From 2cadc1621f3a797a1237f495eb975f83cb15f723 Mon Sep 17 00:00:00 2001
From: SajjadPourali <sajjad@pourali.com>
Date: Tue, 16 Apr 2024 11:55:00 -0400
Subject: [PATCH] Discard incoming segments that contain an RST, when state is
 CLOSED

---
 Cargo.toml        | 2 +-
 src/stream/tcp.rs | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 233b00e..74e85d0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ udp-stream = { version = "0.0", default-features = false }
 criterion = { version = "0.5" }
 
 #tun2.rs example
-tun2 = { version = "1.2", features = ["async"] }
+tun2 = { version = "1.3", features = ["async"] }
 
 #tun_wintun.rs example
 [target.'cfg(any(target_os = "linux", target_os = "macos"))'.dev-dependencies]
diff --git a/src/stream/tcp.rs b/src/stream/tcp.rs
index c55935c..e82441c 100644
--- a/src/stream/tcp.rs
+++ b/src/stream/tcp.rs
@@ -84,7 +84,9 @@ impl IpStackTcpStream {
             write_notify: None,
         };
         if !tcp.inner().syn {
-            _ = pkt_sender.send(stream.create_rev_packet(RST | ACK, TTL, None, Vec::new())?);
+            if !tcp.inner().rst {
+                _ = pkt_sender.send(stream.create_rev_packet(RST | ACK, TTL, None, Vec::new())?);
+            }
             Err(IpStackError::InvalidTcpPacket)
         } else {
             Ok(stream)