McAfee FIREWALL 2.10 Manual do Utilizador descarregar pdf (Página 8)

Using virus scanners

1.2 Using virus scanners

McAfee VirusScan (V8.5; V8.5i; V8.7) Configuration

8 Commissioning Manual, 08/2009, A5E02634985-01

1.2.4 Using antivirus software

Information for configuration of local virus scanners

● Integrated firewall of the virus scanner

The local Windows firewall is used as of PCS 7 V7.0 and configured with the SIMATIC

Security Control (SSC) component. The firewalls integrated in the virus scanners are

therefore not installed.

● Manual scan (manual scan, on demand scan)

A manual scan should never be performed on virus scan clients during process mode

(runtime). This should take place at regular intervals, e.g. during maintenance, on all

computers of the system.

● Automatic scan (auto-protect, on-access scanning)

With automatic scanning, it is sufficient to check the incoming data traffic.

● Scheduled scan (planned search, on demand scan)

A scheduled scan should never be performed on virus scan clients during process mode

(runtime).

● Displaying messages

To ensure that process mode is not inhibited, no messages should be displayed on the

virus scan clients.

● Drives

To avoid overlapping scanning of network drives, only local drives are scanned.

● E-mail scan

Scanning of e-mail can be disabled except on the engineering station which receives e-

mails.

● Division into groups

Organize your virus scan clients in groups.

● Deployment of the virus signature (pattern update)

The deployment of the virus signatures to the virus scan clients is performed by the

upstream virus scan server. Test the virus signatures in a test system before deploying

them in process mode to ensure that work correctly. Distribute the virus signatures

manually to the respective groups.

● Update the virus scan engine

Do not conduct the virus scan engine update in runtime as these updates will probably

require you to restart the virus scan client.

Note on installation

The software installation must be carried out from a virus-free storage location (e.g. from a

file server with its own virus scanner or from a certified DVD). During the software

installation, automatic changes are often carried out in the operating system. An enabled

virus scanner must not obstruct or falsify the software installation.

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McAfee FIREWALL 2.10 Manual do Utilizador Página 8