.. _security-protocol-must-be-one-of-"aes128",-or-"aes-e_error: Security protocol must be one of "AES128", or "AES E_ERROR ---------------------------------------------------------- .. meta:: :description: Security protocol must be one of "AES128", or "AES E_ERROR: The fourth argument of snmp3_get() must be one of the following values, "AES128", or "AES". :og:image: https://php-errors.readthedocs.io/en/latest/_static/logo.png :og:type: article :og:title: Security protocol must be one of "AES128", or "AES E_ERROR :og:description: The fourth argument of snmp3_get() must be one of the following values, "AES128", or "AES" :og:url: https://php-errors.readthedocs.io/en/latest/messages/security-protocol-must-be-one-of-%22aes128%22%2C-or-%22aes-e_error.html :og:locale: en :twitter:card: summary_large_image :twitter:site: @exakat :twitter:title: Security protocol must be one of "AES128", or "AES E_ERROR :twitter:description: Security protocol must be one of "AES128", or "AES E_ERROR: The fourth argument of snmp3_get() must be one of the following values, "AES128", or "AES" :twitter:creator: @exakat :twitter:image:src: https://php-errors.readthedocs.io/en/latest/_static/logo.png .. raw:: html Description ___________ The fourth argument of snmp3_get() must be one of the following values, "AES128", or "AES". The DES protocol must be inactive to see this error message. Otherwise, a distinct message is displayed. Case is important. There are not constants to for these values. Example _______ .. code-block:: php getMessage() . \PHP_EOL; } ?> Solutions _________ + Use one of the two possible values. Related Error Messages ______________________ + :ref:`security-protocol-must-be-one-of-"des",-"aes128",-or-"aes-e_error`