2 files changed, 3 insertions, 2 deletions
diff --git a/VERSION b/VERSION
index ed3cb074..5303333c 100755
--- a/VERSION
+++ b/VERSION
@@ -1,4 +1,5 @@
-v2.19
+v2.20
+
 
 
 
diff --git a/src/nat_check.cpp b/src/nat_check.cpp
index 6d92145e..24ed3dc8 100755
--- a/src/nat_check.cpp
+++ b/src/nat_check.cpp
@@ -199,7 +199,7 @@ void CNatRxManager::handle_packet_ipv4(CNatOption *option, IPHeader *ipv4, bool
                     uint64_t map_key = (dst_ip << 16) + dst_port;
                     double time_stamp = now_sec();
                     m_ft.insert(map_key, tcp_ack, time_stamp);
-                    m_ft.clear_old(time_stamp - 1);
+                    m_ft.clear_old(time_stamp - 10);
                 }
             } else {
                 uint16_t ip_id = ipv4->getId();