Here are some quick download links. CacheGuard OS transforms a blank server into a Web Gateway Appliance that secure and optimize Web traffics. For security reasons, please check your downloaded files using MD5 checksums or/and PGP signature.
CacheGuard & PGP
Download our PGP Public Key and signature files. You can use GnuPG system to check signatures.

In accordance with international treaties and conventions about intellectual property rights the proprietary part of the CacheGuard OS is protected.
| Description | Download link | PGP signature |
| The ISO CDROM Image (126.6 MB) | CacheGuard OS v5.5.5 CDROM (md5sum 0f7b70fe8d6fab7a2109629536db9e93) | CacheGuard OS v5.5.5 Signature |
| VM for 10 users - 8GB HD (VMDK 2gbsparse)/256 MB RAM (206.0 MB) | CacheGuard OS v5.5.5 for VMWare (C) (md5sum 01f938d9b96fd23c35984abb64389684) | CacheGuard OS v5.5.5 for VMWare (C) Signature |
| The place you can download the VMware (C) virtual server software | ![]() |
The key fingerprint is B655 24C9 1D8A 2159 1C68 A42B BACB 58EB 75E6 AE13 and the key ID is 75E6AE13.
The CacheGuard project is registered on freshmeat.net. If being informed of new releases interests you, you can subscribe to new releases by clicking on the FreshMeat logo at the left side - Then click on "Subscribe to new releases" on the bottom of that page and follow instructions.