BOOTP和DHCP服务器存在什么样的关系? DHCP与BOOTP有什么区别?
DHCP\u670d\u52a1\u5668\u4e0eBOOTP\u670d\u52a1\u5668\uff0c\u6709\u4ec0\u4e48\u533a\u522b\uff1f\uff1f\u7b80\u5355\u7684\u8bf4\uff1aDHCP \u662fBOOTP \u7684\u589e\u5f3a\u7248\u672c\u90fd\u662f\u57fa\u4e8eTCP/IP\u534f\u8bae\u7684\u534f\u8bae\u3002BOOTP\u53ea\u7528\u4e8e\u65e0\u76d8\u5de5\u4f5c\u7ad9\uff0cDHCP \u5373\u53ef\u7528\u4e8e\u65e0\u76d8\u7ad9\u4e5f\u53ef\u7528\u4e8e\u4e00\u822c\u7684\u7f51\u7edc\u5e94\u7528\u3002\u4e0b\u9762\u662f\u5177\u4f53\u7684\u89e3\u91ca\uff1a
BOOTP: Bootstrap Protocol \u4e2d\u6587\u91ca\u4e49\uff1a\u81ea\u4e3e\u534f\u8bae
\u8be5\u534f\u8bae\u662f\u4e00\u4e2a\u57fa\u4e8eTCP/IP\u534f\u8bae\u7684\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u8ba9\u65e0\u76d8\u7ad9\u4ece\u4e00\u4e2a\u4e2d\u5fc3\u670d\u52a1\u5668\u4e0a\u83b7\u5f97IP\u5730\u5740\uff0c\u4e3a\u5c40\u57df\u7f51\u4e2d\u7684\u65e0\u76d8\u5de5\u4f5c\u7ad9\u5206\u914d\u52a8\u6001IP\u5730\u5740\uff0c\u5e76\u4e0d\u9700\u8981\u6bcf\u4e2a\u7528\u6237\u53bb\u8bbe\u7f6e\u9759\u6001IP\u5730\u5740\u3002\u4f7f\u7528BOOTP\u534f\u8bae\u7684\u65f6\u5019\uff0c\u4e00\u822c\u5305\u62ecBootstrap Protocol Server\uff08\u81ea\u4e3e\u534f\u8bae\u670d\u52a1\u7aef\uff09\u548cBootstrap Protocol Client\uff08\u81ea\u4e3e\u534f\u8bae\u5ba2\u6237\u7aef\uff09\u4e24\u90e8\u5206\u3002
DHCP\uff1a Dynamic Host Configuration Protocol(\u52a8\u6001\u4e3b\u673a\u5206\u914d\u534f\u8bae)\u7f29\u5199\uff0c
\u5b83\u7684\u524d\u8eab\u662f BOOTP\u3002BOOTP \u539f\u672c\u662f\u7528\u4e8e\u65e0\u78c1\u76d8\u4e3b\u673a\u8fde\u63a5\u7684\u7f51\u7edc\u4e0a\u9762\u7684\uff1a\u7f51\u7edc\u4e3b\u673a\u4f7f\u7528 BOOT ROM \u800c\u4e0d\u662f\u78c1\u76d8\u8d77\u52a8\u5e76\u8fde\u63a5\u4e0a\u7f51\u7edc\uff0cBOOTP \u5219\u53ef\u4ee5\u81ea\u52a8\u5730\u4e3a\u90a3\u4e9b\u4e3b\u673a\u8bbe\u5b9a TCP/IP \u73af\u5883\u3002\u4f46 BOOTP \u6709\u4e00\u4e2a\u7f3a\u70b9\uff1a\u60a8\u5728\u8bbe\u5b9a\u524d\u987b\u4e8b\u5148\u83b7\u5f97\u5ba2\u6237\u7aef\u7684\u786c\u4ef6\u5730\u5740\uff0c\u800c\u4e14\uff0c\u4e0e IP \u7684\u5bf9\u5e94\u662f\u9759\u6001\u7684\u3002\u6362\u800c\u8a00\u4e4b\uff0cBOOTP \u975e\u5e38\u7f3a\u4e4f "\u52a8\u6001\u6027" \uff0c\u82e5\u5728\u6709\u9650\u7684 IP \u8d44\u6e90\u73af\u5883\u4e2d\uff0cBOOTP \u7684\u4e00\u5bf9\u4e00\u5bf9\u5e94\u4f1a\u9020\u6210\u975e\u5e38\u53ef\u89c2\u7684\u6d6a\u8d39\u3002
DHCP \u53ef\u4ee5\u8bf4\u662f BOOTP \u7684\u589e\u5f3a\u7248\u672c\uff0c\u5b83\u5206\u4e3a\u4e24\u4e2a\u90e8\u4efd\uff1a
\u4e00\u4e2a\u662f\u670d\u52a1\u5668\u7aef\uff0c\u800c\u53e6\u4e00\u4e2a\u662f\u5ba2\u6237\u7aef\u3002\u6240\u6709\u7684 IP \u7f51\u7edc\u8bbe\u5b9a\u6570\u636e\u90fd\u7531 DHCP \u670d\u52a1\u5668\u96c6\u4e2d\u7ba1\u7406\uff0c\u5e76\u8d1f\u8d23\u5904\u7406\u5ba2\u6237\u7aef\u7684 DHCP \u8981\u6c42\uff1b\u800c\u5ba2\u6237\u7aef\u5219\u4f1a\u4f7f\u7528\u4ece\u670d\u52a1\u5668\u5206\u914d\u4e0b\u6765\u7684IP\u73af\u5883\u6570\u636e\u3002
\u6bd4\u8f83\u8d77 BOOTP \uff0cDHCP \u900f\u8fc7 "\u79df\u7ea6" \u7684\u6982\u5ff5\uff0c\u6709\u6548\u4e14\u52a8\u6001\u7684\u5206\u914d\u5ba2\u6237\u7aef\u7684 TCP/IP \u8bbe\u5b9a\uff0c\u800c\u4e14\uff0c\u4f5c\u4e3a\u517c\u5bb9\u8003\u8651\uff0cDHCP \u4e5f\u5b8c\u5168\u7167\u987e\u4e86 BOOTP Client \u7684\u9700\u6c42\u3002
DHCP \u7684\u5206\u914d\u5f62\u5f0f \u9996\u5148\uff0c\u5fc5\u987b\u81f3\u5c11\u6709\u4e00\u53f0 DHCP \u5de5\u4f5c\u5728\u7f51\u7edc\u4e0a\u9762\uff0c\u5b83\u4f1a\u76d1\u542c\u7f51\u7edc\u7684 DHCP \u8bf7\u6c42\uff0c\u5e76\u4e0e\u5ba2\u6237\u7aef\u6413\u5546 TCP/IP \u7684\u8bbe\u5b9a\u73af\u5883\u3002\u5b83\u63d0\u4f9b\u4e24\u79cd IP \u5b9a\u4f4d\u65b9\u5f0f\uff1a
1\u3001\u6982\u5ff5\u4e0d\u540c
DHCP\uff1a\u662f\u6307\u52a8\u6001\u4e3b\u673a\u8bbe\u7f6e\u534f\u8bae\uff08\u82f1\u8bed\uff1aDynamic Host Configuration Protocol\uff0cDHCP\uff09\u662f\u4e00\u4e2a\u5c40\u57df\u7f51\u7684\u7f51\u7edc\u534f\u8bae\uff0c\u4f7f\u7528UDP\u534f\u8bae\u5de5\u4f5c\u3002
BOOTP\uff1a\u662f\u4e00\u79cd\u5f15\u5bfc\u534f\u8bae\uff08\u82f1\u8bed\uff1aBootstrap Protocol\uff09\uff0c\u57fa\u4e8eIP/UDP\u534f\u8bae\uff0c\u4e5f\u79f0\u81ea\u4e3e\u534f\u8bae\uff0c\u662fDHCP\u534f\u8bae\u7684\u524d\u8eab\u3002
2\u3001\u7528\u9014\u4e0d\u540c
DHCP\uff1a\u7528\u4e8e\u5185\u90e8\u7f51\u6216\u7f51\u7edc\u670d\u52a1\u4f9b\u5e94\u5546\u81ea\u52a8\u5206\u914dIP\u5730\u5740\uff1b\u7ed9\u7528\u6237\u7528\u4e8e\u5185\u90e8\u7f51\u7ba1\u7406\u5458\u4f5c\u4e3a\u5bf9\u6240\u6709\u8ba1\u7b97\u673a\u4f5c\u4e2d\u592e\u7ba1\u7406\u7684\u624b\u6bb5\u3002
BOOTP\uff1a\u7528\u4e8e\u65e0\u76d8\u5de5\u4f5c\u7ad9\u7684\u5c40\u57df\u7f51\u4e2d\uff0c\u53ef\u4ee5\u8ba9\u65e0\u76d8\u5de5\u4f5c\u7ad9\u4ece\u4e00\u4e2a\u4e2d\u5fc3\u670d\u52a1\u5668\u4e0a\u83b7\u5f97IP\u5730\u5740\u3002
\u901a\u8fc7BOOTP\u534f\u8bae\u53ef\u4ee5\u4e3a\u5c40\u57df\u7f51\u4e2d\u7684\u65e0\u76d8\u5de5\u4f5c\u7ad9\u5206\u914d\u52a8\u6001IP\u5730\u5740\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u7ba1\u7406\u5458\u53bb\u4e3a\u6bcf\u4e2a\u7528\u6237\u53bb\u8bbe\u7f6e\u9759\u6001IP\u5730\u5740\u3002
3\u3001\u5de5\u4f5c\u539f\u7406\u4e0d\u540c
DHCP\uff1a\u534f\u8bae\u91c7\u7528UDP\u4f5c\u4e3a\u4f20\u8f93\u534f\u8bae\uff0c\u4e3b\u673a\u53d1\u9001\u8bf7\u6c42\u6d88\u606f\u5230DHCP\u670d\u52a1\u5668\u768467\u53f7\u7aef\u53e3\uff0cDHCP\u670d\u52a1\u5668\u56de\u5e94\u5e94\u7b54\u6d88\u606f\u7ed9\u4e3b\u673a\u768468\u53f7\u7aef\u53e3\u3002
BOOTP\uff1a\u7f51\u7edc\u4e2d\u7684\u8fd0\u884cBOOTP\u670d\u52a1\u7684\u670d\u52a1\u5668\u63a5\u6536\u5230\u7684\u8fd9\u4e2a\u8bf7\u6c42\u5e27\uff0c\u6839\u636e\u8fd9\u5e27\u4e2d\u7684MAC\u5730\u5740\u5728BOOTPTAB\u542f\u52a8\u6570\u636e\u5e93\u4e2d\u67e5\u627e\u8fd9\u4e2aMAC\u7684\u8bb0\u5f55\uff0c\u5982\u679c\u6ca1\u6709\u6b64MAC\u7684\u8bb0\u5f55\u5219\u4e0d\u54cd\u5e94\u8fd9\u4e2a\u8bf7\u6c42\uff0c\u5982\u679c\u6709\u5c31\u5c06FOUND\u5e27\u53d1\u9001\u56de\u5ba2\u6237\u673a\u3002
\u6269\u5c55\u8d44\u6599
DHCP\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879\uff1a
1\u3001\u516c\u53f8\u5185\u90e8\u5f88\u591a Laptop\u8ba1\u7b97\u673a\u4f7f\u7528\u7684\u573a\u5408\u3002\u56e0\u4e3a Laptop\u5728\u4f7f\u7528\u4e0a\uff0c\u5f53\u8bbe\u5b9a\u4e3aDHCP client \u7684\u65f6\u5019\uff0c\u90a3\u4e48\u53ea\u8981\u5b83\u8fde\u63a5\u4e0a\u7684\u7f51\u57df\u91cc\u9762\u6709\u4e00\u90e8\u53ef\u4ee5\u4e0a\u7f51\u7684 DHCP\u670d\u52a1\u5668 \uff0c\u90a3\u90e8Laptop\u4e5f\u5c31\u53ef\u4ee5\u8fde\u63a5\u4e0a Internet \u4e86\uff01
2\u3001\u7f51\u57df\u5185\u8ba1\u7b97\u673a\u6570\u91cf\u76f8\u5f53\u7684\u591a\u65f6\uff1a\u53e6\u5916\u4e00\u4e2a\u60c5\u51b5\u5c31\u662f\u7f51\u57df\u5185\u8ba1\u7b97\u673a\u6570\u91cf\u76f8\u5f53\u5e9e\u5927\u65f6\uff0c\u5927\u5230\u60a8\u6ca1\u6709\u529e\u6cd5\u4e00\u4e2a\u4e00\u4e2a\u7684\u8fdb\u884c\u8bf4\u660e\u6765\u8bbe\u5b9a\u4ed6\u4eec\u81ea\u5df1\u7684\u7f51\u7edc\u53c2\u6570\uff0c\u8fd9\u4e2a\u65f6\u5019\u4e3a\u4e86\u7701\u9ebb\u70e6\uff0c\u8fd8\u662f\u67b6\u8bbeDHCP \u6765\u7684\u65b9\u4fbf\u3002
3\u3001Client \u5728\u5f00\u673a\u7684\u65f6\u5019\u4f1a\u4e3b\u52a8\u7684\u53d1\u9001\u8baf\u606f\u7ed9\u7f51\u57df\u4e0a\u7684\u6240\u6709\u673a\u5668\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u5982\u679c\u7f51\u57df\u4e0a\u5c31\u662f\u6ca1\u6709DHCP\u4e3b\u673a\uff0c\u90a3\u4e48\u8fd9\u90e8 Client \u7aef\u8ba1\u7b97\u673a\u4f1a\u53d1\u9001\u56db\u6b21\u8bf7\u6c42\u4fe1\u606f\uff1b
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4\u3001\u5728\u7f51\u57df\u5185\u7684\u8ba1\u7b97\u673a\uff0c\u6709\u5f88\u591a\u673a\u5668\u5176\u5b9e\u662f\u505a\u4e3a\u4e3b\u673a\u7684\u7528\u9014\uff0c\u5f88\u5c11Client \u9700\u6c42\uff0c\u90a3\u4e48\u4f3c\u4e4e\u5c31\u6ca1\u6709\u5fc5\u8981\u67b6\u8bbe DHCP\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\uff1aDHCP
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\uff1aBOOTP
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绛旓細DHCP 鍙互璇存槸 BOOTP 鐨勫寮虹増鏈,瀹冨垎涓轰袱涓儴浠:涓涓槸鏈嶅姟鍣ㄧ,鑰屽彟涓涓槸瀹㈡埛绔傛墍鏈夌殑 IP 缃戠粶璁惧畾鏁版嵁閮界敱 DHCP 鏈嶅姟鍣闆嗕腑绠$悊,骞惰礋璐e鐞嗗鎴风鐨 DHCP 瑕佹眰;鑰屽鎴风鍒欎細浣跨敤浠庢湇鍔″櫒鍒嗛厤涓嬫潵鐨処P鐜鏁版嵁銆傛瘮杈冭捣 BOOTP ,DHCP 閫忚繃 "绉熺害" 鐨勬蹇,鏈夋晥涓斿姩鎬佺殑鍒嗛厤瀹㈡埛绔殑 TCP/IP 璁惧畾,鑰屼笖,...
绛旓細DHCP鏈嶅姟鍣鍏锋湁涓夌IP鐨勫垎閰嶆柟寮忥紝鎵嬪姩鍒嗛厤锛岃嚜鍔ㄥ垎閰嶅拰鍔ㄦ佸垎閰嶃1銆佹墜宸ュ垎閰嶅湴鍧锛氱敱绠$悊鍛樹负灏戞暟鐗瑰畾瀹㈡埛绔紙濡俉WW鏈嶅姟鍣ㄧ瓑锛夐潤鎬佺粦瀹氬浐瀹氱殑IP鍦板潃銆傞氳繃DHCP灏嗛厤缃殑鍥哄畾IP鍦板潃鍙戠粰瀹㈡埛绔2銆佽嚜鍔ㄥ垎閰嶅湴鍧锛欴HCP涓哄鎴风鍒嗛厤绉熸湡涓烘棤闄愰暱鐨処P鍦板潃銆3銆佸姩鎬佸垎閰嶅湴鍧锛欴HCP涓哄鎴风鍒嗛厤鍏锋湁涓瀹氭湁鏁堟湡闄愮殑...
绛旓細DHCP鍔熻兘锛1銆佷繚璇佷换浣旾P鍦板潃鍦ㄥ悓涓鏃跺埢鍙兘鐢变竴鍙癉HCP瀹㈡埛鏈烘墍浣跨敤銆2銆丏HCP搴斿綋鍙互缁欑敤鎴峰垎閰嶆案涔呭浐瀹氱殑IP鍦板潃銆3銆丏HCP搴斿綋鍙互鍚岀敤鍏朵粬鏂规硶鑾峰緱IP鍦板潃鐨勪富鏈哄叡瀛樸4銆DHCP鏈嶅姟鍣搴斿綋鍚戠幇鏈夌殑BOOTP瀹㈡埛绔彁渚涙湇鍔°侱HCP鏈変笁绉嶆満鍒跺垎閰岻P鍦板潃锛1銆佽嚜鍔ㄥ垎閰嶆柟寮忥紝DHCP鏈嶅姟鍣ㄤ负涓绘満鎸囧畾涓涓案涔呮х殑IP鍦板潃锛...
绛旓細DHCP瀹為檯涓婃槸鍩轰簬BOOTP鐨,浣嗘槸瀹冩彁渚涗簡鏇村鐨勭壒鎬,姣斿闄愬埗IP鍙风爜鐨勭鐢ㄦ椂闂村彲浠ヨDHCP鏈嶅姟鍣鏀跺洖骞堕噸鐢ㄨ繖浜涘彿鐮併 涓烘嫧鍙蜂笂缃戣处鍙锋彁渚汭P鍦板潃鍙兘鏄疍HCP鏈甯歌鐨勭敤閫,浣嗗畠鐨勭敤閫斿苟涓嶄粎闄愪簬姝ゃ備緥濡傚彲浠ュ湪灞鍩熺綉涓婁娇鐢―HCP浠ュ叡浜獻nternet杩炴帴銆傚井杞疻indows98绗簩鐗堟彁渚涗簡绉颁负Internet杩炴帴鍏变韩(ICS)鐨勫姛鑳,鍙互瀹炵幇DHCP銆
绛旓細67&68 Bootp鍜孌HCP UDP涓婄殑Bootp/DHCP:閫氳繃DSL鍜宑able-modem鐨勯槻鐏甯镐細鐪嬭澶ч噺鍙戦佸埌骞挎挱鍦板潃255.255.255.255鐨勬暟鎹傝繖浜涙満鍣ㄥ湪鍚DHCP鏈嶅姟鍣璇锋眰涓涓湴鍧鍒嗛厤銆侶acker甯歌繘鍏ュ畠浠垎閰嶄竴涓湴鍧鎶婅嚜宸变綔涓哄眬閮ㄨ矾鐢卞櫒鑰屽彂璧峰ぇ閲忕殑鈥滀腑闂翠汉鈥(man-in-middle)鏀诲嚮銆傚鎴风鍚68绔彛(bootps)骞挎挱璇锋眰閰嶇疆,鏈嶅姟鍣ㄥ悜67绔彛(...
绛旓細鎵嶄細鍚戠綉缁滀富鏈哄彂閫佺浉鍏崇殑鍦板潃閰嶇疆绛変俊鎭紝浠ュ疄鐜扮綉缁滀富鏈哄湴鍧淇℃伅鐨勫姩鎬侀厤缃侱HCP鍏锋湁浠ヤ笅鍔熻兘锛1锛屼繚璇佷换浣旾P鍦板潃鍦ㄥ悓涓鏃跺埢鍙兘鐢变竴鍙癉HCP瀹㈡埛鏈烘墍浣跨敤銆2锛孌HCP搴斿綋鍙互缁欑敤鎴峰垎閰嶆案涔呭浐瀹氱殑IP鍦板潃銆3锛孌HCP搴斿綋鍙互鍚岀敤鍏朵粬鏂规硶鑾峰緱IP鍦板潃鐨勪富鏈哄叡瀛樸4锛DHCP鏈嶅姟鍣搴斿綋鍚戠幇鏈夌殑BOOTP瀹㈡埛绔彁渚涙湇鍔°
绛旓細DHCP鍏锋湁浠ヤ笅鍔熻兘锛1銆佷繚璇佷换浣旾P鍦板潃鍦ㄥ悓涓鏃跺埢鍙兘鐢变竴鍙癉HCP瀹㈡埛鏈烘墍浣跨敤銆2銆丏HCP搴斿綋鍙互缁欑敤鎴峰垎閰嶆案涔呭浐瀹氱殑IP鍦板潃銆3銆丏HCP搴斿綋鍙互鍚岀敤鍏朵粬鏂规硶鑾峰緱IP鍦板潃鐨勪富鏈哄叡瀛橈紙濡傛墜宸ラ厤缃甀P鍦板潃鐨勪富鏈猴級銆4銆DHCP鏈嶅姟鍣搴斿綋鍚戠幇鏈夌殑BOOTP瀹㈡埛绔彁渚涙湇鍔°
绛旓細DHCP锛圖ynamic Host Configuration Protocol锛屽姩鎬佷富鏈洪厤缃崗璁級閫氬父琚簲鐢ㄥ湪澶у瀷鐨勫眬鍩熺綉缁滅幆澧冧腑锛屼富瑕佸叿鏈変互涓嬪姛鑳斤細1.淇濊瘉浠讳綍IP鍦板潃鍦ㄥ悓涓鏃跺埢鍙兘鐢变竴鍙癉HCP瀹㈡埛鏈烘墍浣跨敤銆2.DHCP搴斿綋鍙互缁欑敤鎴峰垎閰嶆案涔呭浐瀹氱殑IP鍦板潃銆3.DHCP搴斿綋鍙互鍚岀敤鍏朵粬鏂规硶鑾峰緱IP鍦板潃鐨勪富鏈哄叡瀛樸4.DHCP鏈嶅姟鍣搴斿綋鍚戠幇鏈夌殑BOOTP瀹㈡埛...
绛旓細杩欎簺鏈哄櫒鍦ㄥ悜DHCP鏈嶅姟鍣璇锋眰涓涓湴鍧鍒嗛厤銆侶acker甯歌繘鍏ュ畠浠垎閰嶄竴涓湴鍧鎶婅嚜宸变綔涓哄眬閮ㄨ矾鐢卞櫒鑰屽彂璧峰ぇ閲忕殑鈥滀腑闂翠汉鈥(man-in-middle)鏀诲嚮銆傚鎴风鍚68绔彛(bootps)骞挎挱璇锋眰閰嶇疆,鏈嶅姟鍣ㄥ悜67绔彛(bootpc)骞挎挱鍥炲簲璇锋眰銆傝繖绉嶅洖搴斾娇鐢ㄥ箍鎾槸鍥犱负瀹㈡埛绔繕涓嶇煡閬撳彲浠ュ彂閫佺殑IP鍦板潃銆 69 TFTP(UDP) 璁稿鏈嶅姟鍣ㄤ笌bootp涓璧...