Skip to main content

Blogs, Videos and Articles

pfSense Plus 25.11 Release Notes – Changes and What to Check Before Upgrading

Netgate has released pfSense Plus 25.11, bringing a set of updates and changes that administrators should review carefully before [...]

OPNsense 25.7.9 Released – Unbound Blocklist Fixes, Tailscale Plugin 1.3 & More

OPNsense has released version 25.7.9 on December 4th, 2025, arriving just a week after the 25.7.8 update. While the previous release [...]

How the New Unbound Extended Blocklists Work in OPNsense 25.7.8 (Full Guide)

OPNsense 25.7.8 introduces one of the biggest upgrades in recent Community Edition history: Extended DNS Blocklists for Unbound, [...]

Reviewing pfSense Plus 25.07 – A Practical Look Before 25.11 Arrives

Netgate released pfSense Plus 25.07 back in August, but as with all firewall and network infrastructure updates, it’s rarely wise [...]

Deep Dive: Using OPNsense with Tailscale

In this post, we’ll take a deep dive into integrating OPNsense with Tailscale. Whether you’re looking to access your [...]

Unboxing and Setting Up the UniFi U7 Pro

I’ve just received a UniFi U7 Pro, which I’ll be setting up for a client. In this post, I’ll walk you through the [...]

UniFi AC Flex HD Review: Still Worth It in 2025?

I’ve covered a lot of UniFi devices over the years — from access points and switches to cameras — but one device I [...]

OPNsense 24.7.12 Release: The Final Update Before 25.1!

Discover the latest updates in OPNsense 24.7.12, the final stable release before the highly anticipated 25.1 arrives on 29th January! [...]

Sheridan Computers and OPNsense: A Milestone in Open Source Collaboration

At Sheridan Computers, we take immense pride in our commitment to providing cutting-edge, reliable solutions to our clients. As a [...]

Got Questions?

Find quick answers to common IT support questions

How quickly can you respond to IT issues?

While many companies claim a 15-minute response, we guarantee a one-hour response time for urgent issues. This realistic timeframe allows our expert team to mobilise properly and arrive fully prepared to diagnose and resolve the problem efficiently - ensuring quality support rather than a rushed service.

How long has Sheridan Computers been established?

We've proudly been established for over 15 years. Our enduring presence in the IT industry is a testament to our commitment to quality, innovation, and reliable service. We’re here for the long haul, continuously evolving to meet the needs of our customers today - and in the future.

IT Emergency?

24/7 emergency IT support available for existing clients

Help & Support
Standard Support Hours

Monday - Friday 8:00 - 17:00
Saturday Closed
Sunday Closed
Other Ways to Reach Us
24/7 Emergency Support

Critical issues? Our emergency team is available 24/7 for existing clients.

Emergency Support Line