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In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. [1] It improves privacy, security, and performance in the process. Instead of connecting directly to a server that can fulfill a request for a resource, such as a file or web ...
An application-level gateway ( ALG, also known as application layer gateway, application gateway, application proxy, or application-level proxy) is a security component that augments a firewall or NAT employed in a mobile network. [1] [2] It allows customized NAT traversal filters to be plugged into the gateway to support address and port ...
It then forwards the request to some internal web server (oval on the right). The internal server delivers the requested resource back to the proxy, which in turn delivers it to the client. The client on the Internet is unaware of the internal network, and cannot tell whether it is communicating with a proxy or directly with a web server.
t. e. 6to4 is an Internet transition mechanism for migrating from Internet Protocol version 4 (IPv4) to version 6 (IPv6) and a system that allows IPv6 packets to be transmitted over an IPv4 network (generally the IPv4 Internet) without the need to configure explicit tunnels. Special relay servers are also in place that allow 6to4 networks to ...
The gateway address may be added manually. On Windows computers, the gateway address is configured using the TCP/IP Properties. The gateway address can be automatically determined using Dynamic Host Configuration Protocol (DHCP). DHCP allows a host to obtain network information from a server. The host contacts the server to obtain an IP address ...
Virtual Private LAN Service (VPLS) is a way to provide Ethernet-based multipoint to multipoint communication over IP or MPLS networks. It allows geographically dispersed sites to share an Ethernet broadcast domain by connecting sites through pseudowires.
Cisco's first router, the Advanced Gateway Server (AGS) router (1986) Cisco Systems was founded in December 1984 by Sandy Lerner along with her husband Leonard Bosack. Lerner was the director of computer facilities for the Stanford University Graduate School of Business.
In telecommunications networks, a node (Latin: nodus, ‘knot’) is either a redistribution point or a communication endpoint.. A physical network node is an electronic device that is attached to a network, and is capable of creating, receiving, or transmitting information over a communication channel.