Nate Silva

Nov 04 2008

How to get iChat video chat working behind a SonicWALL firewall

We couldn’t get iChat’s video chat feature to work behind our SonicWALL PRO 3060 firewall. Whenever someone tried to connect, iChat would say it “did not receive a response.”

The solution was to enable the SonicWALL’s “consistent NAT” feature. To do this:

  1. Log in to the SonicWALL administrative web page.
  2. From the menu at the left side of the page, choose VoIP (which stands for voice-over-IP).
  3. In VoIP > Settings check the box that says “Enable consistent NAT.”
  4. Click Apply.

That was all we needed to do to enable a user on a Verizon 3G card to video conference with a user on our internal LAN.

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