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WildPackets markets several versions of OmniPeek with increasing feature sets, up to the OmniPeek Enterprise version with Enhanced Voice Option.
We were sent the OmniPeek Workgroup Pro version to test. OmniPeek runs on engines that can be situated in remote locations (think branches), letting OmniPeek peek in on branch operations for diagnostic purposes. It's a Windows XP SP2-only platform that tracks many protocols, including VoIP.
OmniPeek's analyzing method has an interesting architecture: Everything is ignored unless it is specifically selected to be watched. A long, rich list of protocols can be actively selected for examination, along with attack-specific filters (such as worm traffic and damaged-packet errors that indicate distributed denial-of-service attacks) and packets associated with specific services (including DNS requests, VoIP and HTTP traffic).
Filters can be constructed and turned on, leaving it up to operators to build what they believe will be a sufficient filter list, along with triggers. However, some conditions don't require a quantity or quality setting; the mere appearance of a condition can be sufficient to trigger an alarm.
As previously mentioned, OmniPeek connects with the Cognio spectrum analyzer card, which lets a notebook user gauge and identify radio-frequency noise using the card's antenna. Interfering sources can be identified, and it recognizes the interfering signal type often by device, such as a noisy microwave oven or a 2.4GHz wireless phone.
The OmniEngine core-sniffing application can be remotely or locally deployed. The engine doesn't have an easily downloadable installation routine (you need the product CD and appropriate license) for remotes, but we found installation to be reasonable, covering a spread of popular network cards.
Filters for common virus and worm traffic are available from WildPackets' Web site. These filters can be used to set alarms in monitor mode or for later analysis of specific captures. Packet pattern matching was simple to use with the filters, and we could change them on the fly without having to stop our packet captures.
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