A computer (or the software that runs on it) that acts as a barrier between a network and the Internet by presenting only a single network address to external sites.
— Computer ScienceA service, process, or file that allows the computer to serve as an interface device between a remote system and the Internet. Common uses of a proxy are to send unsolicited (spam) email.
— Computer ScienceAn Office Communications Server role deployed to forward SIP traffic, host applications, or provide connectivity to users in branch offices.
— Computer ScienceA software component that intermediates requests from client software components and responses from service or server software components that respond to those requests.
— Computer Science