From b4acae85b8e39462176785592e2f7d9a6da37e7b Mon Sep 17 00:00:00 2001
From: Nicola Murino <nicola.murino@gmail.com>
Date: Thu, 31 Oct 2024 14:30:49 +0100
Subject: [PATCH] proxy protocol: improve logging

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
---
 internal/common/common.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/internal/common/common.go b/internal/common/common.go
index 510c642a1..7c430a995 100644
--- a/internal/common/common.go
+++ b/internal/common/common.go
@@ -831,6 +831,8 @@ func getProxyPolicy(allowed, skipped []func(net.IP) bool, def proxyproto.Policy)
 		}
 
 		if def == proxyproto.REQUIRE {
+			logger.Debug(logSender, "", "reject connection from ip %q: proxy protocol signature required and not set",
+				upstreamIP)
 			return proxyproto.REJECT, proxyproto.ErrInvalidUpstream
 		}
 		return def, nil