Freeware Network Analyzer (Packet Sniffer) for students, teachers, computer geeks and other non-commercial purposes.
Accurately detects DoS (DDoS) attack, Worm activity, ARP attack, TCP port scanning and suspicious conversation and locates the source and target in real-time.Versatile Traffic & Bandwidth Statistics
Monitors Network traffic and Network bandwidth details in graphs and numbers.Advanced Network Protocol Analysis
Being able to support more than 300 protocols, Capsa make it easy to analyze protocols in network and understand what is happening.In-depth Packet Decoding
Capsa captures all network packets transmitted on network and displays detailed packet decoding information in Hex, ASCII and EBCDIC.Multiple Network Behavior Monitoring
Monitors HTTP, Email, DNS, FTP, MSN and Yahoo! Messenger.Extensive Statistics of Each Host
Lists all hosts in network with details (traffic, IP, MAC, etc.).Automatic Expert Network Diagnosis
Automatically diagnoses network problems and suggests solutions.Visualized Connections in Matrix
Visualizes the entire network in an ellipse, showing connections and traffic.Powerful Conversation Analysis
Monitors all conversations and reconstruct packet stream.Useful & Valuable Built-in Tools
Free built-in tools to create and replay packets; scan and ping IPs.Quick & Intuitive Report
Provides various reports regarding concerned items.
Colasoft, Capsa, nChronos and Colasoft logos are registered trademarks of Colasoft. Sniffer is a registered trademark of Network General Corporation. All other names are trademarks or registered trademarks of their respective owners.