What is alert 8103?

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Answer

A remote system issued a VRFY command to GMS with a line that is too long. 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

500 Line too long.

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:VRFY attack line too long 8103

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