All client options must be configured in the /var/ossec/etc/ossec.conf and used within the <ossec_config> tag.
XML excerpt to show location:
<ossec_config>
<client>
<!--
client options here
-->
</client>
</ossec_config>
Specify the IP address of the analysis server
Allowed: Any Valid IP Address
Specify the hostname of the analysis server
Allowed: Any Valid hostname
Specifies the port to send the events (must be the same to the one used by the analysis server).
Default: 1514
Allowed: Any port number from 1 to 65535
Specifies the agent.conf profiles to be used by the agent. Multiple profiles can be included, separated by a comma and a space.
Example:
<client>
<config-profile>webserver, lowmemory</config-profile>
</client>
Specifies the time in seconds between information messages sent by the agents to the server.
Time in seconds until a reconnection attempt. This should be set to a higher number than notify_time.