Firewall Installation and Network Security

Next-generation firewalls, secure remote access and endpoint protection, supplied, configured and monitored.

In short

Network security is the combination of a properly configured firewall, controlled remote access, segmented internal networks and protected endpoints that stops a business network being reached from the internet. ITVEDA supplies, configures and manages next-generation firewalls from Sophos, Fortinet, SonicWall and Cisco, along with site-to-site and remote-access VPNs, content filtering, intrusion prevention and endpoint protection. Rules, firmware and threat signatures are kept current under a managed agreement rather than left as they were on install day.

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What is included

What firewall and network security covers

Everything below is in scope as standard. Anything outside it is quoted and approved by you before any work starts.

  • Firewall supply and sizing

    The right appliance for your user count and internet link, not the one with the best margin.

  • Rule-base design

    Least-privilege rules built from how your business actually works, then documented so the next engineer can read them.

  • Secure remote access

    SSL and IPSec VPN for remote staff, and site-to-site tunnels between branches.

  • Content and application filtering

    Category-based web filtering, application control and bandwidth shaping per user or per group.

  • Intrusion prevention

    IPS, gateway antivirus and sandboxing enabled and tuned, with signatures updated on a schedule.

  • Endpoint protection

    Managed antivirus and EDR on every laptop, desktop and server, reporting into one console.

Brands we supply for firewall and network security

  • Sophos

    Next-generation firewalls and endpoint security

  • Fortinet

    FortiGate firewalls and secure networking

  • SonicWall

    Firewalls and secure remote access

  • Cisco

    Switching, routing and enterprise networking

  • D-Link

    Switches, access points and networking

How it works

The delivery process, step by step

Nothing here is a surprise on the day. Each step has a named output, and you sign off before the next one starts.

  1. 1 · Security assessment

    In progress

    We map what is exposed to the internet, what rules exist today and where the gaps are.

  2. 2 · Design and sizing

    Not started

    Appliance model, licence tier, VLAN plan and rule structure agreed before anything is bought.

  3. 3 · Staged deployment

    Not started

    The firewall is pre-configured and cut over in a planned window, with the old device kept as rollback.

  4. 4 · Hardening

    Not started

    Default accounts removed, management restricted, logging enabled and configuration backed up off-box.

  5. 5 · Managed operation

    Not started

    Firmware, signatures, rule changes and log review handled under an ongoing agreement.

What changes

What you actually get out of it

  • A documented, least-privilege rule base instead of accumulated any-any rules

  • Remote staff connected without exposing RDP to the internet

  • Guest, staff, CCTV and server traffic separated by VLAN

  • Firmware and threat signatures current, verifiably

Questions

Firewall & Security — frequently asked questions

Straight answers, including the cases where the honest answer is that you do not need this service.

Which firewall brand is best for a small office?

For most offices under a hundred users, Sophos XGS and Fortinet FortiGate entry models give the best balance of throughput, licence cost and manageability. The right answer depends on your internet speed, VPN user count and whether you need sandboxing — we size it against those numbers rather than recommending one brand by default.

Do we still need a firewall if our data is in the cloud?

Yes. A firewall protects the office network itself — printers, cameras, servers, unpatched laptops and any device a visitor plugs in. It also enforces web filtering and gives you the VPN and segmentation that cloud services cannot provide for your local network.

How long does a firewall installation take?

A single-site deployment is typically configured in advance and cut over in a two to four hour window, usually outside business hours. Multi-site rollouts with site-to-site VPN are staged branch by branch.

Can you take over management of a firewall we already own?

Yes. We audit the existing configuration, document the rule base, remove what is unsafe or unused, bring firmware current and then manage it under an ongoing agreement.

What is included in a managed firewall service?

Firmware and signature updates, rule changes on request, configuration backup, licence renewal tracking, log review and a defined response time for security incidents.

Related

Often bought alongside

These services share the same site visit, the same documentation and the same contract, so combining them costs less than buying them separately.

Firewall & Security

Get a fixed quote for firewall and network security

Send us the site details or the current setup. We will come back with a scoped, fixed-price proposal and a clear list of what is excluded.

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