On 21 November 2014 11:51, Piers Rowan <piers.rowan@recruitonline.com.au> wrote:
Is there a great firewall of Australia on port 80? How can one service
on port :6xxx work flawlessly and then when moved to :80 kill overseas
users?

The first random thought that enters my head is maybe the visitors are using an ISP that has some sort of transparent proxy that is filtering requests to port 80.

No idea if this will explain it or not, just a thought. 
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