1 files changed, 19 insertions, 0 deletions
diff --git a/bin/flowood_keepalive.py b/bin/flowood_keepalive.py
new file mode 100644
index 0000000..9fbf312
--- /dev/null
+++ b/bin/flowood_keepalive.py
@@ -0,0 +1,19 @@
+#!/usr/bin/python
+# 因某些NAT, 外网出口源端口会变化, 即便绑定了客户端的源端口也不行
+# 所以使用一个脚本, 让数据包源源不断的发送, 就可以维持住NAT的连接表,
+# 
+from scapy import *
+from scapy.all import *
+import random
+
+while 1:
+	ip_pkt = IP(dst='47.75.205.197',src='192.168.10.214')
+	udp_pkt = UDP(dport=64789,sport=64789)
+	#dns_pkt = DNS(id=1,qr=0,opcode=0,tc=0,rd=1,qdcount=1,ancount=0,nscount=0,arcount=0)
+	#dns_pkt.qd=DNSQR(qname='www.keepalive.com',qtype=255,qclass=1)
+	#send_pkt = ip_pkt/udp_pkt/dns_pkt
+	payload = 'test';
+	send_pkt = ip_pkt/udp_pkt/payload
+	send(send_pkt)
+	time.sleep(0.33)
+pass
+\ No newline at end of file