Canon LBP251 User Manual page 345

<System Management Settings>
Select <Off> or <On>
*1
Use IPSec
Select whether to perform encrypted communication by establishing a virtual private network (VPN) via IPSec.
Configuring IPSec Settings(P. 239)
Off
On
<System Management Settings>
Select <Off> or <On>
IPv4 Address Filter
Enable or disable settings for filtering packets sent to or received from devices with specified IPv4 addresses.
Specifying IP Addresses for Firewall Rules(P. 219)
Outbound Filter
Off
On
Inbound Filter
Off
On
<System Management Settings>
Filter>
<On>
IPv6 Address Filter
Enable or disable settings for filtering packets sent to or received from devices with specified IPv6 addresses.
Specifying IP Addresses for Firewall Rules(P. 219)
Outbound Filter
Off
On
Inbound Filter
Off
On
Setting Menu List
Restart the machine
Restart the machine
Select <Outbound Filter> or <Inbound Filter>
Restart the machine
339
<Security Settings>
<Security Settings>
<Security Settings>
Select <Off> or
<Use SSL>
<Use IPSec>
<IPv4 Address