats the nature of the beast. I've seen this happen on a number of 
>>>>> systems, including mine -- m0n0wall.
>>>>> I don't think IPCop has this flaw though.
>>>>>
>>>>> AFAIK, there is no way around it; of course, I could just be blowing 
>>>>> smoke.
>>>>>
>>>>> Out of curiosity, why can't you just use the local IP? Why do you need 
>>>>> to use the remote one?
>>>>>
>>>>> On 9/20/06, *Evan Brown* < [EMAIL PROTECTED] 
>>>>> <mailto:[EMAIL PROTECTED]>> wrote:
>>>>>
>>>>>     Hi
>>>>>
>>>>>     I'm not sure if anyone is experienced with the Smoothwall fire
>>>>>     wall but
>>>>>     I have one setup and running well although I have a small problem
>>>>>     from a
>>>>>     usability stand point. I need to connect from my green zone to the red
>>>>>     zone using the red zone IP address. We are currently port forwarding
>>>>>     from red to green and that works fine outside of the lan but when
>>>>>     we on
>>>>>     the lan we can't hit the red zone ip. Any help would be appreciated.
>>>>>
>>>>>     Evan Brown
>>>>>
>>>>>           


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