Softperfect Network Sniffer is an advanced, professional protocol analyzer 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 the data and represents it in a readable form. Softperfect Network Sniffer is an useful tool for network administrators, security specialists, network application developers and all those who need a comprehensive picture of the traffic passing through their network connection or a segment of a local network.

Softperfect Network Sniffer presents the results of its work in a convenient and understandable format. It also lets you defragment and assemble network packets into flows. With Softperfect Network Sniffer you can easily analyze traffic based on different Internet protocols. It completely decodes all the major protocols such as ARP, IP, TCP, UDP, ICMP, as well as top-level protocols such as HTTP, SMTP, POP, IMAP, FTP, TELNET and others.

The flexible system of filters can discard all network traffic except those traffic patterns you are interested in analyzing. Softperfect Network Sniffer also contains a special packet builder, through which you can build your own network packets and send them onto the network. This can be used, for example, to check your network for robustness against attacks and intruders.

Softperfect Network Sniffer requires Windows 95/98/ME/NT/2000/XP and a network connection, which could include any wireless connection or modem that is supported by the NDIS standard.