Better application traffic visibility – NTA 4.2 Beta using NBAR2
Understanding network bandwidth content is one of the essentials for each IT admin who needs to ensure the business traffic has always the priority over someones private Youtube streaming during a lunch break. SolarWinds Network Traffic Analyzer has been used many years for its ability to finger point at IP address which was behind suspicious high-volume data transfer. NTA historically used widely used port-based application detection known as NetFlow (used in protocols NetFlow v5, v9, IPFIX, sFlow, jFlow, Huawei Netstream).
As many of you know, port-based application detection works effectively if each application you care about communicates via its own, specific, port (SNMP, SQL, DNS, etc.). As a natural reaction to block unwanted traffic you may create firewall rules and allow specific ports only. This works unless the owner of the application change its protocol to HTTP or even better HTTPs and port-based categorization is not as useful anymore (as firewall rules based on…
Read the entire article here, Better application traffic visibility – NTA 4.2 Beta using NBAR2
via the fine folks at SolarWinds
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