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Use this page to specify load-balancing requirements that apply to ePO Managed appliances.

Cluster Management Configuration (Standard appliance)

Do not use this page. Cluster management is disabled.

Cluster Management (Cluster Scanner)

Use this page to specify information for a scanning appliance.

Option Definition

Cluster identifier Specifies an identifier. Range is 0-255.

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Cluster Management (Cluster Master)

Use this page to specify information for a master appliance.

Option Definition

Address to use for load balancing Specifies the appliance address. Cluster identifier Specifies an identifier. Range is 0-255.

Enable scanning on this appliance If not selected, this appliance distributes all scanning workload to the scanning appliances.

Cluster Management (Cluster Failover)

Use this page to specify information for a failover appliance.

Option Definition

Address to use for load balancing Specifies the appliance address. Provides a list of all subnets assigned to the appliance.

Cluster identifier Specifies an identifier. Range is 0-255.

Enable scanning on this appliance If not selected, this appliance distributes all scanning workload to the scanning appliances.

DNS and Routing page

Use this page to configure the appliance's use of DNS and routes.

Domain Name System (DNS) servers translate or "map" the names of network devices into IP

addresses (and the reverse operation). The appliance sends requests to DNS servers in the order that they are listed here.

DNS server addresses

Table 2-8 Option definitions — DNS Servers

Option Definition

Server Address Displays the IP addresses of the DNS servers. The first server in the list must be your fastest or most reliable server. If the first server cannot resolve the request, the appliance contacts the second server. If no servers in the list can resolve the request, the appliance forwards the request to the DNS root name servers on the Internet.

If your firewall prevents DNS lookup (typically on port 53), specify the IP address of a local device that provides name resolution

New Server/ Delete

Selected Servers Adds a new server to the list, or removes one when, for example, when you need todecommission a server due to network changes. Only send queries

to these servers Selected by default. McAfee recommends that you leave this option selected becauseit might speed up DNS queries as the appliance sends the queries to the specified DNS servers only. If they don't know the address, they go to the root DNS servers on the Internet. When they get a reply, the appliance receives it and caches the response so that other servers that query that DNS server can get an answer more quickly.

If you deselect this option, the appliance first tries to resolve the requests, or might query DNS servers outside your network.

Installing the McAfee Email Gateway appliance

Using the Configuration Console

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Routing settings

Table 2-9 Option definitions — Routing

Option Definition

Network Address Type the network address of the route.

Mask Specifies how many hosts are on your network, for example, 255.255.255.0. Gateway Specifies the IP address of the router used as the next hop out of the network. The

address 0.0.0.0 (IPv4), or :: (IPv6) means that the router has no default gateway. Metric Specifies the preference given to the route. A low number indicates a high

preference for that route. New Route / Delete

Selected Routes Add a new route to the table, ore remove routes. Use the arrows to move routesup and down the list. The routes are chosen based on their metric value. Enable dynamic

routing Use this option in transparent router mode only. When enabled, the appliance can:_{• receive broadcast routing information received over RIP (default) that it applies} its routing table so you don't have to duplicate routing information on the appliance that is already present in the network.

• broadcast routing information if static routes have been configured through the user interface over RIP.

Time Settings page

Use this page to set the time and date, and any details for the use of the Network Time Protocol (NTP).

Option Definition

Appliance Time

Zone Specifies the time zone of the appliance. You might need to set this twice each yearif your region observes daylight saving time. Appliance Time

(UTC) Specifies the date and UTC time for the appliance. To select the date, click thecalendar icon. You can determine the UTC time from websites such as http:// www.worldtimeserver.com.

Set Now When clicked, applies the date and UTC time that you specified in this row. Client Time Displays the time according to the client computer from which your browser is

currently connected to the appliance. Synchronize

appliance with client

When selected, the time in the Appliance Time (UTC) immediately takes its value from Client Time. You can use this checkbox as an alternative to manual setting of Appliance Time (UTC). The appliance calculates the UTC time based on the time zone that it finds on the client's browser.

Ensure that the client computer is aware of any daylight savings adjustments. To find the setting on Microsoft Windows, right-click the time display in the bottom right corner of the screen.

Enable NTP When selected, accepts NTP messages from a specified server or a network broadcast. NTP synchronizes timekeeping among devices in a network. Some Internet Service Providers (ISPs) provide a timekeeping service. Because NTP messages are not sent often, they do not noticeably affect the appliance's performance.

Enable NTP client

broadcasts When selected, accepts NTP messages from network broadcasts only. This method isuseful on a busy network but must trust other devices in the network. When deselected, accepts NTP messages only from servers specified in the list.

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Option Definition

NTP Server Displays the network address or a domain name of one or more NTP servers that the appliance uses. For example, time.nist.gov.

If you specify several servers, the appliance examines each NTP message in turn to determine the correct time.

New Server Type the IP address of a new NTP Server.

Password page

Use this page to specify a password for the appliance.

For a strong password, include letters and numbers. You can type up to 15 characters. Option Definition

User ID This is admin. You can add more users later.

Password Specifies the new password. Change the password as soon as possible to keep your appliance secure.

You must enter the new password twice to confirm it. The original default password is password.