It is possible to setup your web filter policies so that Twitter is blocked whilst specific Twitter feeds can still be accessed. This will require a HTTPS Decrypt and Inspect policy to be configured otherwise this guide will not work as expected.
You would like to block access to the Twitter social network whilst allowing access to a single feed (or selected feeds).
- twitter.com/smoothwall (Change this as appropriate)
- Who: Everyone*
- What: Allowed Twitter feeds
- Where: Everywhere*
- When: Always*
- Action: Whitelist
* Change as appropriate
- Move your newly created policy towards the top of the policy table so that it is placed above any blocks for 'Social Networking Sites' and 'Image Hosting: Unmoderated'.