Symantec™ Security Gateways Reference Guide - Sawmill

164 Log messagesNotice messages (200-299)218 - Bad authentication challenge received from serverDescription: A bad authentication challenge is received from the server. The message is dropped.218 - Bad authentication response received from serverDescription: A bad authentication response is received from the server. The message is dropped.218 - Illegal request/response receivedDescription: An unexpected protocol is used, or certain events are out of sequence, which signify an attack. The type ofrequest is identified from the resource parameter. Check for other log messages related to this address.218 - Invalid H.323 protocol. Bad version in RFC 1006 headerDescription: The H.323 protocol is invalid. The message provides details on this error.218 - Invalid H.323 protocol. Message decode failedDescription: The packet could not be decoded as a valid H.323. The log message provides information on this error.218 - Invalid protocol (bad challenge from host)Description: An attempt to access the security gateway readhawk process failed. Access denied.218 - Invalid protocol (bad checksum from host)Description: An attempt to access the security gateway readhawk process failed. Access denied.218 - Invalid protocol (illegal message length from host)Description: An attempt to access the security gateway readhawk process failed. Access denied.218 - Invalid Q.931 protocol. Error in fieldDescription: The Q.931 protocol (Call signalling and control) is invalid. The log message provides details on this error.218 - Invalid Q.931 protocol. Error parsing ASNDescription: The Q.931 protocol (Call signalling and control) is invalid. The log message provides details on this error.218 - Invalid RealAudio protocol, requesting client UDP port not in rangeDescription: A client has attempted a RealAudio connection, over a UDP port, that is not available.218 - Invalid real-time streaming protocolDescription: This is an invalid real-time streaming protocol.218 - Invalid SMTP protocolDescription: The security gateway has drop the mail message because the SMTP protocol is invalid. The additionalparameters in this message provide details on this error.