Office 365 installation / communication issues, with Cisco IOS router and Trustwave Webmarshal.

Solved a problem with a Cisco IOS router in combination with office365. In the situation they used a proxy server from Trustwave Webmarshal. On the cisco router was configured that port 80 and 443 for users were denied so the users had to use the proxy server to go online. Webmarshal configuration: Needed information for…