LAN Analyzer and Protocol Decoder - CommView

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About CommView
What's New
Using the Program
Selecting Network Interface for Monitoring
Latest IP Connections
Viewing Logs
Advanced Rules
Reconstructing TCP Sessions
Reconstructing UDP Streams
Searching Packets
Statistics and Reports
Using Aliases
Packet Generator
Visual Packet Builder
NIC Vendor Identifier
Using Remote Agent
Capturing Loopback Traffic
Port Reference
Setting Options
Frequently Asked Questions
VoIP Analysis
Working with VoIP Analyzer
SIP and H.323 Sessions
RTP Streams
Call Logging
Call Playback
Viewing VoIP Logs
Working with Lists in VoIP Analyzer
NVF Files
Advanced Topics
Capturing High Volume Traffic
Working with Multiple Instances
Running CommView in Invisible Mode
Command Line Parameters
Exchanging Data with Your Application
Custom Decoding
CommView Log Files Format
Sales and Support

About CommView

CommView is a program for monitoring Internet and Local Area Network (LAN) activity capable of capturing and analyzing network packets. It gathers information about data passing through your dial-up connection or Ethernet card and decodes the analyzed data.

With CommView you can see the list of network connections and vital IP statistics and examine individual packets. Packets are decoded down to the lowest layer with full analysis of the most widespread protocols. Full access to raw data is also provided. Captured packets can be saved to log files for future analysis. A flexible system of filters makes it possible to drop packets you don't need or capture only those packets that you wish to capture. Configurable alarms can notify you about important events, such as suspicious packets, high bandwidth utilization, or unknown addresses.

CommView includes a VoIP module for in-depth analysis, recording, and playback of SIP and H.323 voice communications.

CommView is a helpful tool for LAN administrators, security professionals, network programmers, or anyone who wants to have a full picture of the traffic going through one's PC or LAN segment. This application requires an Ethernet or Wi-Fi network card, or a standard dial-up adapter. CommView features an advanced protocol decoder that can parse over a hundred widely used network protocols.

In addition, our new remote monitoring technology allows CommView users to capture network traffic on any computer where Remote Agent is running, regardless of the computer's physical location. To take advantage of this unique feature, you need to deploy CommView Remote Agent, an affordable add-on for CommView.