I have had multiple users tell me “…website’s firewall is blocking me…” 1 sent me a screen shot that says “your connection to this server has been blocked in this server’s firewall. You need to contact your hosting provider for further information. Your blocked IP is 71.9.102.x This server host name is x.x.x”
The weird thing is all of them that I have been able to ask are using an IPhone on AT&T Wireless.