Whitelist an IP to allow our PHP form to feed live data

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I am working in a call centre where have a online contact form, when it submits it sends the data directly to the dialler and is then called almost instantly by our agents.

The problem we have is recently our dialler got hacked and we had to increase our security. We had to whitelist any IP addresses that wanted to access it externally.

Since this has happened the form does not send any data in to the dialler.

The website is hosted on Namesco. We have whitelisted the IP address for the Namesco server (where I assume the PHP script is run) and also the IP address for our website where the form is hosted.

None of the above has solved the issue. We now have no idea on what IP address to whitelist on the router to enable the form to start feeding the data in to the dialler again.

We have contacted the company who supplies us with the dialler and they responded - "You will need to allow any external access through to your server form the outside world on the server itself".

We have no idea what to do fix the issue. All help or advice is highly appreciated.

Thanks, James
 
Joined
Sep 21, 2007
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So what you are saying is that the contact form sends a phone number to a 'dialer' , and a help desk agent places a call to that phone number?

You say your dailer got hacked. What did the attacker do? How did you know that dailer component got hacked?

Usually, it would be a PHP component that gets hacked. I would look into the contact form page and how the PHP script handles data from the form. Are all inputs from the form sanitized and verified ?
 

Ent

Josiah
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Apr 11, 2009
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If you control the machine which the dialer is installed on, the easiest way to find out is to try it and see.
I mean, open it up to any IP for the moment, install wireshark or equivalent, and see where the packets come from.
 
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