My old tech scribbles - Charvin

0-Day - Latest software releases. 0-Sec - Same as above, although the period of time between ripping a game or application and it appearing on a warez site is even shorter. Ace File - The first file in a series of compressed archives (the one you double click on to decompress all the files at once). Active List - Similar to a mailing list, but uses ICQ to send instant messages to subscribers. Alpha - Software receives this label when it is in the very early stages of development. Usually full of bugs, so don't touch it with a barge pole. Anti-Leech - A system which uses cgi scripts to prevent people stealing links and then taking the credit for uploading the files. Appz - Short for applications. For example Flash 5 or GoLie 5.5. ASF File - The worst quality movie file format (still pretty good though), much smaller in size than dat or mpg. Banner Site - Password and username restricted FTP site. To get the correct login details you must click on several banners. Beta - Refers to an...

  A firewall is basically something that protects the network from the Internet. It is derived from the concept of firewalls used in vehicles which is a barrier made of fire resistant material protecting the vehicle in case of fire. Anyway a firewall is best described as a software or hardware or both Hardware and Software packet filter that allows only selected packets to pass through from the Internet to your private internal network. A firewall is a system or a group of systems which guard a trusted network( The Internal Private Network from the untrusted network (the Internet.) To understand how a firewall works, firstly we need to understand how exactly data is transferred on the Internet. The TCP\IP suite is responsible for successful transfer of data across a network both the Internet and the Intranet. The TCP\IP suite is a collection of protocols which are inter-related and interdependent and act as a set of rules according to which data is transferred acro...