Author Archives: Randy

Using TCPdump and Wireshark to monitor network traffic

Here are a few shortcuts for common monitoring tasks with TCPdump. I will update this post over time as new needs arise. Monitor traffic to/from a single port: tcpdump -n -i eth0 ‘port 53’ Monitor and decode traffic to/from or regarding a particular domain or IP (there may be a better way, this is quick […]

IIS6 Directory Listing Timeout with Windows Firewall

This issue comes up every so often. No matter what, even if you manually define all the passive ports in Windows firewall, add an exception for inetinfo.exe, the works, certain directory listings still hang on the client end. This issue is apparent only with the Firewall enabled — disabling the firewall allows the listings to […]