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# The default hook is INK_HTTP_READ_RESPONSE_HDR_HOOK, so need to specify that
# Remove any cookie/authentication headers from the origin server response
rm-header Set-Cookie
rm-header WWW-Authenticate

# This technically violates RFC 2616, but allows us to calculate proper age / freshness
# in YTS, even when the origin (*caugh* wikimedia) shows odd Date and Age responses.
rm-header Date
rm-header Age

# If the origin responds with an HTTP status in the 400 range, normalize to a 404
cond %{STATUS} >399 [AND]
cond %{STATUS} <499
set-status 404

# Don't send these headers to the Origin server
cond %{SEND_REQUEST_HDR_HOOK}
rm-header Cache-Control
rm-header Pragma
