网络层中哪些协议属于TCP哪些属于UDP? 基于TCP的应用层协议、与基于UDP的应用层协议分别有哪些?
tcp\u548cudp\u5206\u522b\u5728osi\u4e03\u5c42\u6a21\u578b\u7684\u54ea\u4e00\u5c42\uff1f\u8fd8\u6709\u4e03\u5c42\u6a21\u578b\u91cc\u54ea\u4e9b\u5c42\u4e3b\u8981\u662f\u505a\u4ec0\u4e48\u5de5\u4f5c\uff0c\u8bf7\u81ea\u5df1\u56de\u7b54\u3002\u8c22\u8c22TCP\u548cUDP\u534f\u8bae\u90fd\u662f\u4f20\u8f93\u5c42\u7684\u534f\u8bae\u3002
OSI\u53c2\u8003\u6a21\u578b\u4ece\u5e95\u81f3\u9876\u5206\u522b\u4e3a\uff1a \u7269\u7406\u5c42\u3001\u6570\u636e\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u8fd0\u8f93\u5c42\u3001\u4f1a\u8bdd\u5c42\u3001\u8868\u793a\u5c42\u3001\u5e94\u7528\u5c42\u3002
\u7269\u7406\u5c42\u529f\u80fd\uff1a
\u3000\u3000\u2460\u63d0\u4f9b\u7269\u7406\u94fe\u8def\u6240\u9700\u7684\u673a\u68b0\uff08\u8bbe\u5907\uff09\u3001\u7535\u6c14\uff08\u4fe1\u53f7\uff09\u3001\u529f\u80fd\u548c\u89c4\u7a0b\uff08\u5355\u5de5\u3001\u534a\u53cc\u5de5\u3001\u5168\u53cc\u5de5\uff09
\u3000\u3000\u2461\u4e3a\u6570\u636e\u94fe\u8def\u5c42\u63d0\u4f9b\u670d\u52a1\uff0c\u4ece\u6570\u636e\u94fe\u8def\u5c42\u63a5\u6536\u6570\u636e\uff0c\u5e76\u6309\u89c4\u5b9a\u5f62\u5f0f\u7684\u4fe1\u53f7\u548c\u683c\u5f0f\u5c06\u6570\u636e\u53d1\u9001\u3002
\u3000\u3000\u2462\u5411\u6570\u636e\u94fe\u8def\u5c42\u63d0\u4f9b\u6570\u636e\uff08\u628a\u6bd4\u7279\u6d41\u8fd8\u539f\u4e3a\u6570\u636e\u94fe\u8def\u5c42\u53ef\u4ee5\u7406\u89e3\u7684\u683c\u5f0f\uff09\u548c\u7535\u8def\u6807\u8bc6\u3001\u6545\u969c\u72b6\u6001\u53ca\u670d\u52a1\u8d28\u91cf\u53c2\u6570\u7b49\u7b49
2 \u6570\u636e\u94fe\u8def\u5c42
\u3000\u3000\u4e3a\u7f51\u7edc\u5c42\u63d0\u4f9b\u670d\u52a1\uff0c\u4ece\u6e90\u5f00\u653e\u7cfb\u7edf\u7684\u7f51\u7edc\u5c42\u5411\u76ee\u7684\u5f00\u653e\u7cfb\u7edf\u7684\u7f51\u7edc\u5c42\u4f20\u8f93\u6570\u636e\uff0c\u5c4f\u853d\u4e86\u7269\u7406\u5c42\u7684\u7279\u5f81\u3002
3 \u7f51\u7edc\u5c42
\u3000\u3000\u5904\u7406\u4e0e\u5bfb\u5740\u548c\u4f20\u8f93\u6709\u5173\u7684\u7ba1\u7406\u95ee\u9898\uff08\u8fd9\u91cc\u6240\u8bf4\u7684\u4f20\u8f93\u6709\u5173\u95ee\u9898\u662f\u6307\u63d0\u4f9b\u4f20\u8f93\u57fa\u7840\u3001\u51c6\u5907\u5de5\u4f5c\uff09\u540c\u4e00LAN\u5185\u53ef\u4ee5\u7701\u7565\u8be5\u5c42
4 \u4f20\u8f93\u5c42
\u3000\u3000\u6570\u636e\u6838\u5bf9\u548c\u521d\u6b65\u6574\u7406\u3002
5 \u4f1a\u8bdd\u5c42
\u3000\u3000\u6570\u636e\u4f20\u8f93\u7684\u201c\u4e2d\u95f4\u5546\u201d\u89d2\u8272\uff0c\u8d1f\u8d23\u6570\u636e\u4f20\u8f93\u7684\u201c\u552e\u540e\u670d\u52a1\u201d
6 \u8868\u793a\u5c42
\u3000\u3000\u9690\u85cf\u4e0d\u540c\u786c\u4ef6\u95f4\u7684\u5dee\u5f02\uff0c\u4f7f\u4e0d\u540c\u8ba1\u7b97\u673a\u4e92\u8054\u6570\u636e\u7684\u6700\u7ec8\u5904\u7406\uff0c\u4f9b\u7528\u6237\u4f7f\u7528
7 \u5e94\u7528\u5c42
\u3000\u3000\u63d0\u4f9bOSI\u7528\u6237\u670d\u52a1\uff0c\u5982\u4e8b\u52a1\u5904\u7406\u3001\u6587\u4ef6\u4f20\u8f93\u3001\u6570\u636e\u68c0\u7d22\u3001\u7f51\u7edc\u7ba1\u7406\u3001\u52a0\u5bc6
\u8fd9\u4e2a\u6709\u5f88\u591a\uff0c\u4f60\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff1a
\u659c\u7ebf\u524d\u9762\u7684\u6570\u5b57\u4ee3\u8868\u7aef\u53e3\u53f7\uff0c\u659c\u7ebf\u540e\u9762\u8868\u793atcp\u548cudp\uff0c\u6700\u540e\u662f\u534f\u8bae\u540d\u79f0\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01
21/tcp FTP \u6587\u4ef6\u4f20\u8f93\u534f\u8bae
22/tcp SSH \u5b89\u5168\u767b\u5f55\u3001\u6587\u4ef6\u4f20\u9001(SCP)\u548c\u7aef\u53e3\u91cd\u5b9a\u5411
23/tcp Telnet \u4e0d\u5b89\u5168\u7684\u6587\u672c\u4f20\u9001
25/tcp SMTP Simple Mail Transfer Protocol (E-mail)
69/udp TFTP Trivial File Transfer Protocol
79/tcp finger Finger
80/tcp HTTP \u8d85\u6587\u672c\u4f20\u9001\u534f\u8bae (WWW)
88/tcp Kerberos Authenticating agent
110/tcp POP3 Post Office Protocol (E-mail)
113/tcp ident old identification server system
119/tcp NNTP used for usenet newsgroups
220/tcp IMAP3
443/tcp HTTPS used for securely transferring web pages
应用层中SNMP,DHCP,DNS,RIP,NetBIOS,SMB,CIFS等是基于UDP的;HTTP,TELNET,FTP,SMTP,POP3,IMAP等是基于TCP的。
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绛旓細TCP鍜孶DP閮鏄浼犺緭灞傜殑鍗忚锛屼綅浜缃戠粶灞涔嬩笂锛孡Z闂殑搴斿綋鏄簲鐢ㄥ眰鐨勫崗璁惂锛熷簲鐢灞備腑SNMP,DHCP,DNS,RIP,NetBIOS,SMB,CIFS绛夋槸鍩轰簬UDP鐨勶紱HTTP,TELNET,FTP,SMTP,POP3,IMAP绛夋槸鍩轰簬TCP鐨勩
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