netcat Flashcards
1
Q
netcat
A
netcat is a simple unix utility which reads and writes data across network connections, using TCP or UDP protocol.
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2
Q
nc
- c shell commands, Use /bin/sh to exec.
- e filename, Program to exec after connect.
- b, Allow broadcasts.
- g gateway, source-routing hop points up to 8.
- G num, source routing pointer: 4, 8, 12…
- i secs, Delay interval for lines sent, ports scanned.
A
- k, Set keepalive on socket.
- l, Listen mode for inbound connects.
- n, Numeric IP only, no DNS.
- o file, hex dump of traffic.
- p port, Local port number
- r, Randomize local and remote ports.
- q secs, Quit after EOF on stdin and delay of seconds.
3
Q
nc
- s addr, Local source address.
- T tos, Set Type Of Service.
- t, Answer TELNET negotiation.
- u, UDP mode.
A
- v, verbose
- w secs, Timeout for connects and final net reads.
- C, Send CRLF as line editing.
- z, zero I/O mode.