A Diagnosis and Hardening Platform for an Asterisk VoIP PBX

Table 1

Security events raised by the PBX through the AMI.

Event name	Situation when it is raised
AuthMethodNotAllowed	A request used an authentication method not allowed by the service
ChallengeSent	An Asterisk service sends an authentication challenge to a request
FailedACL	A request violates an ACL check
FullyBooted	All Asterisk initialization procedures have finished
InvalidAccountID	A request fails an authentication check due to an invalid account ID
InvalidPassword	A request provides an invalid password during an authentication attempt
LoadAverageLimit	A request fails because a configured average load limit has been reached
MemoryLimit	A request fails due to an internal memory allocation failure
RequestBadFormat	A request is received with bad formatting
RequestNotAllowed	A request is not allowed by the service
RequestNotSupported	A request fails due to some aspect of the request not being supported by the service
SessionLimit	A request fails due to exceeding the number of allowed concurrent sessions for the service
SuccessfulAuth	A request successfully authenticates with a service
UnexpectedAddress	A request has a different source address from the expected for an ongoing session