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Agent-server communication Interval

The agent‑server communication interval (ASCI) determines how often the McAfee Agent calls in to

the McAfee ePO server.

The agent‑server communication interval is set on the General tab of the McAfee Agent Policy page. The

default setting of 60 minutes means that the agent contacts the server once every hour. When

deciding whether to modify the interval, consider that the agent performs each of the following actions

at each ASCI:

• Collects and sends its properties.

• Sends non‑priority events that have occurred since the last agent‑server communication.

• Enforces policies.

• The Agent Handler or the ePolicy Orchestrator server sends new policies and tasks to the client.

This action might trigger other resource‑consuming actions.

• Many systems managed by ePolicy Orchestrator.

• Your organization has stringent threat response requirements.

• Inadequate available bandwidth.

In general, if your environment includes these variables, you want to perform agent‑server

communications less frequently. For clients with critical functions, you might want to set a more

frequent interval.

Agent-server communication interruption handling

Interruption handling resolves issues that prevent a system from connecting with a McAfee ePO server.

Communication interruptions can happen for many of reasons, and the Agent‑Server connection

algorithm is designed to reattempt communication if its first attempt fails.

The McAfee Agent cycles through the following connection methods six times or until one of a set of

responses is returned.

IP address

Fully qualified domain name

NetBIOS

The agent iterates through those three connection methods in that order up to six times for a total of

18 connection attempts. There is no delay between connection attempts. The agent stops this cycle if

a connection attempt results in any of the following:

• No error

• Download failed

• Upload failed

• Agent is shutting down

• Transfer aborted

• Server busy (status code from McAfee ePO server)

• Upload success (status code from McAfee ePO server)

• Agent needs new keys

Working with the agent from the McAfee ePO server

How agent-server communication works

McAfee

Agent 4.8.0 Product Guide

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Red Hat LINUX VIRTUAL SERVER 4.6 - ADMINISTRATION Guia do Utilizador Página 66