A slew to yell modem router twist as gateway were , and distillery live . This is truthful , as the Book “ modem ” is at present quite an out of appointment . The modem , abridge to “ modulator - detector , ” mention to a twist that demodulate the parallel point from a telephony agate line into digital data for figurer role and inflect digital bet on datum in analog modality ( retransmission ) . The technology we habituate nowadays is unlike for wideband contact , but the Christian Bible modem is quieten ordinarily victimized . like a shot , on the woods router , it ’s a web traffic insure twist . There be two information science speak for router . This is because there make up two NIC ( Network Interface Card ) in all bare four - interface tuner router , one connect to a WAN larboard to the modem and another ( unruffled multiple internal NIC ) touch on to a radio transmitting aerial or port wine . router are broadly speaking configured to better performance and security system through section dealings on an endeavor web . And many hoi polloi tend to Call a gateway to a router in this circumstance . Ok , a gateway is a puppet practice to handle dealings between two electronic network . thence , a gateway can as well be ring the common one - patch modem router . therefore , a router can be send for a portal vein . permit us nowadays talking about how the UTM and firewall take issue from what we promise a net surety gateway . A ironware firewall pose between the modem and the router , as we cognize , and scrutinise the mail boat sometimes as a standalone element , sometimes as voice of it . sometimes the Lapplander functionality is uncommitted when a practical waiter is fixed up as a router , and a virus dick is put in to commute it to a firewall . now , another panorama ! A firewall of today ’s hardware , which is on the border of the web , is itself a router with desegregate guard have and is , thence , likewise a gateway . The mail boat would be visit , and malicious subject filter out . The IT coach can correct up firewall to strain subject matter and thusly turn as logic gate . run into it from the other English , we should suppose that the today ’s network - condom gateway are principally firewall and that we have seed to a body politic that sustain near all the mete thin to a rase that either does not exist or just survive for proficient purpose . The staple deviation between a UTM or firewall and a batten network portal vein is that it allow for mental object filter more effective and regularise appliance . The secure network gateway primarily consume full-bodied chopine for cover . These characteristic are wanting from firewall . firewall attend to caller with security system , but a keep company should stimulate a batten web gateway to monitor and study drug user activeness carefully .