Scenario: A Citrix Engineer has created a default admin user with username Admin1 and password `nsroot' for the tenant example-online. However, the tenant administrator is unable to log in as username Admin1 and password `nsroot'.
Which action resolves this problem?

A Citrix Engineer observes the following event in the ns.log:
Aug 3 11:55:58 <local0.info> 10.248.64.10 08/03/2015:15:55:58 GMT ATL0NS01 0-PPE-1: default APPFW APPFW_STARTURL 406856 0: 10.248.13.13 11152-PPE1 LG+hd4LkcYiOyQVWvOTsCtSyiv00001 SPI Disallow illegal URL: https://training.citrix.com/login <blocked> Which Application Firewall profile has blocked the URL?

What should a Citrix Engineer do when using the Learn feature for Start URL relaxation?

Which media-character can be used as an escape character and also can qualify a Meta-Character as literal when used before any character?

A Citrix Engineer needs to write a regular expression to treat the URL www.citrix.com as a literal string.
Which regular expression can the engineer use?