York can log all network traffic. York Network Trace logs source, destination and packet size of all network traffic on your network, of course also outbound traffic.

York Network Trace Features:
1. 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.
2. Save sniffed HTTP and FTP files. Just for fun, pictures are shown in a slideshow and in a screensaver like window.
3. Sniff for HTTP, FTP, POP3, SMTP, SMB, VNC and AIM password/hash and HTTP cookies like 'GX'.
4. Select a client and follow his clicks in your browser. [WebSession]
5. Screensaver included. Shows sniffed pictures in a slideshow.
6. For advanced user: You can capture traffic into a pcap file, send a pcap file and replay a pcap file.
7. For advanced user: You can restrict captured traffic by tcpdump filters.

The columns in the log file are tabulator separated for easy import into Excel or so.

Please note: this program need WinPcap, that is used to get the network traffic. The Setup will install WinPcap automatically.

The license of this software is Freeware, you can free download and free use this protocol analyzer software.