D-Link DFL-260E User Manual for DFL-260E - Page 105
Custom Service Timeouts, Initial Timeout, Establish Idle Timeout, Closing Timeout
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3.3.6. Custom Service Timeouts Chapter 3. Fundamentals service to allow all email related traffic to flow. Groups Can Contain Other Groups When a group is defined then it can contain individual services and/or service groups. This ability to have groups within groups should be used with caution since it can increase the complexity of a configuration and decrease the ability to troubleshoot problems. 3.3.6. Custom Service Timeouts Any service can have its custom timeouts set. These can also be set globally in NetDefendOS but it is more usual to change these values individually in a custom service. The timeout settings that can be customized are as follows: • Initial Timeout This is the time allowed for a new connection to be open. • Establish (Idle) Timeout If there is no activity on a connection for this amount of time then it is considered to be closed and is removed from the NetDefendOS state table. The default setting for this time with TCP/UDP connections is 3 days. • Closing Timeout The is the time allowed for the connection to be closed. The administrator must make a judgement as what the acceptable values should be for a particular protocol. This may depend, for example, on the expected responsiveness of servers to which clients connect. 105