Solution #00006223
Scope:
Applies to all Barracuda Web Filter appliances on all versions of firmware when using Kerberos authentication.
Answer:
Procedure:
1) In the Web Filter web interface, navigate to Advanced>Proxy.
2) Towards the bottom of the page, under Regular Expressions, click Bulk Edit.
3) Add the following entries to the Bulk Edit screen:
^(.*\.)?apple\.com:443,Yes
^http://([^:/]*\.)?apple\.com/.*$,Yes
^http://([^:/]*\.)?verisign\.com/.*$,Yes
^(.*\.)?verisign\.com:443,Yes
^(.*\.)?mzstatic\.com:443,Yes
^http://([^:/]*\.)?mzstatic\.com/.*$,Yes
4. Click Save.
5. Under Header, click Bulk Edit & add the following:
User-Agent,iTunes*,Yes
6. Click Save.
7. Open iTunes and navigate to the iTunes store. You should no longer be prompted for credentials.
Link to this page:
https://campus.barracuda.com/solution/501600000013LaZAAU