Gateway « Back to Glossary IndexA network point that acts as an entrance to another network. Related Articles: Glossary: Split HorizonGlossary: Routing Information Protocol [RIP]Glossary: Secure Web Gateway [SWG]Glossary: Security as a ServiceGlossary: Reverse Address Resolution Protocol [RARP]Gateway (Wikipedia)Look up gateway in Wiktionary, the free dictionary.Gateway often refers to: A gate or portalGateway or The Gateway may also refer to: