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SoftPerfect Network Protocol Analyzer – Network sniffer for Windows

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Network Sniffer Capture
SoftPerfect Network Protocol Analyzer is an advanced, professional tool for analyzing, debugging, maintaining and monitoring local networks and Internet connections. It captures the data passing through your dial-up connection or network Ethernet card, analyzes this data and then represents it in an easily readable form. SoftPerfect Network Protocol Analyzer is a useful tool for network administrators, security specialists, network application developers and anyone who needs a comprehensive picture of the traffic passing through their network connection or segment of a local area network.

SoftPerfect Network Protocol Analyzer presents the results of its network analysis in a convenient and easily understandable format. It also allows you to defragment and reassemble network packets into streams. The program can easily analyze network traffic based on a number of different Internet protocols as listed below.
SoftPerfect Network Protocol Analyzer features full decoding of the following low level protocols: AH, ARP, ESP, ICMP, ICMPv6, IGMP, IP, IPv6, IPX, LLC, MSG, REVARP, RIP, SAP, SER, SNAP, SPX, TCP and UDP. It also performs full reconstruction of top-level protocols such as HTTP, SMTP, POP, IMAP, FTP, TELNET and others.
The flexible system of fully configurable filters can be used to discard all network traffic except the specific traffic patterns you wish to analyze. SoftPerfect Network Protocol Analyzer also features a packet builder. This tool allows you to build your own custom network packets and send them into the network. You could use this packet builder feature to check your network for protection against attacks and intruders.
The software requires Windows 98/ME/NT/2000/XP/2003/Vista/2008. Both 32-bit and 64-bit systems are supported. It also requires a network connection, which could be a wireless connection, or a modem that conforms to the NDIS standard.
Packets captured from a local area network. A captured and reconstructed mail session. Click to enlarge.
Network Sniffer Capture Network Sniffer Data Flow
A captured and reconstructed HTTP session displayed in hexadecimal mode. Built-in packet builder.
Network Sniffer Hex Mode Network Sniffer Packet Builder
A live network flow analysis. The most active network hosts on a switch port.
Network Sniifer Network Flow Network Sniffer Host Activity Monitor
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