LinuxϵÄÉñÆæÖ¸Áî——netcat
netcat
¾ÍÏñ cat
Ö¸ÁîÒ»樣£¬Ö»ÊÇ將簡單µÄ
cat
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Top 100 Network Security Tools
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netcat ³ýÁË¿ÉÒÔ當
TCP Client
¹¤¾ßÒÔÍ⣬還¿ÉÒÔ當
TCP Server
µÄ¹¤¾ß£¬ÒÔÏÂÎÒÓÃ幾個簡單µÄÀý×Ó說Ã÷£º
ʾ範 netcat
ÈçºÎ當
TCP Client
¹¤¾ß
µ×ÏÂ這¶ÎÖ¸Áî´ú±íÄãÒª將 /etc
Ä¿錄Õû個´ò°ü並壓縮Æð來£¬並將資ÁÏ傳Ë͵½
10.0.0.99
Ö÷機µÄ
Port 3456
£¬並Ö¸¶¨Èô³¬過
30
Ãë沒ÓÐ連ÉÏÄ¿µÄµØ»ò
30
Ãë沒ÓлØ應µÄ話×Ô動
Timeout
¡£
# tar -zcf - /etc | netcat -w 30 10.0.0.99 3456
ʾ範 netcat
ÈçºÎ當
TCP Server
¹¤¾ß
Èç¹ûÄÃÒÔÉϵÄÀý×Ó£¬Äã¿ÉÄÜ會Ïë說ÄÇÄã還Òª×Ô¼º寫Ò»個 Server
½ÓÊÜ這Щ·â°ü°¡£¡´ð°¸ÊÇ£º¡¸Ö»ÒªÓÃ
netcat
¾Í¿ÉÒÔÄÃ來當
Server
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10.0.0.99
Ö÷機執Ðеġ£
# netcat -l -p 3456 > /backup/my_etc_backup.tar.gz
-l 參數´ú±í進Èë
Listen mode
-p ´ú±í
Listen
µÄ
Port
為
3456
Ö®ááµÄ > my_etc_backup.tar.gz
´ú±íÄãÒª將從
TCP
傳ÈëµÄËùÓÐ資Á϶¼導Èëµ½
/backup/my_etc_backup.tar.gz
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x86_64
3.# arch
x86_64
4.#file /bin/cat
/bin/cat: ELF 64-bit LSB executable, AMD x86-64, version 1 (SYSV), for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped
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more /proc/cpuinfo
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