From 1f43e8566b4c1d66a00a138188f0defc5adc6d75 Mon Sep 17 00:00:00 2001
From: Matthew Holt <mholt@users.noreply.github.com>
Date: Mon, 9 Feb 2026 14:18:55 -0700
Subject: [PATCH] caddyhttp: Use case-insensitive comparison for large Host
 lists

---
 modules/caddyhttp/matchers.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/caddyhttp/matchers.go b/modules/caddyhttp/matchers.go
index 25666a481..afba1b36f 100644
--- a/modules/caddyhttp/matchers.go
+++ b/modules/caddyhttp/matchers.go
@@ -319,7 +319,7 @@ func (m MatchHost) MatchWithError(r *http.Request) (bool, error) {
 			}
 			return m[i] >= reqHost
 		})
-		if pos < len(m) && m[pos] == reqHost {
+		if pos < len(m) && strings.EqualFold(m[pos], reqHost) {
 			return true, nil
 		}
 	}