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The finger program was written in 1971 by Les Earnest who created the program to solve the need of users who wanted information on other users of the network. Information on who is logged in was useful to check the availability of a person to meet. This was probably the earliest form of presence information for remote network users.
Windows PowerShell Default psSession Port [294] Windows Remote Management Service (WinRM-HTTP) [295] 5986: Yes: Windows PowerShell Default psSession Port [294] Windows Remote Management Service (WinRM-HTTPS) [295] 5988–5989: Yes: CIM-XML (DMTF Protocol) [296] 6000–6063: Yes: X11—used between an X client and server over the network 6005 ...
To enable the forwarding of User Datagram Protocol (UDP) broadcasts, including BOOTP, received on an interface, use the ip helper-address command in interface configuration mode. To disable the forwarding of broadcast packets to specific addresses, use the no form of this command.
An ephemeral port is a communications endpoint of a transport layer protocol of the Internet protocol suite that is used for only a short period of time for the duration of a communication session. Such short-lived ports are allocated automatically within a predefined range of port numbers by the IP stack software of a computer operating system.
Local port forwarding is the most common type of port forwarding. It is used to let a user connect from the local computer to another server, i.e. forward data securely from another client application running on the same computer as a Secure Shell (SSH) client. By using local port forwarding, firewalls that block certain web pages, can be ...
Some parts of the data model require the existence of multiple copies of the subtree. The best examples are those describing tables, e.g. Port Forwarding Table. An object representing an array will only have instance numbers or alias names as its children. A multi-instance object may be writable or read-only, depending on what it represents.
Forwarding equivalence class, a set of packets with similar or identical characteristics that may be forwarded the same way; Perfect forwarding, a feature of the programming language C++11; Port forwarding, the act of forwarding a network port from one network node to another; Reverse-path forwarding, a technique used in routers for ensuring ...
If UPnP is only used to control router port mappings and pinholes, there are alternative, newer much simpler and lightweight protocols such as the PCP and the NAT-PMP, both of which have been standardized as RFCs by the IETF. These alternatives are not yet known to have compatibility issues between different clients and servers, but adoption is ...