Do not 503 on Upgrade: h2c instead remove the header and ignore. (#7981) #101
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…oyproxy#7981) Description: When a request comes in on http1 with "upgrade: h2c", the current behavior is to 503. Instead we should ignore the upgrade and remove the header and continue with the request as http1. Risk Level: Medium Testing: Unit test. Hand test with ithub.com/rdsubhas/java-istio client server locally. Docs Changes: N/A Release Notes: http1: ignore and remove Upgrade: h2c. Fixes istio/istio#16391 Signed-off-by: John Plevyak <[email protected]>
rlenglet
approved these changes
Sep 5, 2019
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Description: When a request comes in on http1 with "upgrade: h2c", the current behavior is to 503. Instead we should ignore the upgrade and remove the header and continue with the request as http1.
Risk Level: Medium
Testing: Unit test. Hand test with ithub.com/rdsubhas/java-istio client server locally.
Docs Changes: N/A
Release Notes: http1: ignore and remove Upgrade: h2c.
Fixes istio/istio#16391
Signed-off-by: John Plevyak [email protected]
Cherry-pick from envoyproxy/envoy