Socat is a more complex variant of netcat. Solaris 11 includes netcat implementation based on OpenBSD netcat. īusyBox includes by default a lightweight version of netcat. Known ports for embedded systems includes versions for Windows CE (named 'Netcat 4 wince' ) or for the iPhone. It is based on the WatTCP stack and licensed under the European Union Public Licence Version 1.1.

Ī DOS version of netcat called NTOOL is included in the FreeDOS Package group Networking. Mac OS X comes with netcat installed as of OSX 10.13 or users can use MacPorts to install a variant. The OpenBSD version has been ported to the FreeBSD base, Īnd Linux. The latter of which supports IPv6 and TLS. There are several implementations on POSIX systems, including rewrites from scratch like GNU netcat or OpenBSD netcat, The last version (1.10) was released in March 1996. The original version of netcat was a Unix program. For example, OpenBSD's nc supports TLS, and GNU netcat natively supports a tunneling mode supporting UDP and TCP (optionally allowing one to be tunneled over the other) in a single command, where other versions may require piping data from one netcat instance to another. Rewrites like GNU's and OpenBSD's support additional features.

Optional ability to let another program service establish connections.

Hex dump of transmitted and received data.

Slow-send mode, one line every N seconds.

Can read command line arguments from standard input.

Built-in loose source-routing capability.

Built-in port-scanning capabilities, with randomization.

Ability to use any locally configured network source address.

Full DNS forward/reverse checking, with appropriate warnings.

Outbound or inbound connections, TCP or UDP, to or from any ports.

Its list of features includes port scanning, transferring files, and port listening: as with any server, it can be used as a backdoor. At the same time, it is a feature-rich network debugging and investigation tool, since it can produce almost any kind of connection its user could need and has a number of built-in capabilities. The command is designed to be a dependable back-end that can be used directly or easily driven by other programs and scripts. Netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. Original version: custom, permissive license Unix and Unix-like, DOS, Microsoft Windows, Windows CE

Port forward network utility crack