A few other ways to identify a device such as a load balancer are listed here:
- Analyzing SSL differences between servers: There can be minor changes in the SSL configuration across different web servers. The timestamp on the certificate issued to the web servers in the pool may vary. The difference in the SSL configuration can be used to determine whether multiple servers are configured behind a load balancer.
- Redirecting to a different URL: Another method of load balancing requests across servers is by redirecting the client to a different URL to distribute load. A user may browse to a website, www.example.com, but gets redirected to www2.example.com instead. A request from another user gets redirected ...