Website Hosting

Setting transport protocols TCP and UDP, a two-byte number, added to the IP address, and specifies the application protocol or application that addressed packets of data. Program-daemon or service "listens" to the port, and takes the data from it.

All standard application layer protocols are associated with certain ports, the most used: HTTP-80, 443 HTTPS, FTP, SMTP, 21-25, 110 (POP3), IMAP, DNS, 143-53.

Writing about Web hosting

About CMS: Which CMS to choose for your site?