Download of ShadowServer 2.5 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The program is categorized as Internet & Network Tools. This software was originally created by StorageCraft Technology Corporation.
From the developer:
Web Server Defacement and Server Security Issues - Eliminate them with StorageCraft ShadowServer
StorageCraft ShadowServer provides high availability for servers so that downtime and the associated costs are held to a minimum. ShadowServer provides a full system recovery in as fast as it takes to reboot.
You may want to check out more software, such as WMS Client for Arcview Beta, Usage Agent or SigX, which might be related to ShadowServer.