"The ApplianSys' DNSBOXes have been wonderful. I recommend them to everyone I know that has a DNS server."
Matt Niswonger, Techician at UltraTech Resources, USA
"We no longer have to put up with the hefty bills and poor service levels of our ISP’s DNS management service"
Mike Bird, IT Director, DHL, UK
"We benefit from the secure protocol, IPSEC, between the master and slaves at our hosting centres"
Mike Bird, IT Director, DHL, UK
"The installation went very smoothly, making me a very happy customer. What's more, I have already migrated all my records..."
Network Manager, Telehouse International Corporation of Europe Ltd, UK
"Support has been fantastic, always super responsive whenever we need any technical assistance!"
Mike Cook (InShore Technologies), Technician, Greater Johnstown School District, USA

Hardened Operating System for Security and Reliability

DNSBOX-hardwareDNSBOX’s security hardened Linux based operating system (OS) is a custom-built appliance ‘distribution’, developed by ApplianSys to maximise security and reliability. The OS has been stripped clean and locked down:

  • Programs, services and files found on a standard Linux distribution that are not required for a DDI appliance are removed. This makes DNSBOX more secure and boot significantly faster than a standard Linux server.
  • The appliance is protected by a fully configurable on-box firewall: ports are only opened in the firewall as needed when services are enabled. All other traffic is dropped.
  • DNSBOX uses a read-only compressed file-system. This is best practice for appliances, being extremely solid and reliable. The fact that core operating system files are maintained read-only adds an extra security layer and avoids accidental damage from user errors.

The OS has a small footprint: once booted, it is retained in RAM, making it very fast.

Next: Hardware >

Because DNSBOX is versatile and scalable, our customers around the world come in all shapes and sizes. ISPs, enterprises, government agencies and even internet registers simplify, control and protect their DDI services with DNSBOX.

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