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From: "Tim Nelson" <[email protected]>
Sent: Friday, August 14, 2009 1:47 PM
To: <[email protected]>
Subject: Re: [pfSense Support] Firewall Rules for Dynamic Host
----- "Curtis LaMasters" <[email protected]> wrote:
On Fri, Aug 14, 2009 at 12:20 PM, Tim Nelson<[email protected]>
wrote:
> Greetings all-
>
> I have a situation where I need to have firewall rules for a
particular host that has a dynamic IP address(PPPoE ADSL).
Unfortunately, getting a static IP is cost prohibitive at this point.
When there is a power outage or after x number of days, the IP address
changes on the connection. My thought was to write a script that would
automagically check for the public IP, and if it is changed, then
update the firewall rule using curl to submit the form and then reload
the rules. Is there a better way to do this or any unforseen caveats
to doing it the way I described?
>
> Tim Nelson
> Systems/Network Support
> Rockbochs Inc.
> (218)727-4332 x105
>
>
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Unless I am not understanding this, if you were to just put WAN
Address as the rule destination instead of specifying the actual IP,
it would fix the issue. Right?
Curtis LaMasters
http://www.curtis-lamasters.com
http://www.builtnetworks.com
In my pre-lunch haze of hunger, I probably wasn't as clear as I should
have been. :-)
The box running pfSense by default denies all traffic to it's protected
hosts. However, I want to allow traffic from a specific host that has a
dynamic IP to the protected hosts behind the pfSense box. Since this IP
changes on occasion, I need a way to update the firewall rules with the
new IP so it will have proper unrestricted access.
Tim Nelson
Systems/Network Support
Rockbochs Inc.
(218)727-4332 x105
would using something like dyndns at the dynamic IP help any?
-Sean
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