Epson WorkForce Pro WF-C5890 Users Guide - Page 342

Setting Remote Port Authentication Method Pre-Shared Key Encapsulation Remote Gateway(Tunnel Mode) Security Protocol Group Policy Guidelines 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 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 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 Internetcapable 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 If you selected IPsec as the Access Control option, select one of these security protocols: ESP: to ensure the integrity of authentication and data, and encrypt data AH: to ensure the integrity of authentication and data; if data encryption is prohibited, you can use IPsec 342