From 1cffa0f5ec0dba654b118544df5c603c43fbb673 Mon Sep 17 00:00:00 2001
From: bol-van <none@none.none>
Date: Thu, 22 Jan 2026 14:58:33 +0300
Subject: [PATCH] blockcheck2: --wf-tcp-empty=1 required for some methods

---
 blockcheck2.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/blockcheck2.sh b/blockcheck2.sh
index fdcd9d7..8af9720 100755
--- a/blockcheck2.sh
+++ b/blockcheck2.sh
@@ -951,7 +951,8 @@ pktws_start()
 			;;
 		CYGWIN)
 			# allow multiple PKTWS instances with the same wf filter but different ipset
-			"$WINWS2" --wf-dup-check=0 $WF --ipset="$IPSET_FILE" --lua-init=@"$ZAPRET_BASE/lua/zapret-lib.lua" --lua-init=@"$ZAPRET_BASE/lua/zapret-antidpi.lua" "$@" >/dev/null &
+			# some methods require empty acks
+			"$WINWS2" --wf-dup-check=0 --wf-tcp-empty=1 $WF --ipset="$IPSET_FILE" --lua-init=@"$ZAPRET_BASE/lua/zapret-lib.lua" --lua-init=@"$ZAPRET_BASE/lua/zapret-antidpi.lua" "$@" >/dev/null &
 			;;
 	esac
 	PID=$!