anchor.diff:  WebSocket connections to timeout frequently on that route.
   ====
   
  +.A route that allows only one specific IP address
  +[source,yaml]
  +----
  +metadata:
  +  annotations:
  +    haproxy.router.openshift.io/ip_whitelist: 192.168.1.10
  +----
  +
  +.A route that allows several IP addresses
  +[source,yaml]
  +----
  +metadata:
  +  annotations:
  +    haproxy.router.openshift.io/ip_whitelist: 192.168.1.10 192.168.1.11 192.168.1.12
  +----
  +
  +.A route that allows an IP address CIDR network
  +[source,yaml]
  +----
  +metadata:
  +  annotations:
  +    haproxy.router.openshift.io/ip_whitelist: 192.168.1.0/24
  +----
  +
  +.A route that allows both IP an address and IP address CIDR networks
  +[source,yaml]
  +----
  +metadata:
  +  annotations:
  +    haproxy.router.openshift.io/ip_whitelist: 180.5.61.153 192.168.1.0/24 10.0.0.0/8
  +----
   
   .A route specifying a rewrite target
   [source,yaml]
  
positive.code: 
  [NOTE]
  ====
  Environment variables can not be edited.
  ====
  
  .A route setting custom timeout
  
negative.code: |`haproxy.router.openshift.io/rate-limit-connections.rate-tcp`| Limits the rate at which an IP address can make TCP connections. |
  |`haproxy.router.openshift.io/timeout` | Sets a server-side timeout for the route. (TimeUnits) | `ROUTER_DEFAULT_SERVER_TIMEOUT`
  |`router.openshift.io/haproxy.health.check.interval`| Sets the interval for the back-end health checks. (TimeUnits) | `ROUTER_BACKEND_CHECK_INTERVAL`
  |`haproxy.router.openshift.io/ip_whitelist`
  | Sets a whitelist for the route. The whitelist is a space-separated list of IP addresses and CIDR ranges for the approved source addresses. Requests from IP addresses that are not in the whitelist are dropped. |
  |`haproxy.router.openshift.io/hsts_header` | Sets a Strict-Transport-Security header for the edge terminated or re-encrypt route. |
  |`haproxy.router.openshift.io/log-send-hostname` | Sets the `hostname` field in the Syslog header. Uses the host name of the system. `log-send-hostname` is enabled by default if any Ingress API logging method, such as sidecar or Syslog facility, is enabled for the router. |
  |`haproxy.router.openshift.io/rewrite-target` | Sets the rewrite path of the request on the backend. |
  