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© 2010 Oracle Corporation – Proprietary and Confidential

Infrastructure Security Best Practices Configure Enterprise Manager for Firewalls

Configure Oracle Management Service on a host protected by a firewall

Configure OMS to use proxy server for its communication to agents outside the firewall

Update the following OMS properties via emctl set property command:

emctl set property –name <property> -value <value>

PROXYHOST=proxyhostname.domain

PROXYPORT =port

If there are some agents on the hosts that are inside the firewall, set dontProxyfor property for these hosts

dontPROXYFor = hostname1,hostname2

Configure firewall to allow inbound communication from Agents to OMS

Default  HTTP/HTTPS Ports: 4889/1159

Non-default port range  4890-4897/4898-4908

Oracle Management

Service

Oracle Management

Repository

Oracle Management

Agent

Grid Control Console

Firewall

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