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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 ...
Bastion host. A bastion host is a special-purpose computer on a network specifically designed and configured to withstand attacks, so named by analogy to the bastion, a military fortification. The computer generally hosts a single application or process, for example, a proxy server or load balancer, and all other services are removed or limited ...
Firewall (computing) In computing, a firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. [1] [2] A firewall typically establishes a barrier between a trusted network and an untrusted network, such as the Internet. [3]
Polipo, a discontinued forwarding and caching HTTP/1.1 proxy server with IPv4 support. Open Source running on Linux, OpenWrt, Windows, Mac OS X, and FreeBSD. Almost any Web browser can use it. Privoxy, a non-caching SOCKS-to-HTTP proxy. Tinyproxy, a light-weight HTTP/HTTPS proxy daemon for POSIX operating systems. Designed from the ground up to ...
t. e. In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. It can, for example, allow private network communications to be sent across a public network (such as the Internet ), or for one network protocol to be carried over an incompatible network, through a ...
Virtual private network. A virtual private network ( VPN) is a mechanism for creating a secure connection between a computing device and a computer network, or between two networks, using an insecure communication medium such as the public Internet.
Free (PC) or hardware version. UTM distribution with routing, firewall, anti-spam and anti-virus for web, FTP and e-mail, OpenVPN, IPsec, captive portal functionality, and captive portal (missing in community version). Endian Firewall Community (EFW) is a complete version for x86. The anti-virus for EFW is Sophos or ClamAV.
A distributed firewall is a security application on a host machine of a network that protects the servers and user machines of its enterprise's networks against unwanted intrusion. A firewall is a system or group of systems ( router, proxy, or gateway) that implements a set of security rules to enforce access control between two networks to ...