The "403 Forbidden Error" while browsing with Safari is perhaps one of the most common errors encountered by an iPhone user. In fact, a quick search Apple's discussion forums reveals that many users ...
However, it can look different on various websites: you can see an “HTTP 403 error“, “403 Forbidden“, or “Forbidden: You don’t have permission to access this directory on this server “, etc.
Having a similar issue to you (posted a thread an hour after yours), but I turned off my relay and am still getting it. But basically anyone getting a 403 is being blocked because of DDOS mitigation.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results