Docs: extra detail on proxy-protocol

(cherry picked from commit 5376b7ca07e9b00e2552f33270e79c59840a9778)

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index bb486d678a0e98c638dd397a44ad936ab0c15eb3..08a0a974ae652545f4888fc1618f0f65b14c0495 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -40192,6 +40192,8 @@ of the proxy):
 .endd
 If &$proxy_session$& is set but &$proxy_external_address$& is empty
 there was a protocol error.
+The variables &$sender_host_address$& and &$sender_host_port$&
+will have values for the actual client system, not the proxy.
 
 Since the real connections are all coming from the proxy, and the
 per host connection tracking is done before Proxy Protocol is