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External Services Interface

The ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. provides an open interface that is used to integrate security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. allows selective redirection of traffic to external service appliances such as anti-virus gatewaysGateway is a network node that allows traffic to flow in and out of the network., content filters, and intrusion detection systems. When “interesting” traffic is detected by these external devices, it can be dropped, logged, modified, or transformed according to the rules of the device. ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. also permits configuration of different server groups—with each group potentially performing a different action on the traffic.

You can configure ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. to do one or more of the following for each group:

Redirect specified types of traffic to the server

Perform health checks on each of the servers in the group

Perform per-session load balancing between the servers in each group

Provide an interface for the server to return information about the client that can place the client in special roles such as “quarantine"

 

ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. cannot function or send information across an IPsecInternet Protocol security. IPsec is a protocol suite for secure IP communications that authenticates and encrypts each IP packet in a communication session. tunnel.

ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. also provides the ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. syslog parser, which is a mechanism for interpreting syslog messages from third-party appliances such as anti-virus gatewaysGateway is a network node that allows traffic to flow in and out of the network., content filters, and intrusion detection systems. The ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. syslog parser is a generic syslog parser that accepts syslog messages from external devices, processes them according to user-defined rules, and then takes configurable actions on system users.

Topics in this section include:

Sample ESI Topology

Understanding the ESI Syslog Parser

Configuring ESI

Sample Route-Mode ESI Topology

Sample NAT-mode ESI Topology

Understanding BRE Syntax

 

The ESIExternal Services Interface. ESI provides an open interface for integrating security solutions that solve interior network problems such as viruses, worms, spyware, and corporate compliance. feature requires that the Policy Enforcement FirewallFirewall is a network security system used for preventing unauthorized access to or from a private network. Next Generation license is installed on the managed device.

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