Multi-socket UDP tunnel
USAGE:
udptun [FLAGS] [OPTIONS]
FLAGS:
-h, --help Prints help information
-4 Exclusively use IPv4
-6 Exclusively use IPv6
-L, --log-data Print a log line per data packet transferred
-B, --print-data-buffer Print the contents of the data buffer for each packet transferred
-v, --verbose Print more information
-V, --version Prints version information
OPTIONS:
-b, --bufsize <SIZE> Packet buffer size, if smaller than packets sent they will get truncated
[default: 65536]
-E, --entry <ADDRESS> Specifies that this is the tunnel entry point; the specified address is the one
clients connect to
-f, --format <FORMAT> Set the log line format
-l, --listen <ADDRESS> The address/port to use for communication inside the tunnel
-r, --remote <ADDRESS> Specifies the address of the other end of the tunnel
--source-format <ADDRESS-FMT> Specifies the IP address range for created dummy client sockets
-T, --target <ADDRESS> Specifies that this is the end of the tunnel the actual server is at; the
specified address is the one of the actual server to proxy
-x, --timeout <SECS> Time in seconds after the last received packet after which a connection is
determined closed [default: 3600]
tunneled connection
(can be established
.----------. by either side*)
/ \ | .------ Client
/ \ v /
Target server -------------- udptun -T ================ udptun -E -------- Client
(not neces- \ / (--target) (--entry) \
sarily acces-\ / *------ Client
sible by the *----------* ^
clients) ^ |
| clients connected
one connection per to tunnel entrypoint
client connected to
tunnel entrypoint
*: the side that establishes the connection is the one that does not use the --listen flag,
remote tunnel address specified by --remote
note: this is seperate from --target/--entry!