From 2d21248a780495ce36c40256e226428dbf3598e2 Mon Sep 17 00:00:00 2001
From: Sleeyax <yourd3veloper@gmail.com>
Date: Wed, 26 Feb 2025 23:45:15 +0100
Subject: [PATCH] Remove `content-length` header if present

The content length is already handled internally. Leaving it specified causes strange `400 bad request` errors from the destination server. See: https://github.com/bogdanfinn/tls-client/issues/147.
---
 src-go/server/server.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src-go/server/server.go b/src-go/server/server.go
index 5bcc6cc..5cda47f 100644
--- a/src-go/server/server.go
+++ b/src-go/server/server.go
@@ -77,6 +77,9 @@ func StartServer(addr string) error {
 		req.URL.Scheme = config.Scheme
 		req.RequestURI = ""
 		req.Header[fhttp.HeaderOrderKey] = config.HeaderOrder
+		// The content-length header is already set by the client (internally).
+		// Leaving it here causes strange '400 bad request' errors from the destination, so we remove it.
+		req.Header.Del("Content-Length")
 
 		res, err := client.Do(req)
 		if err != nil {