how to use wireshark to get ip through skype

White-listing and blocking everybody else is not an option. While I know I could do this upstream on a full-fledged ASA or similar device, for various networking reasons I'm trying to find a solution that can be implemented on the users computer. Resolving a skype username to IP is fairly simple and this has resulted in their machines being DDOS'd on occasion. ARP is a broadcast request that’s meant to help the client machine map out the entire host network. Address Resolution Protocol (ARP) requests can be used by Wireshark to get the IP address of an unknown host on your network. The situation I'm trying to solve is that I have several users that need Skype access. Finding an IP address with Wireshark using ARP requests. I'm a bit lost on how to go about this or something similar on a Windows 7 box. On a Linux box, though it's a bit crude, I know I could use wireshark or nstat and output to a file, then cron a job to grep through and then parse the data for number of attempted connections to a specified port, add a firewall rule to iptables, then truncate the log file for the next iteration, and I'm all set.

Choose the right location within the network to capture packet data. Is there a way to monitor number of attempted Skype connections on a specified port and dynamically firewall off the offending IPs if they break a certain threshhold within a specific time limit - in Windows 7? Choose the right network interface to capture packet data.

How to use wireshark to get ip through skype