With the comprehensive traffic analysis through the application level gateway, genugate offers a significantly higher level of security than so-called next generation firewalls, which usually function with deep packet inspection or pattern matching and check only a random sample of the data contents. The application level gateway can also secure cloud usage by, e.g., only allowing uploads to external services if the data is encrypted. Only then is the data passed on via a new connection. Filtering is now performed and, depending on the configuration, undesired and dangerous data such as active content, viruses or even spam are reliably blocked. ALGs understand a variety of protocols, from bittorrent to instant messaging, and can perform deep packet inspection, where packets are scanned to determine their purpose and information content. Many risks, such as through the extended headers with IPv6, are thereby excluded.Īfter the connection is terminated, the packets are assembled like a puzzle, since a content check is only possible using complete data sets. An application-level gateway (ALG) can be used to augment your firewall and provide application-level filtering and control of traffic. The gain in security through this feature: attacks are not possible on the network level. To this end, the incoming data packets are first stopped – the application level gateway does not permit a direct connection between the Internet and the local network. This sophisticated security system checks the content of the entire data stream. Application Level Gateway Screens Data ContentĪt the heart of the genugate solution is the application level gateway.
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