![]() ![]() And our proxy would log every conversation detail along the way. The company’s internal DNS servers would return the address of our IM proxy which would then open a connection to the real IM server out on the internet. The IM client would send a query to resolve a DNS name of an IM server (for example ) to an IP address. IM clients needed to be reconfigured to “connect directly to the internet” as opposed to using a socks proxy or http tunneling.The firewall needed to allow the IM archive server to open connections to the internet on specific ports to a specific server.The archive server works like a web proxy server and will open connections to the real IM server on behalf of the clients. DNS servers needed to report the address of our IM archive server. ![]() Here is a short (read incomplete) list of what needed to happen – or so we thought. We had to communicate our intentions and coordinate our efforts with the groups responsible for these other systems in order to complete the project. M&G, as the team was called, was not responsible for the network, dns servers and certainly not the firewall. I was a member of the Messaging and Groupware team which was responsible for (among other things) email, IM and other collaborative software systems. Several years ago I worked on a compliance project to archive all instant messaging (IM) traffic flowing through the company network for the Yahoo! IM, MSN and AOL IM networks. Wireshark is now maintained and enhanced by hundreds of people worldwide. It was renamed Wireshark in 2006 because of trademarks’copyrights held on the name Ethereal. In this article, I’ll go over the very basics of troubleshooting a network application with Wireshark (Ethereal).Įthereal is a open source protocol analyzer initially written by Gerald Combs. It is also useful when developing new network protocols. This is useful for troubleshooting network configuration and network application problems. Network protocol analysis is a technique used to view, in real time, the raw data sent and received over a network interface. ![]()
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