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Author Archives: Keyboard Banger

DNS Wireshark Sample Explained

Here is the setting: Client IP address = DNS server IP address = DNS header The DNS header is the following section in Wireshark: This is a DNS communication, since the transport protocol is UDP and the destination ... Read More »

Bittorrent Explained

In a previous post, I introduced the Bittorrent application when defining the TCP bidirectional bytestream The torrent file is a torrent descriptor file. The torrent file contains: “info” section: contains the hash codes, the lengths and the names of the ... Read More »

CUCM Device Pack

To add a new phone on CUCM, you go to Device –> phone. Sometimes the phone you want to add does not exist in the drop box, because the device model is new or the CUCM version is a bit ... Read More »

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