DNSSEC, firewall and IP addresses in itslearning

We direct all our traffic through Cloudflare thus we don't use a fixed ip range.

Cloudflare well known cloud service for web performance and security https://www.cloudflare.com/. It also protects against attacks like distributed denial-of-service (DDoS).

How can a firewall be set up to open only for itslearning?

Since a fixed ip range cannot be used, the firewall needs to be set up using DNSSEC. 

The following two domains cover the main itslearning application:

*.itslearning.com

oembeditslearning.com

iOS Requirements

Since iOS does not support wildcard entries (*), the root domain and any required subdomains must be added individually.
We reccommend that you actively look at your firewall logs to indentify the domains you need to whitelist but some known domains you should cover is:

itslearning.com

oembeditslearning.com

<sitename>.itslearning.com

assignment.itslearning.com

platform.itslearning.com

page.itslearning.com

survey.itslearning.com

registration.itslearning.com
testtool.itslearning.com

cdn.itslearning.com

filerepository.itslearning.com

signalr.itslearning.com

eu1oosl.itslearning.com

Microsoft Office Online

The following domains are required for Microsoft Office Online editing and viewing functionality:

Editing

word-edit.officeapps.live.com

officeapps.live.com

*.officeapps.live.com

Viewing

euc-word-view.officeapps.live.com

Additional Required Microsoft Domains

amcdn.msftauth.net

js.monitor.azure.com

res.public.onecdn.static.microsoft

storage.live.com

Customer third party products
Some customers use additional third party products, and if those should be accessible during the exam as well, they may need to be allowed by the firewall as well. 

We always recommend our customers to test that everything works ahead of time before exams.