You can specify a list of URLs to be excluded from being rewritten for the selected proxy service.
Click Devices > Access Gateways > Edit > [Name of Reverse Proxy] > [Name of Proxy Service] > HTML Rewriting.
Click the name of the Word profile defined for this proxy service.
If you have not defined a custom Word profile for the proxy service, you might want to create one. If you modify the default profile, those changes are applied to all proxy services.
In the And Requested URL Is Not section, click New, then specify the names of the URLs you do not want rewritten.
Specify each URL on a separate line.
Click OK twice.
In the HTML Rewriter Profile List, make sure the profile you have modified is enabled and at the top of the list, then click OK.
To apply your changes, click the Access Gateways link, then click Update > OK.
Select Access Gateway, then click Actions > Purge All Cache > OK.