From fdf610850b5e5dcb518eb2ad475817d6990b8a8d Mon Sep 17 00:00:00 2001
From: WeidiDeng <weidi_deng@icloud.com>
Date: Thu, 21 Aug 2025 05:31:15 +0800
Subject: [PATCH] http: disable keepalive when KeepAliveInterval is negative
 (#7158)

Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
---
 modules/caddyhttp/app.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/caddyhttp/app.go b/modules/caddyhttp/app.go
index afa6cd0f..a6ec3722 100644
--- a/modules/caddyhttp/app.go
+++ b/modules/caddyhttp/app.go
@@ -533,7 +533,7 @@ func (app *App) Start() error {
 					// create the listener for this socket
 					lnAny, err := listenAddr.Listen(app.ctx, portOffset, net.ListenConfig{
 						KeepAliveConfig: net.KeepAliveConfig{
-							Enable:   srv.KeepAliveInterval != 0,
+							Enable:   srv.KeepAliveInterval >= 0,
 							Interval: time.Duration(srv.KeepAliveInterval),
 						},
 					})