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  1. Undertow
  2. UNDERTOW-860

Proxy address forwarding should omit the port information in the HOST header for default ports

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    • Feature Request
    • Resolution: Obsolete
    • Major
    • None
    • None
    • Core
    • None

    Description

      The class ProxyPeerAddressHandler always adds the port to the HOST header field. While it is allowed to always add the port, this breaks for example keycloak running behind a reverse proxy (https://issues.jboss.org/browse/KEYCLOAK-2830)

      According to the HTTP specification (https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.23) the port can be left out, if it is the default port for the current schema (80 for HTTP and 443 for HTTPS).

      Most (if not all) browser implement the HOST header this way, they only send the port if it is different from the default.

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          is related to

          Bug - A problem that impairs or prevents the functions of the product. UNDERTOW-981 ProxyPeerAddressHandler should filter default ports of a scheme

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Resolved

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              sdouglas1@redhat.com Stuart Douglas
              markus-1 Markus Heberling (Inactive)
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                Created:
                Updated:
                Resolved: