diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-09-05 08:55:44 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1996-09-05 08:55:44 +0000 |
commit | 74ce25b78fd53d753084ef14b2234bc105a4a983 (patch) | |
tree | 2cffc06e2eb76342240043e73120bb5451145124 /usr.bin/nc/netcat.blurb | |
parent | e70074aa65073a222e5a14ec65e7c499c313ba3d (diff) |
nc is *hobbit*'s netcat; let the sysadm have the same tools the crackers
have, so that he may learn what the network is about and protect it better.
Diffstat (limited to 'usr.bin/nc/netcat.blurb')
-rw-r--r-- | usr.bin/nc/netcat.blurb | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/usr.bin/nc/netcat.blurb b/usr.bin/nc/netcat.blurb new file mode 100644 index 00000000000..2c540ad9dcc --- /dev/null +++ b/usr.bin/nc/netcat.blurb @@ -0,0 +1,61 @@ +Netcat 1.10 is an updated release of Netcat, a simple Unix utility which reads +and writes data across network connections using TCP or UDP protocol. It is +designed to be a reliable "back-end" tool that can be used directly or easily +driven by other programs and scripts. At the same time it is a feature-rich +network debugging and exploration tool, since it can create almost any kind of +connection you would need and has several interesting built-in capabilities. + +Some of netcat's major features are: + + Outbound or inbound connections, TCP or UDP, to or from any ports + Full DNS forward/reverse checking, with appropriate warnings + Ability to use any local source port + Ability to use any locally-configured network source address + Built-in port-scanning capabilities, with randomizer + Built-in loose source-routing capability + Can read command line arguments from standard input + Slow-send mode, one line every N seconds + Hex dump of transmitted and received data + Optional ability to let another program service established connections + Optional telnet-options responder + +A very short list of potential uses: + + Script backends + Scanning ports and inventorying services, automated probes + Backup handlers + File transfers + Server testing, simulation, debugging, and hijacking + Firewall testing + Proxy gatewaying + Network performance testing + Address spoofing tests + Protecting X servers + 1001 other uses you'll likely come up with + +Changes between the 1.00 release and this release: + + Better portability -- updated generic.h and Makefile [thanx folks!] + Indication of local-end interface address on inbound connections + That's *Dave* Borman's telnet, not Paul Borman... + Better indication of DNS errors + Total byte counts printed if -v -v is used + A bunch of front-end driver companion programs and scripts + Better handling of stdin arguments-plus-data + Hex-dump feature + Telnet responder + Program exec works inbound or outbound now + +Netcat and the associated package is a product of Avian Research, and is freely +available in full source form with no restrictions save an obligation to give +credit where due. Get it via anonymous FTP at avian.org:/src/hacks/nc110.tgz +which is a gzipped tar file and not to be confused with its version 1.00 +precursor, nc100.tgz. Other distribution formats can be accomodated upon +request. Netcat is also mirrored at the following [faster] sites: + + zippy.telcom.arizona.edu:/pub/mirrors/avian.org/hacks/nc110.tgz + ftp.sterling.com:/mirrors/avian.org/src/hacks/nc110.tgz + coast.cs.purdue.edu:/pub/tools/unix/netcat/nc110.tgz + ftp.rge.com:/pub/security/coast/mirrors/avian.org/netcat/nc110.tgz + +_H* 960320 |