Ports

Well Known Ports: 0 through 1023. 
Registered Ports: 1024 through 49151. 
Dynamic/Private : 49152 through 65535. 

TCP ports use the Transmission Control Protocol. TCP is the most commonly used protocol on the Internet and any TCP/IP network. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP. 

UDP ports use the Datagram Protocol, a communications protocol for the Internet network, transport, and session layers. Like TCP (Transmission Control Protocol), UDP is used with IP (the Internet Protocol) and makes possible the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming, where dropping some packets is preferable to waiting for delayed data.

Google Search Snytax

Hello everybody in today's world most used search engine is GOOGLE approximately everybody had used it. But very few know the exact syntax to search on Google . This post will make your search more easy and refined.


SYNTAX :

• [ intitle:]
• [ inurl: ]
• [ site: ]
• [ filetype: ]
• [ link: ]
• [ related: ]
• [ cache: ]
• [ intext: ]
• [ phonebook: ]

Speed Up Your Dialup Connection

Hey friends the 3rd Generation have already been launched but there quiet many people who are still on Dial-Up connection .You can’t assume that just because you connected at a speed like 48.3KBps that you will stay there. Today’s modems automatically fall back to a lower speed if the line noise is too high to maintain a faster connection, but sometimes they fall back too soon or too far.