York Network Trace can log source, destination [FQDN or IP address], and packet size of all network traffic on your network, of course also outbound traffic. The network card will be set into promiscuous mode. Save sniffed HTTP and FTP files. Just for fun, pictures are shown in a slideshow and in a screensaver like window. Sniff for HTTP, FTP, POP3, SMTP, SMB, VNC, and AIM password or hash. Select a client and follow his clicks in your browser. Screensaver included. Shows sniffed pictures in a slideshow. For advanced user you can capture traffic into a PCAP file, send a PCAP file, and replay a PCAP file.
||Free to try