Whats a socket?
A socket is a way of defining a communication channel between nodes of a network. A socket consists of a host, port and transport protocol. For example, “127.0.0.1,80,TCP” refers to TCP port 80 on host 127.0.0.1 (your computers loopback IP address). Windows provides the winsock.dll to allow use of sockets. Linux includes the relevant functions in /sys/socket.h. 3.4. Viruses 3.4.1. What’s a Virus? A virus is a piece of code which has the ability to “reproduce”, infecting other executables with copies of itself (in the same way as a physical virus infects host cells). Not all virii carry “payloads” (damaging portions of code, which could format the hard disk, for example), but all virii are undesirable as they eat up system memory and hard disk space. 3.5. Anonimity On The Internet 3.5.1. Anonymous Newsgroup Posting There are a few ways of doing it properly, and thousands of ways of doing it wrongly. • The Right way: • Anonymous remailer -> Newsgroup At time of writing, several anonymous
