Quick Start for Network Agent 5-Step Quick Start See - Websense ...

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Quick Start for Network AgentOn how many machines should I deploy Network Agent?Capacity planning for Network Agent depends on hardware capabilities, bandwidth, memory,number of Network Interface Cards (NICs), operating system, user profiles, traffic mix, database,protocols assigned to Network Agent, and where you deploy it. Some sites use one Network Agentmachine for every thousand users; some sites use one Network Agent machine for several thousandusers. Websense Technical Support professionals and Sales Engineers can assist you with deploymentdecisions.Where does Network Agent belong in the network?Install Network Agent where can it see all internet requests for the machines it is assigned to monitor.For those machines, Network Agent must see all URL and protocol requests going out to the internetand replies coming back from the internet. This monitoring must be done on the internal side of thecorporate firewall.A machine running Network Agent can access the network via a switch or hub, as discussed in theNetwork Topology Addendum, page 18. Network Agent can be installed on the same machine as anintegration product, as discussed under Gateway Configuration, page 23.Quick Start 2 Network Agent
Network Agent’s special roleQuick Start for Network AgentWebsense software can filter internet requests based on protocols or internet applications used for:• instant messaging• streaming media• file sharing• file transfer• internet mail• media players• various other network or database operationsWhen users make internet requests, if you use an integrated firewall, proxy, or cache product, theintegration product distinguishes HTTP content from content provided by other protocols. Theintegration product then passes the HTTP content to Filtering Service for filtering, and leaves trafficfrom other protocols to be managed by Network Agent.Network Agent can also be used without an integrated proxy, cache, or firewall. In this case, selectStand-alone during installation to cause Network Agent to manage requests for all protocols,according to your filtering policies. Network Agent also provides bandwidth usage data to PolicyServer and filtering log data to Filtering Service.Measuring network bandwidthWith Bandwidth Optimizer, you can limit internet access based on bandwidth availability. NetworkAgent continually monitors overall network usage, including bytes transferred, and sends usagesummaries to Filtering Service at predefined intervals.Planning WorksheetsPlanning worksheets on the next 4 pages capture all of the information you need to describe yourNetwork Agent configuration via Websense Manager.Associate each Network Agent machine with a Filtering Worksheet 1Service instance.Ensure that the entire network is visible to Network Agent. Worksheet 2Designate any internal machines to be monitored (intranet).Identify proxy and cache machines and Network Agent ports. Worksheet 3Assign a Network Interface card (NIC) to each segment ofthe network, with no overlap. Identify IP exceptions.Worksheet 4Quick Start 3 Network Agent
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Quick Start for Network Agent 5-Step Quick Start See - Websense ...

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