nc
shell> nc -zv
shell> nc -z -w 3 www.apple.com 80; echo $?
shell> nc -w 1 -z -u -v time.asia.apple.com 123
Connection to time.asia.apple.com 123 port [udp/ntp] succeeded!
shell> nc -zv www.apple.com 1-1000
shell> nc -w 1 -z -v www.apple.com 1-1000
nc: connect to www.apple.com port 1 (tcp) timed out: Operation now in progress
nc: connect to www.apple.com port 2 (tcp) timed out: Operation now in progress
nc: connect to www.apple.com port 3 (tcp) timed out: Operation now in progress
[...]
Connection to www.apple.com 80 port [tcp/http] succeeded!
shell> for i in {1..10}; do nc -w 1 -z -v 192.168.42.$i 22; done
Connection to 192.168.42.1 22 port [tcp/ssh] succeeded!
nc: connect to 192.168.42.2 port 22 (tcp) timed out: Operation now in progress
[...]
nc: connect to 192.168.42.7 port 22 (tcp) failed: Connection refused
shell> nc -vt www.apple.com 80
Connection to www.apple.com 80 port [tcp/http] succeeded!
GET / HTTP/1.1
User-Agent: WHttpTst Test Harness
Host: www.apple.com:80
HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Cache-Control: max-age=165
Expires: Mon, 09 Feb 2015 12:36:33 GMT
Date: Mon, 09 Feb 2015 12:33:48 GMT
Content-Length: 8576
Connection: keep-alive
Server: Apache
shell> nc -l 3000
shell> echo 測試訊息 | nc 127.0.0.1 3000
shell> while true; do nc -l 3000; done
shell> while true; do nc -l 3000 < index.html ; done
shell> python -c 'print "<policy-file-request/>%c" % 0' | nc 127.0.0.1 843
shell> perl -e 'printf "<policy-file-request/>%c",0' | nc 127.0.0.1 843
#!/bin/bash
while true; do echo '<?xml version="1.0"?>
<cross-domain-policy>
<allow-access-from domain="*" to-ports="6000" />
</cross-domain-policy>' | nc -l 843; done
shell> /path/to/file/domainPolicyServer.sh > /dev/null &
hping3 - Active Network Smashing Tool
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