Canon imagerunner advance C5550i User Manual page 622

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Specify the port to apply IPSec to.

Press <Specify by Port Number> to use port numbers when specifying the ports that IPSec applies to.

Select <All Ports> to apply IPSec to all port numbers. To apply IPSec to a specific port number, press

<Single Port> and enter the port number. After specifying the ports, press <OK>. Specify the port of

this machine in <Local Port>, and specify the port of the communication peer in <Remote Port>.

Press <Specify by Service Name> to use service names when specifying the ports that IPSec applies to.

Select the service in the list, press <Service On/Off> to set it to <On>, and press <OK>.

Configure the authentication and encryption settings.

Press <IKE Settings>.

Configure the necessary settings.

Select the operation mode for the key exchange protocol. Security is enhanced if you select <Main>

because the IKE session itself is encrypted, but the speed of the session is slower than with

<Aggressive>, which does not encrypt the entire session.

Select one of the authentication methods described below.

Managing the Machine

Select <Specify Prefix> to specify a range of IPv6 addresses using a prefix. Enter

separate values for <Address> and <Prefix Length>.