Network Options

This menu option provides the following options to enhance network security:

■

Ignore Internet Control Message Protocol (ICMP) Echo requests: This option ensures that the OVOC server does not respond to ICMP broadcasts, and therefore such replies are always discarded. This prevents attempts to discover the system using ping requests.

■

Ignore ICMP Echo and Timestamp requests: This option ensures that the OVOC server does not respond to an ICMP timestamp request to query for the current time. This reduces exposure to spoofing of the system time.

■

Send ICMP Redirect Messages: This option disables the sending of ICMP Redirect Messages, which are generally sent only by routers.

■

Ignore ICMP Redirect Messages: This option ensures that the OVOC server does not respond to ICMP Redirect broadcasts, and therefore such replies are always discarded.

This prevents an intruder from attempting to redirect traffic from the OVOC server to a different gateway or a non-existent gateway.

➢

To enable network options:

1.

From the Security menu, choose Network Options, and then press Enter.

Network Options

2.

Set the required network options.