Three’s Managed Firewall

Flexible around-the-clock protection for business

Managed Firewall

Three’s Managed Firewall pushes all Internet traffic entering your business through a single content filtering platform. This reduces the risk of viruses, malware or hackers reaching your network, improving your overall security levels and reducing the drain on your data bandwidth.

Why Managed
Firewall from Three?
Up-to-date Firewall rules

Always up-to-date to ensure the best protection at all times.

Centralised management

For all sites with a single device and single rule set.

Fully monitored solution

24/7 network monitoring and protection.

Safe remote working solution

VPN access for remote users.

Defined rule base

Allows or blocks traffic from specific Networks, Applications, Devices or Services.

Standard URL content filtering

Blocking access to harmful or prohibited websites.


Benefits of Managed Firewall

  • Stop cyber-attacks in their tracks and stay operational with an ever-expanding threat archive.
  • No unexpected costs and no costly on-site hardware required - just one predictable recurring charge.
  • 24/7 monitoring by a dedicated and highly experienced technical service team from our award-winning Limerick Customer Care Centre.





Case Study


Aurivo opted for Managed WAN and Firewall for fast, secure connectivity in over 40 locations.



Success Story

“Three’s approach to account management and customer service were critical for us.”

David O’Sullivan Head of IT at Aurivo

Case Study


Forecourt retailer helps manage rapid expansion by moving to a Managed Network with Three.


Frequently Asked Questions