udp-holepunch - Python script for UDP holepunching using a webserver. With an example of SSH using this and sctp-echo. git clone https://benconnors.ca/git-repos/udp-holepunch

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commit d99f969405fe754cd41142ec2400ef56391f3daa
parent 45e8ff1a9ccbc6a6086704d71ebee3ea3344ce2f
Author: Ben Connors <benconnors@outlook.com>
Date:   Thu, 30 Jul 2026 13:02:02 -0400

Formatting fixes

Diffstat:
M
udp_holepunch.py
 | 
17
++++++++++++++---

1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/udp_holepunch.py b/udp_holepunch.py
@@ -282,7 +282,7 @@ if __name__ == "__main__":
             "-l", "--local-port", 
             type=int, 
             default=0, 
-            help="Fixed UDP port for us to use (defaults to 0 = auto-assigned by system)"
+            help="Fixed internal UDP port for us to use (defaults to 0 = auto-assigned by system)"
         )
         p.add_argument(
             "-p", "--server-port", 
@@ -314,9 +314,20 @@ if __name__ == "__main__":
     args = parser.parse_args()
 
     if args.type == "client":
-        ret = udp_holepunch_client(args.local_port, args.server_name, args.server_port, args.server_path, no_ack=args.skip_ack)
+        ret = udp_holepunch_client(
+            args.local_port,
+            args.server_name,
+            args.server_port,
+            args.server_path,
+            no_ack=args.skip_ack
+        )
     else:
-        ret = udp_holepunch_server(args.local_port, args.server_port, args.server_path, no_ack=args.skip_ack)
+        ret = udp_holepunch_server(
+            args.local_port,
+            args.server_port,
+            args.server_path,
+            no_ack=args.skip_ack
+        )
         if ret is None:
             sys.exit(1)