What is alert 8112?

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Answer

A remote system issued a EXPN command to GMS but GMS has been configured not to respond with any information. GMS has rejected the command.

In this case session Undefined was processing a connection from the server/client at Undefined when it received the command

 Undefined 

so GMS responded with

505 Disabled.

This problem is most likely to be caused by someone who is attacking your system to attempt to find a weakness. This potential attack has been identified by GMS and ignored. To find out why this is being done, contact the owner of the IP address Undefined and ask them.

See Also:

Keywords:EXPN disabled attack command not allowed 8112

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