# Load Balancers Support

[How to Troubleshoot Load Balancer Health Check Issues](https://docs.digitalocean.com/support/how-to-troubleshoot-load-balancer-health-check-issues/index.html.md): Health checks often fail due to firewalls or misconfigured backend server software.

[How do I enable PROXY protocol when my load balancer sends requests to the NGINX Ingress Controller?](https://docs.digitalocean.com/support/how-do-i-enable-proxy-protocol-when-my-load-balancer-sends-requests-to-the-nginx-ingress-controller/index.html.md): Edit the ConfigMap which nginx uses to enable PROXY protocol.

[Why does my load balancer respond with a 504 Gateway Timeout error?](https://docs.digitalocean.com/support/why-does-my-load-balancer-respond-with-a-504-gateway-timeout-error/index.html.md): By default, load balancers time out after the connection has been idle for 60 seconds. You can customize the timeout duration.

[Why does my load balancer respond with an HTTP 503 error?](https://docs.digitalocean.com/support/why-does-my-load-balancer-respond-with-an-http-503-error/index.html.md): Load balancers return 503 errors when there are either no Droplets assigned to them or all of the assigned Droplets are unhealthy.

[I can't reach a Droplet through my DigitalOcean Load Balancer](https://docs.digitalocean.com/support/i-cant-reach-a-droplet-through-my-digitalocean-load-balancer/index.html.md): Your load balancer may be down or not directing traffic to the target Droplet.

[Why do my DOKS load balancer settings keep reverting?](https://docs.digitalocean.com/support/why-do-my-doks-load-balancer-settings-keep-reverting/index.html.md): You can configure load balancers that are provisioned by DOKS using Kubernetes service annotations.

[Why do my load balancer's Kubernetes node(s) have the No Traffic status?](https://docs.digitalocean.com/support/why-do-my-load-balancers-kubernetes-nodes-have-the-no-traffic-status/index.html.md): Kubernetes service ’externaltrafficpolicy’ field controls how nodes respond to health checks.

[Why did all of my backend Droplets become unhealthy when I enabled PROXY protocol on my load balancer?](https://docs.digitalocean.com/support/why-did-all-of-my-backend-droplets-become-unhealthy-when-i-enabled-proxy-protocol-on-my-load-balancer/index.html.md): Enable PROXY protocol support on your Droplets.