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Annotation of src/usr.bin/nc/netcat.blurb, Revision 1.1

1.1     ! deraadt     1: Netcat 1.10 is an updated release of Netcat, a simple Unix utility which reads
        !             2: and writes data across network connections using TCP or UDP protocol.  It is
        !             3: designed to be a reliable "back-end" tool that can be used directly or easily
        !             4: driven by other programs and scripts.  At the same time it is a feature-rich
        !             5: network debugging and exploration tool, since it can create almost any kind of
        !             6: connection you would need and has several interesting built-in capabilities.
        !             7:
        !             8: Some of netcat's major features are:
        !             9:
        !            10:        Outbound or inbound connections, TCP or UDP, to or from any ports
        !            11:        Full DNS forward/reverse checking, with appropriate warnings
        !            12:        Ability to use any local source port
        !            13:        Ability to use any locally-configured network source address
        !            14:        Built-in port-scanning capabilities, with randomizer
        !            15:        Built-in loose source-routing capability
        !            16:        Can read command line arguments from standard input
        !            17:        Slow-send mode, one line every N seconds
        !            18:        Hex dump of transmitted and received data
        !            19:        Optional ability to let another program service established connections
        !            20:        Optional telnet-options responder
        !            21:
        !            22: A very short list of potential uses:
        !            23:
        !            24:        Script backends
        !            25:        Scanning ports and inventorying services, automated probes
        !            26:        Backup handlers
        !            27:        File transfers
        !            28:        Server testing, simulation, debugging, and hijacking
        !            29:        Firewall testing
        !            30:        Proxy gatewaying
        !            31:        Network performance testing
        !            32:        Address spoofing tests
        !            33:        Protecting X servers
        !            34:        1001 other uses you'll likely come up with
        !            35:
        !            36: Changes between the 1.00 release and this release:
        !            37:
        !            38:        Better portability -- updated generic.h and Makefile [thanx folks!]
        !            39:        Indication of local-end interface address on inbound connections
        !            40:        That's *Dave* Borman's telnet, not Paul Borman...
        !            41:        Better indication of DNS errors
        !            42:        Total byte counts printed if -v -v is used
        !            43:        A bunch of front-end driver companion programs and scripts
        !            44:        Better handling of stdin arguments-plus-data
        !            45:        Hex-dump feature
        !            46:        Telnet responder
        !            47:        Program exec works inbound or outbound now
        !            48:
        !            49: Netcat and the associated package is a product of Avian Research, and is freely
        !            50: available in full source form with no restrictions save an obligation to give
        !            51: credit where due.  Get it via anonymous FTP at avian.org:/src/hacks/nc110.tgz
        !            52: which is a gzipped tar file and not to be confused with its version 1.00
        !            53: precursor, nc100.tgz.  Other distribution formats can be accomodated upon
        !            54: request.  Netcat is also mirrored at the following [faster] sites:
        !            55:
        !            56:        zippy.telcom.arizona.edu:/pub/mirrors/avian.org/hacks/nc110.tgz
        !            57:        ftp.sterling.com:/mirrors/avian.org/src/hacks/nc110.tgz
        !            58:        coast.cs.purdue.edu:/pub/tools/unix/netcat/nc110.tgz
        !            59:        ftp.rge.com:/pub/security/coast/mirrors/avian.org/netcat/nc110.tgz
        !            60:
        !            61: _H* 960320