How to disable Service banner from master nodes in OCP 4

Solution Verified - Updated -

Issue

  • How to disable Service Banner in RHOCP master nodes.

  • If any user, be it authenticated or unauthenticated, accesses the URL https://[master-node-ip]:6443/version, the version details can be known:

    $ curl -k https://master-0.cluster.redhat.com:6443/version
{
"major": "1",
"minor": "21",
"gitVersion": "v1.21.1+9807387",
"gitCommit": "98073871f173baaa04dc2bafab50effd62c308a6",
"gitTreeState": "clean",
"buildDate": "2021-08-06T14:06:43Z",
"goVersion": "go1.16.6",
"compiler": "gc",
"platform": "linux/amd64"
}

  • Is the above a security concern?

Environment

  • Red hat OpenShift Container Platform (RHOCP)
    • 4

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