Epson ES-C380W User Manual page 211

Setting
Remote Port
IKE Version
Authentication Method
Pre-Shared Key
ID Type
ID
Encapsulation
Remote
Options/Description
If you selected Port Number as the Method of Choosing
Port option, and TCP or UDP for the Transport Protocol
option, enter the port numbers that control sending
packets (up to 10 ports), separated by commas, for
example 25,80,143,5220; leave this setting blank to
control all ports; see the next table for more information
Select IKEv1 or IKEv2 depending on the device that the
product is connected to
If you selected IPsec as the Access Control option,
select an authentication method here
If you selected Pre-Shared Key as the Authentication
Method option, enter a pre-shared key between 1 and
127 characters long here and in the Confirm Pre-Shared
Key field
If you selected IKEv2 as the IKE Version setting, select
the ID type from the list
If you selected IKEv2 as the IKE Version setting, enter
the necessary ID information
If you selected IPsec as the Access Control option,
select one of these encapsulation modes:
Transport Mode: if you are using the product on the
same LAN; IP packets of layer 4 or later are encrypted
Tunnel Mode: if you are using the product on an Internet-
capable network, such as IPsec-VPN; the header and
data of IP packets are encrypted
If you selected Tunnel Mode as the Encapsulation
option, enter a gateway address between 1 and 39
characters long
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