[RHOCP 4] Encountering a 503 error on the passthrough route when the domain differs from *.apps.

Solution In Progress - Updated -


  • Router pods are returning a fe_no_sni alert in the access logging.

    <Date> <Time> <Hostname of Worker Node> <FQDN of Worker Node> haproxy[57]: 10.2xx.xx5.1xx:62375 [Date:Time] fe_no_sni~ openshift_default/<NOSRV> 0/-1/-1/-1/0 503 2660 - - SC-- 126/1/0/0/0 0/0 "GET / HTTP/1.1"
  • Receiving a 503 error from router pods on a passthrough route when the external LoadBalancer fails to pass headers to the router pods.


  • Red Hat OpenShift Container Platform
    • 4

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content