package envoy.extensions.filters.http.header_mutation.v3

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Configuration for the header mutation filter. The mutation rules in the filter configuration will always be applied first and then the per-route mutation rules, if both are specified.

• optional Mutations mutations = 1

• bool most_specific_header_mutations_wins = 2

  If per route HeaderMutationPerRoute config is configured at multiple route levels, header mutations at all specified levels are evaluated. By default, the order is from most specific (i.e. route entry level) to least specific (i.e. route configuration level). Later header mutations may override earlier mutations. This order can be reversed by setting this field to true. In other words, most specific level mutation is evaluated last.

Per route configuration for the header mutation filter.

• optional Mutations mutations = 1

Used in: HeaderMutation, HeaderMutationPerRoute

• repeated config.common.mutation_rules.v3.HeaderMutation request_mutations = 1

  The request mutations are applied before the request is forwarded to the upstream cluster.

• repeated config.core.v3.KeyValueMutation query_parameter_mutations = 3

  The ``path`` header query parameter mutations are applied after ``request_mutations`` and before the request is forwarded to the next filter in the filter chain.

• repeated config.common.mutation_rules.v3.HeaderMutation response_mutations = 2

  The response mutations are applied before the response is sent to the downstream client.