Download CacheGuard
You can download CacheGuard as an OS to install on a virtual or hardware machine of your choice, or an OVA file to import into your hypervisor (virtualization system). Here you can get CacheGuard-OS bootable ISO CDROM images and the free version of CacheGuard-VE (Virtual Edition). To get the commercial edition of CacheGuard-VE, please Request a Quote.
Submission Form to get CacheGuard
To begin your download, please complete the form below and click the “Submit Request” button. You will receive download instructions via email shortly. This process helps us protect our systems from DoS attacks.
Important Notice: We are responsible email senders and never misuse your address. However, some providers may block our messages — please check your spam folder or use another email.
Download Contents
Your download will include everything you need to set up your CacheGuard network appliance. Please note that you can evaluate our products with a 21-day free trial. After the trial period ends, you’ll need to purchase a subscription to continue using CacheGuard. Subscriptions can be cancelled at any time without any additional charges.
To verify the authenticity of your downloads, we highly recommend using GNU Privacy Guard. You can find our public key on public key servers or download it [HERE]. The key fingerprint is: C8DC 8A5B D894 B676 5226 41B5 DCB1 8A3A FDFE D8F2 and the key ID is: FDFED8F2.
The table below provides a list of the available downloads, together with their fingerprints, PGP signatures, and sizes. We always publish the latest stable releases of CacheGuard-OS in both 32-bit and 64-bit versions.
| Software | SHA1 Signature & PGP Link | Size |
| CacheGuard-OS ISO Bootable x64 CDROM | 3ea679bfa2993a213d4f7a04456a12821c53410b | 431 MB |
| CacheGuard-OS ISO Bootable x86 CDROM | cf3f202a5bc888c3c66eb59cc398227b5fe2bf16 | 416 MB |
| Gateway 0VA 10 Users (Free Virtual Edition) | ff72a74be93f7cf9f49ade58102892d81ffca19d | 1 136 MB |
| Manager 0VA 2 managed Gateways (Free VE) | 45e800ee43be3b5b4ffefde34ff5cb6905fba2cb | 1 259 MB |
| CacheGuard ASN1 MIB | CACHEGUARD-MIB.txt | 20 KB |
To acquire commercial CacheGuard Virtual Editions, please Asking for a Quote
Download Patches
To upgrade your CacheGuard appliance to the latest version of CacheGuard-OS, you have two options: apply patches or download the latest version and reinstall the system from scratch. Please note that patches are typically not provided for major releases.
In cases where a full re-installation is required, don’t worry! Your CacheGuard configuration can be fully backed up to a file server, and you can easily restore it to your freshly installed appliance.
You can find CacheGuard-OS patches [HERE].