Colasoft Capsa is an easy-to-use network monitor and protocol analyzer. Designed for packet decoding and network diagnosis, Colasoft Capsa monitors the network traffic transmitted over a local host and a local network, helping network administrators troubleshoot network problems. With the ability of real time packet capture and accurate data analysis, Colasoft Capsa makes your network transparent before you, letting you quickly and efficiently fix the network troubles.

Colasoft Capsa supports monitoring multiple adapters (professional edition only), letting you view the traffic passing through your network via different adapters.

Advanced analyzers provide more detailed information about network traffic, allowing you to view the analyzed data of email messages, FTP transfers and HTTP requests.

Simple filters and advanced filters can narrow the target hosts, letting you quickly focus on suspect traffic and identify the source of network troubles.

Statistics and graphs let you view network communications in various ways, bring you an overall and visual impression of your network.

Flexible and intuitive interface is the outstanding feature of Colasoft Capsa, you can easily switch from an overall statistics to the details of a specific network node, even a rookie user can manage it efficiently in a few moments.

Main features:

Packet Collecting
-- Real-time capture on Ethernet adapters
-- Real-time capture loopback IP packets on local host
-- Real-time capture on dial-up adapters
-- Capturing packets from multiple adapters simultaneously
-- Multiple captures from a single adapter
-- Importing packet files in multi-formats

Packet Filtering
-- Defining simple filters by address range, port range and protocols
-- Defining advanced filters with additional rules and parameters
-- Graphing the logical relationship of rules in advanced filters
-- Setting default filters for new projects
-- Importing and exporting filters
-- Enabling both Accept Filters and Reject Filters simultaneously

Packet and Protocol Analysis
-- Real-time analyzing packet and protocol based on Colasoft Packet Analysis Engine
-- Real-time analyzing and reconstructing TCP Stream
-- Advanced HTTP analyzer
-- Advanced Email analyzer
-- Advanced FTP analyzer
-- Logging HTTP requests, email messages and FTP transfers
-- Graphing analyzing results

Statistics
-- Summary statistics - from specifically endpoint/protocol to global network
-- Endpoint statistics - from specifically protocol to global network
-- Protocol statistics - from specifically endpoint to global network
-- Graphing statistics and history sampling
-- Statistics counters dynamic registered by analyzers

Real-time Monitoring
-- Real-time monitoring TCP connection status
-- Available real-time monitoring in graphic way
-- Real-time monitoring network traffic and utilization
-- Real-time monitoring error packets
-- Real-time monitoring packet size distribution

Packet Decoding
-- Real-time decoding packet with Colasoft Packet Decode Engine
-- Packet summary decoding
-- Packet details decoding
-- Managing packet decoders
-- Decoding packets in HEX, ASCII and EBCDIC format

Output
-- Generating statistics reports
-- Generating log files
-- Saving project data and settings to files
-- Exporting packet files in multi-formats
-- Print and print preview