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so hereamp;#39;s a scenario you might have to worry about so letamp;#39;s say you have a user thatamp;#39;s requesting something from your web application and you need to know what their IP address is so you know the request goes through and then on the ec2 instance you look for it but it turns out that itamp;#39;s not actually their IP address itamp;#39;s the IP address of the load balancer so how do we actually see the useramp;#39;s IP address well thatamp;#39;s through the x-forwarded-for header which is a standardized header when doing with load balancers so the x-forwarded-for header is a command method for identifying the originating IP address of a connecting or a client connecting to a web server through HTTP proxy or a load balancer so you would just ordered make sure that in your web application that you are using that header and then you just have to read it within your web application to get that useramp;#39;s IP address
