SoftPerfect Network Protocol Analyzer (portable) v2.9.1

SoftPerfect Network Protocol Analyzer is a freeware Network sniffer for Windows.

The tool can be used for analysing, debugging, maintaining and monitoring local networks and Internet connections, capturing all network data for analysis. It supports a wide variety of low level protocols: AH, ARP, ESP, ICMP, ICMPv6, IGMP, IP, IPv6, IPX, LLC, MSG, REVARP, RIP, SAP, SER, SNAP, SPX, TCP and UDP.

Key Features

• Wors in promiscuous mode to capture all network packets.
• Decodes packets and displays them in an easy to read format.
• Lets you build custom packets and send them into the network.
• Offers a flexible traffic filtering system. Any filter can be inclusive or exclusive.
• Reconstructs packets into flows so you can easily see a complete data exchange of the Telnet, POP3, SMTP, IMAP, FTP, HTTP and other protocols.
• Lets you monitor loopback connections within the system.

This is the portable version of the tool, which requires no installation.