The SMB protocol can be used on top of its TCP/IP protocol or other network protocols. SMB: Server Message Block, the modern dialect of which was known as Common Internet File System, operates as an application-layer network protocol for file sharing that allows applications on a computer to read and write to files and to request services from server programs in a computer network. Now, to work with the SMB protocol, let us understand it. It is always associated with an IP address of a host and the protocol type of the communication, and thus completes the destination or origination address of a communication session.Ī port is identified for each address and protocol by a 16-bit number, commonly known as the port number. Bi-directional communications and more complex connections may use multiple ports (channels) simultaneously. A port in computer networking is a logical access channel for communication between two devices. In the internet protocol suite, a port is an endpoint of communication in an operating system. Network protocols include key internet protocols such as IP and IPv6 as well as DNS and FTP, and it also includes more network-specific protocols like SNMP and NTP. So, basically, Network protocols are the language of rules and conventions used for handling communicated between network devices and ensuring the optimal operation of a network. Protocols specify interactions between the communicating entities. In information technology, a protocol is the special set of rules that end points in a telecommunication connection use when they communicate. And to work with them, let us first understand ports and protocols. In Hacking, Ports and Protocols play a major role as hacking is not possible without them.
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