Epson WorkForce Enterprise WF-C17590 Administrators Guide - Page 62

Pre-Shared Key was Forgotten Cannot Communicate with the Product Using IPsec Communication Communication was Working, but Stopped Cannot Create the Secure IPP Printing Port Cannot Connect After Configuring IPsec/IP Filtering Cannot Access the Product After Configuring IEEE 802.1X Parent topic: Solving Problems Pre-Shared Key was Forgotten If you forget a pre-shared key, change the key using Web Config for the default or group policy. Parent topic: Solving Network Security Problems Cannot Communicate with the Product Using IPsec Communication Make sure your computer is using one of these supported algorithms for communicating with the product: Security method IKE encryption algorithm IKE authentication algorithm IKE key exchange algorithm ESP encryption algorithm ESP authentication algorithm AH authentication algorithm Supported algorithms AES-CBC-128, AES-CBC-192, AES-CBC-256, AES-GCM-128*, AESGCM-192*, AES-GCM-256*, 3DES SHA-1, SHA-256, SHA-384, SHA-512, MD5 DH Group1, DH Group2, DH Group5, DH Group14, DH Group15, DH Group16, DH Group17, DH Group18, DH Group19, DH Group20, DH Group21, DH Group22, DH Group23, DH Group24, DH Group25, DH Group26, DH Group27*, DH Group28*, DH Group29*, DH Group30* AES-CBC-128, AES-CBC-192, AES-CBC-256, AES-GCM-128, AESGCM-192, AES-GCM-256, 3DES SHA-1, SHA-256, SHA-384, SHA-512, MD5 * Available for IKEv2 only Parent topic: Solving Network Security Problems 62