I use Cloudflare with the proxy feature for my servers. And I’m thinking of using DigitalOcean’s load balancing feature instead of CF. The problem is that the CF changes the source IPs for each request, can this affect the navigation of my users?
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DigitalOcean Load Balancers will set some HTTP headers that pass the source IP through to your backend servers, like CloudFlare does with X-Forwarded-For, and CF-Connecting-IP headers.
From the Protocol Support section of the docs:
The load balancer sets the
X-Forwarded-For,X-Forwarded-Proto, andX-Forwarded-Portheaders to give the backend servers information about the original request.
So that’s one way to access the client/source IP information for an incoming HTTP request.
Another is to use the PROXY Protocol support that’s built in - but there you have to make sure your backend servers support it, otherwise the Load Balancer will mark them unhealthy.
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