Adding Headers to Zuul when re-directing

Question

I am trying to use Zuul to redirect calls to a downstream system somewhere else. In the re-direct, I need to add in a Header with necessary data for the

Answer 1

A little late my response but works fine
As referred in the official documentation Cookies and Sensitive Headers
The sensitiveHeaders are a blacklist, and the default is not empty. Consequently, to make Zuul send all headers (except the ignored ones), you must explicitly set it to the empty list. Doing so is necessary if you want to pass cookie or authorization headers to your back end. The following example shows how to use sensitiveHeaders:

zuul:
  routes:
    entry:
      path: /users/**
      strip-prefix: false
      service-id: users-service
      sensitive-headers:
      - Cookie,Set-Cookie

This implemented example can also help you