From cd4d0baacd53e35dee78ed38bfd145a9408d4398 Mon Sep 17 00:00:00 2001
From: RPRX <63339210+RPRX@users.noreply.github.com>
Date: Sat, 25 Apr 2026 23:03:19 +0000
Subject: [PATCH] Xray-core: Mark "legacy reverse" as removed to avoid
 confusions

https://github.com/XTLS/Xray-core/issues/5973#issuecomment-4273582111

https://github.com/XTLS/Xray-core/pull/5947#issuecomment-4273415252
---
 infra/conf/xray.go       | 1 +
 proxy/freedom/freedom.go | 5 ++---
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/infra/conf/xray.go b/infra/conf/xray.go
index 9d68a7e9..d01dac2b 100644
--- a/infra/conf/xray.go
+++ b/infra/conf/xray.go
@@ -547,6 +547,7 @@ func (c *Config) Build() (*core.Config, error) {
 	}
 
 	if c.Reverse != nil {
+		return nil, errors.PrintRemovedFeatureError(`"legacy reverse"`, `"VLESS Reverse Proxy"`)
 		r, err := c.Reverse.Build()
 		if err != nil {
 			return nil, errors.New("failed to build reverse configuration").Base(err)
diff --git a/proxy/freedom/freedom.go b/proxy/freedom/freedom.go
index bc05d04a..aeb54c9c 100644
--- a/proxy/freedom/freedom.go
+++ b/proxy/freedom/freedom.go
@@ -348,20 +348,19 @@ type PacketReader struct {
 
 func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
 	b := buf.New()
+	b.Resize(0, buf.Size)
 	for {
-		b.Resize(0, buf.Size)
 		n, d, err := r.PacketConnWrapper.ReadFrom(b.Bytes())
 		if err != nil {
 			b.Release()
 			return nil, err
 		}
-		b.Resize(0, int32(n))
-
 		udpAddr := d.(*net.UDPAddr)
 		sourceAddr := net.IPAddress(udpAddr.IP)
 		if isBlockedAddress(r.BlockedIPMatcher, sourceAddr) {
 			continue
 		}
+		b.Resize(0, int32(n))
 
 		// if udp dest addr is changed, we are unable to get the correct src addr
 		// so we don't attach src info to udp packet, break cone behavior, assuming the dial dest is the expected scr addr