I’ve been speaking about Azure at a number of events recently. One of the biggest challenges that I have had each time is due to local firewall restrictions. Firewalls will block port 1433/1434 outbound and this a major hassle to get changed, especially for a 20 minute demo. These ports are generally restricted due to the SQL slammer and SQL snake viruses (http://www.grc.com/port_1434.htm) from a few years ago.
SQL Azure uses port 1433 for communication, for instance when connecting from man ...
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