title: Increase header size in Istio
body: <p>When the user has many roles associated with it, the Authorization bearer token will exceed the max header size provided by istio which blocks all the requests.</p>
  
  <p>The authorization bearer token has more than 35,000 characters with 34K size.</p>
  
  <p>How can I increase the max header size provided by istio?</p>