Getting 403 Error On Windows Phone

When I attempt to go on these forums on my Windows phone, I get a 403 error. But not on my N5… What is this? They are on the EXACT same WiFi network, and even more, I tethered my N5’s data to the WP and still no dice.

What gives?

Info On Device:
Carrier Sprint (CDMA)
Device Name HTC 8XT
OS Version Windows Phone 8.0.10501.127
Firmware Revision Number 3030.00.21501.651
Hardware Revision Number 0002
Radio Software Version
Radio Hardware Version 2.0.403.0
Bootloader Version 0.0.3030.00(176324)
Chip SOC Version 8930