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Netstat鍛戒護璇﹁В
Netstat鐢ㄤ簬鏄劇ず涓嶪P銆乀CP銆乁DP鍜孖CMP鍗忚鐩稿叧鐨勭粺璁℃暟鎹紝涓鑸敤浜庢楠屾湰鏈哄悇绔彛鐨勭綉緇滆繛鎺ユ儏鍐點?
濡傛灉浣犵殑璁$畻鏈烘湁鏃跺欐帴鏀跺埌鐨勬暟鎹姤瀵艱嚧鍑洪敊鏁版嵁鎴栨晠闅滐紝浣犱笉蹇呮劅鍒板鎬紝TCP/IP鍙互瀹硅榪欎簺綾誨瀷鐨勯敊璇紝騫惰兘澶熻嚜鍔ㄩ噸鍙戞暟鎹姤銆備絾濡傛灉绱鐨勫嚭閿?
鎯呭喌鏁扮洰鍗犲埌鎵鎺ユ敹鐨処P鏁版嵁鎶ョ浉褰撳ぇ鐨勭櫨鍒嗘瘮錛屾垨鑰呭畠鐨勬暟鐩榪呴熷鍔狅紝閭d箞浣犲氨搴旇浣跨敤Netstat鏌ヤ竴鏌ヤ負浠涔堜細鍑虹幇榪欎簺鎯呭喌浜嗐?
Netstat 璇︾粏鍙傛暟鍒楄〃 錛圵inxp錛?/strong>
C:">netstat /?
鏄劇ず鍗忚緇熻淇℃伅鍜屽綋鍓?TCP/IP 緗戠粶榪炴帴銆?br />
NETSTAT [-a] [-b] [-e] [-n] [-o] [-p proto] [-r] [-s] [-v] [interval]
-a 鏄劇ず鎵鏈夎繛鎺ュ拰鐩戝惉绔彛銆?br />
-b 鏄劇ず鍖呭惈浜庡垱寤烘瘡涓繛鎺ユ垨鐩戝惉绔彛鐨勫彲鎵ц緇勪歡銆傚湪鏌愪簺鎯呭喌涓嬪凡鐭ュ彲鎵ц緇勪歡
鎷ユ湁澶氫釜鐙珛緇勪歡錛屽茍涓斿湪榪欎簺鎯呭喌涓嬪寘鍚簬鍒涘緩榪炴帴鎴栫洃鍚鍙g殑緇勪歡搴忓垪琚樉紺恒?br />
榪欑鎯呭喌涓嬶紝鍙墽琛岀粍浠跺悕鍦ㄥ簳閮ㄧ殑 [] 涓紝欏墮儴鏄叾璋冪敤鐨勭粍浠訛紝絳夌瓑錛岀洿鍒?TCP/IP
閮ㄥ垎銆傛敞鎰忔閫夐」鍙兘闇瑕佸緢闀挎椂闂達紝濡傛灉娌℃湁瓚沖鏉冮檺鍙兘澶辮觸銆?br />
-e 鏄劇ず浠ュお緗戠粺璁′俊鎭傛閫夐」鍙互涓?-s
閫夐」緇勫悎浣跨敤銆?br />
-n 浠ユ暟瀛楀艦寮忔樉紺哄湴鍧鍜岀鍙e彿銆?br />
-o 鏄劇ず涓庢瘡涓繛鎺ョ浉鍏崇殑鎵灞炶繘紼?ID銆?br />
-p proto 鏄劇ず proto 鎸囧畾鐨勫崗璁殑榪炴帴錛沺roto 鍙互鏄?br />
涓嬪垪鍗忚涔嬩竴: TCP銆乁DP銆乀CPv6 鎴?UDPv6銆?br />
濡傛灉涓?-s 閫夐」涓璧蜂嬌鐢ㄤ互鏄劇ず鎸夊崗璁粺璁′俊鎭紝proto 鍙互鏄笅鍒楀崗璁箣涓:
IP銆両Pv6銆両CMP銆両CMPv6銆乀CP銆乀CPv6銆乁DP 鎴?UDPv6銆?br />
-r 鏄劇ず璺敱琛ㄣ?br />
-s 鏄劇ず鎸夊崗璁粺璁′俊鎭傞粯璁ゅ湴錛屾樉紺?IP銆?br />
IPv6銆両CMP銆両CMPv6銆乀CP銆乀CPv6銆乁DP 鍜?UDPv6 鐨勭粺璁′俊鎭紱
-p 閫夐」鐢ㄤ簬鎸囧畾榛樿鎯呭喌鐨勫瓙闆嗐?br />
-v 涓?-b 閫夐」涓璧蜂嬌鐢ㄦ椂灝嗘樉紺哄寘鍚簬
涓烘墍鏈夊彲鎵ц緇勪歡鍒涘緩榪炴帴鎴栫洃鍚鍙g殑
緇勪歡銆?br />
interval 閲嶆柊鏄劇ず閫夊畾緇熻淇℃伅錛屾瘡嬈℃樉紺轟箣闂?br />
鏆傚仠鏃墮棿闂撮殧(浠ョ璁?銆傛寜 CTRL+C 鍋滄閲嶆柊
鏄劇ず緇熻淇℃伅銆傚鏋滅渷鐣ワ紝netstat 鏄劇ず褰撳墠
閰嶇疆淇℃伅(鍙樉紺轟竴嬈? 錛圵in2000錛?/strong>
C:">netstat /?
Displays protocol statistics and current TCP/IP network connections.
NETSTAT [-a] [-e] [-n] [-s] [-p proto] [-r] [interval]
-a Displays all connections and listening ports.
-e Displays Ethernet statistics. This may be combined with the -s
option.
-n Displays addresses and port numbers in numerical form.
-p proto Shows connections for the protocol specified by proto; proto
may be TCP or UDP. If used with the -s option to display
per-protocol statistics, proto may be TCP, UDP, or IP.
-r Displays the routing table.
-s Displays per-protocol statistics. By default, statistics are
shown for TCP, UDP and IP; the -p option may be used to specify
a subset of the default.
interval Redisplays selected statistics, pausing interval seconds
between each display. Press CTRL+C to stop redisplaying
statistics. If omitted, netstat will print the current
configuration information once. Netstat鐨勪竴浜涘父鐢ㄩ夐」 netstat -s鈥斺旀湰閫夐」鑳藉鎸夌収鍚勪釜鍗忚鍒嗗埆鏄劇ず鍏剁粺璁℃暟鎹傚鏋滀綘鐨勫簲鐢ㄧ▼搴忥紙濡俉eb嫻忚鍣級榪愯閫熷害姣旇緝鎱紝鎴栬呬笉鑳芥樉紺篧eb欏典箣綾葷殑鏁版嵁錛岄偅涔堜綘灝卞彲浠ョ敤鏈夐」鏉ユ煡鐪嬩竴涓嬫墍鏄劇ず鐨勪俊鎭備綘闇瑕佷粩緇嗘煡鐪嬬粺璁℃暟鎹殑鍚勮錛屾壘鍒板嚭閿欑殑鍏抽敭瀛楋紝榪涜岀‘瀹氶棶棰樻墍鍦ㄣ? netstat -e鈥斺旀湰閫夐」鐢ㄤ簬鏄劇ず鍏充簬浠ュお緗戠殑緇熻鏁版嵁銆傚畠鍒楀嚭鐨勯」鐩寘鎷紶閫佺殑鏁版嵁鎶ョ殑鎬誨瓧鑺傛暟銆侀敊璇暟銆佸垹闄ゆ暟銆佹暟鎹姤鐨勬暟閲忓拰騫挎挱鐨勬暟閲忋傝繖浜涚粺璁℃暟鎹棦鏈夊彂閫佺殑鏁版嵁鎶ユ暟閲忥紝涔熸湁鎺ユ敹鐨勬暟鎹姤鏁伴噺銆傝繖涓夐」鍙互鐢ㄦ潵緇熻涓浜涘熀鏈殑緗戠粶嫻侀噺銆? netstat -r鈥斺旀湰閫夐」鍙互鏄劇ず鍏充簬璺敱琛ㄧ殑淇℃伅錛岀被浼間簬鍚庨潰鎵璁蹭嬌鐢╮oute print鍛戒護鏃剁湅鍒扮殑 淇℃伅銆傞櫎浜嗘樉紺烘湁鏁堣礬鐢卞錛岃繕鏄劇ず褰撳墠鏈夋晥鐨勮繛鎺ャ? netstat -a鈥斺旀湰閫夐」鏄劇ず涓涓墍鏈夌殑鏈夋晥榪炴帴淇℃伅鍒楄〃錛屽寘鎷凡寤虹珛鐨勮繛鎺ワ紙ESTABLISHED錛夛紝涔熷寘鎷洃鍚繛鎺ヨ姹傦紙LISTENING錛夌殑閭d簺榪炴帴錛屾柇寮榪炴帴錛圕LOSE_WAIT錛夋垨鑰呭浜庤仈鏈虹瓑寰呯姸鎬佺殑錛圱IME_WAIT錛夌瓑 netstat -n鈥斺旀樉紺烘墍鏈夊凡寤虹珛鐨勬湁鏁堣繛鎺ャ?
-a
鍙傛暟甯哥敤浜庤幏寰椾綘鐨勬湰鍦扮郴緇熷紑鏀劇殑绔彛錛岀敤瀹冩偍鍙互鑷繁媯鏌ヤ綘鐨勭郴緇熶笂鏈夋病鏈夎瀹夎鏈ㄩ┈錛坧s錛氭湁寰堝濂界▼搴忕敤鏉ユ嫻嬫湪椹紝浣嗕綘鐨勭洰鐨勬槸鎯蟲垚涓虹湡姝g殑
hacker錛屾墜宸ユ嫻嬭姣斿彧鎸変竴涓?#8220;scan”鎸夐挳濂戒簺----浠呬釜浜鴻鐐癸級銆傚鏋滄偍Netstat浣犺嚜宸辯殑璇濓紝鍙戠幇涓嬮潰鐨勪俊鎭細
Port 12345(TCP) Netbus
Port 31337(UDP) Back Orifice