![]() It includes a packets encryption technique, so it’s safer than telnet. SSH(Secure SHell protocol): SSH is a data transfer protocol. ![]() And we don’t need to worry the differences of the Systems on both computers. With the help of FTP, we can transmit data from our computer to another one. HTTP is a protocol for web data transmission when we use a web explorer to navigate any website.įTP is the protocol which defines data transfer rule. ![]() For example, 209.185.243.135 is translated to User needn’t memorize the multifarious IP numbers if they use a DNS server. In LAB1 we use firewall to restrict client sending packets to the following ports:ĭNS server is used to translate IP to domain name. Every port has an identifier - port number. An IP has many ports just like a country has many ports where goods can transport from. Ports are the places where the TCP/UDP packets come in and out.
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