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http://pan.baidu.com/s/1bo2IH9X#netcat 云盘下载
[root@bass ~]# tar -xjvf netcat-0.7.1.tar.bz2
[root@bass ~]# cd netcat-0.7.1
[root@bass ~]# ./configure --prefix=/usr/local/netcat
[root@bass ~]# make && make install
[root@bass ~]# tree /usr/local/netcat/
/usr/local/netcat/
├── bin
│ ├── nc -> netcat
│ └── netcat
├── info
│ ├── dir
│ └── netcat.info
├── man
│ └── man1
│ └── netcat.1
└── share
└── locale
├── it
│ └── LC_MESSAGES
│ └── netcat.mo
└── sk
└── LC_MESSAGES
└── netcat.mo
10 directories, 7 files
[root@bass ~]# nc -h
usage: nc [-46DdhklnrStUuvzC] [-i interval] [-p source_port]
[-s source_ip_address] [-T ToS] [-w timeout] [-X proxy_version]
[-x proxy_address[:port]] [hostname] [port[s]]
Command Summary:
-4 Use IPv4
-6 Use IPv6
-D Enable the debug socket option
-d Detach from stdin
-h This help text
-i secs Delay interval for lines sent, ports scanned
-k Keep inbound sockets open for multiple connects
-l Listen mode, for inbound connects
-n Suppress name/port resolutions
-p port Specify local port for remote connects
-r Randomize remote ports
-S Enable the TCP MD5 signature option
-s addr Local source address
-T ToS Set IP Type of Service
-C Send CRLF as line-ending
-t Answer TELNET negotiation
-U Use UNIX domain socket
-u UDP mode
-v Verbose
-w secs Timeout for connects and final net reads
-X proto Proxy protocol: "4", "5" (SOCKS) or "connect"
-x addr[:port] Specify proxy address and port
-z Zero-I/O mode [used for scanning]
Port numbers can be individual or ranges: lo-hi [inclusive]
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原文地址：http://www.cnblogs.com/bass6/p/5565772.html
