AWS

Client.InvalidSecurity: Request has expired

Ported from old site.
 
Here's a quick note for anyone using Amazon EC2.
 
I use a script to automatically create EC2 snapshots a la ec2-create-snapshot ... this then sends me an email notifying me that the snapshots have been started.  Today I got a email that looked like:
 
Client.InvalidSecurity: Request has expired
Client.InvalidSecurity: Request has expired