Traveling in China

My FreePBX is behind a pfsense firewall.

I’ve had to lock down my system for security, whitelisting only a few IP’s, but I’m traveling in China next week and want to be able to connect.

Looking for the best strategy to allow me to connect without getting nailed by the 'bots.
Any suggestions?

PBX Firmware: 1.813.210.58-1
PBX Service Pack:

Get the Sysadmin Pro module and set up a VPN connection. Use that on the VOIP software on your cell phone.

If you don’t care about the toll charges, you can also dial into a DISA number and do your thing from there.