Computing
Setting Up a PPTP VPN on my AT&T Account
Tried to make this work but got stumped. Moved over to WireGuard and it was easy. That is until I encountered CGNAT ( Carrier Grade Network Address Translation ) in Brazil.
Computing
Home Router NAT Port Address Translation
A short video presentation of how most home routers do network address translation. It is useful to know how the router knows which device to send the data to. It is also helpful to understand why VPN routers need to use a different internal subnet to avoid getting confused.
Original longer video covering forms of NAT less frequently used in home routers: Youtube: NAT Explained | Overload, Dynamic & Static
Books
The Book Designer Website
Website detailing the basics of self publishing and making money at it.
Computing
Cisco Packet Tracer
Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks. The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface. Packet Tracer makes use of a drag and drop user interface, allowing users to add and remove simulated network devices as they see fit. The software is mainly focused towards Certified Cisco Network Associate Academy students as an educational tool for helping them learn fundamental CCNA concepts.
Packet Tracer requires authentication with your NetAcad.com login and password when you first use it and for each new OS login session.
Computing
VoiceXML Interactive Media Voice Dialogs between Humans and Computers
Talked to an old friend Sandra who does caller response software. She writes in VoiceXML and uploads it to the VoiceXML server.
Research Links