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Opt-in Port Blocking

Information For Users Of The Service Catalogue

The University IT Service Catalogue will be decommissioned in the Summer of 2021. This website is no longer being maintained.  

For the most up-to-date information regarding IT Services at the University of Cambridge, please visit:

This service manages opt-in port blocking on behalf of University institutions.

Features and Benefits

Features & Benefits 
  • option for institutions to opt-in or out
  • institutions are able to gain the security benefits without compromising their work
  • clear academic benefits for activities such as P2P communications
  • provides all necessary security without obstructing network benefits, eg communication

How Much Does It Cost?

How much does it cost? 

This service is free of charge and is part and parcel with network configuration.

How Do I Get This Service?

How do I get this service? 

Please contact the service desk with any service requests.

Contact details can be found under the Support Details & Contact Information tab.

How Quickly Can I Get This Service?

How quickly can I get this service? 

Normally within three working days.

Support Details & Contact Information

Support Details & Contact Information 

If you need support, please contact the team during normal working hours*:

Tel: 01223 332999

A response will also be sent during normal working hours.

*For opening times please see Supported Service Hours

Available Service Hours

When is this service available? 

The service runs 24/7 365 days per year.

Supported Service Hours

Supported Service Hours 

Support is available during normal UIS Service Desk hours:

The service is supported:

Monday - Friday: 8.30am - 5pm

(excluding UK Bank Holidays and University closures)

Service supplier