<\/b> <\/p>\n\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\u5728Linux\u7cfb\u7edf\u4e2d<\/h1>\n
Linux \u7cfb\u7edf\u4ee5\u5176\u5728\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u9886\u57df\u7684\u5f3a\u5927\u529f\u80fd\u800c\u8457\u79f0\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8\u4e86 Linux \u7cfb\u7edf\u7684\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\uff0c\u6db5\u76d6\u4e86\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a\u3001\u8def\u7531\u914d\u7f6e\u3001\u7f51\u7edc\u5b89\u5168\u4ee5\u53ca\u5e38\u89c1\u6545\u969c\u6392\u67e5\u65b9\u6cd5\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\u5bf9\u4e8e IT \u5de5\u7a0b\u5e08\u548c\u7f51\u7edc\u7ba1\u7406\u5458\u81f3\u5173\u91cd\u8981\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u66f4\u6df1\u5165\u5730\u4e86\u89e3 Linux \u7f51\u7edc\u914d\u7f6e\u548c\u7ef4\u62a4\uff0c\u66f4\u597d\u5730\u7ba1\u7406 Linux \u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u3002<\/p>\n
Linux\u7cfb\u7edf\u5df2\u6210\u4e3a\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u9886\u57df\u7684\u4e3b\u6d41\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u4e00\u3002\u5b83\u5177\u6709\u6613\u4e8e\u5b9a\u5236\u3001\u9ad8\u5ea6\u5b89\u5168\u3001\u7a33\u5b9a\u6027\u548c\u5f3a\u5927\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6b63\u56e0\u5982\u6b64\uff0cLinux\u6210\u4e3a\u4e86\u8bb8\u591aIT\u5de5\u7a0b\u5e08\u548c\u7f51\u7edc\u7ba1\u7406\u5458\u7684\u9996\u9009\u3002<\/p>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5173\u6ce8Linux\u7cfb\u7edf\u4e0b\u7684\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u53ca\u6545\u969c\u6392\u67e5\u6280\u5de7\u3002\u6211\u4eec\u5c06\u8ba8\u8bba\u51e0\u4e2a\u5173\u952e\u9886\u57df\uff0c\u5305\u62ec\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a\u3001\u8def\u7531\u914d\u7f6e\u3001\u7f51\u7edc\u5b89\u5168\u548c\u5e38\u89c1\u7f51\u7edc\u6545\u969c\u6392\u67e5\u65b9\u6cd5\u3002\u672c\u6587\u5c06\u6709\u52a9\u4e8e\u60a8\u66f4\u6df1\u5165\u5730\u4e86\u89e3Linux\u7f51\u7edc\u914d\u7f6e\u548c\u7ef4\u62a4\uff0c\u5e76\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406Linux\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u3002<\/p>\n
\u4e00\u3001\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a<\/p>\n
Linux\u670d\u52a1\u5668\u53ef\u80fd\u5177\u6709\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\uff0c\u8fd9\u4e9b\u63a5\u53e3\u53ef\u80fd\u4f1a\u8fde\u63a5\u5230\u591a\u4e2a\u7f51\u7edc\u3002\u56e0\u6b64\uff0c\u786e\u4fdd\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u90fd\u6b63\u786e\u914d\u7f6e\u975e\u5e38\u91cd\u8981\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u6709\u5173\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a\u7684\u5173\u952e\u65b9\u9762\u3002<\/p>\n
\u5728Linux\u7cfb\u7edf\u4e0a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ifconfig\u547d\u4ee4\u68c0\u67e5\u7f51\u7edc\u63a5\u53e3\u7684\u8bbe\u7f6e\u3002\u6b64\u547d\u4ee4\u4e0d\u4ec5\u4f1a\u663e\u793a\u5f53\u524d\u7f51\u7edc\u63a5\u53e3\u7684IP\uff0c\u8fd8\u4f1a\u663e\u793a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u72b6\u6001\uff08\u5982UP\u6216DOWN\uff09\u7b49\u4fe1\u606f\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7ifconfig\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u66f4\u6539IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u5e7f\u64ad\u5730\u5740\u3001MAC\u5730\u5740\u7b49\u3002<\/p>\n
\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528ip\u547d\u4ee4\u6765\u67e5\u770b\u548c\u914d\u7f6e\u7f51\u7edc\u63a5\u53e3\u3002\u6b64\u547d\u4ee4\u6bd4ifconfig\u547d\u4ee4\u66f4\u5f3a\u5927\uff0c\u5141\u8bb8\u66f4\u8be6\u7ec6\u7684\u8bbe\u5b9a\uff0c\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ip\u547d\u4ee4\u914d\u7f6e\u90a3\u4e9b\u66f4\u9ad8\u7ea7\u7684\u7f51\u7edc\u8bbe\u5b9a\uff0c\u5305\u62ecvlan\u3001vxlan\u3001bridge\u7b49\u3002\u6b64\u5916\uff0c\u5982\u9700\u8bbe\u5b9a\u7279\u6b8a\u7f51\u7edc\u8bbe\u5907\uff0c\u5982Tap\uff0cTun\u8bbe\u5907\uff0c\u4e5f\u5fc5\u987b\u4f7f\u7528ip\u547d\u4ee4\u3002<\/p>\n
\u4e8c\u3001\u8def\u7531\u914d\u7f6e<\/p>\n
Linux\u670d\u52a1\u5668\u4e0a\u7684\u8def\u7531\u4efb\u52a1\u662f\u8ba9\u6570\u636e\u5305\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u63a5\u53e3\u4e4b\u95f4\u8f6c\u53d1\u3002\u8def\u7531\u5668\uff08\u6216Linux\u670d\u52a1\u5668\uff09\u5fc5\u987b\u77e5\u9053\u4e0b\u4e00\u8df3\u7684IP\u5730\u5740\uff0c\u4ee5\u4fbf\u5c06\u6570\u636e\u5305\u8def\u7531\u5230\u6b63\u786e\u7684\u63a5\u53e3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u5173\u8def\u7531\u8bbe\u5b9a\u7684\u5173\u952e\u8981\u7d20\uff1a<\/p>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528\u8def\u7531\u8868\u547d\u4ee4\uff08route\uff09\u6216ip\u8def\u7531\u547d\u4ee4\uff08ip route\uff09\u6765\u624b\u52a8\u64cd\u4f5cLinux\u7cfb\u7edf\u7684\u8def\u7531\u3002\u624b\u52a8\u64cd\u4f5c\u8def\u7531\u8868\u53ef\u80fd\u4f1a\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u5f88\u590d\u6742\uff0c\u4e14\u53ef\u80fd\u56e0\u7f51\u7edc\u62d3\u6251\u7684\u53d8\u5316\u800c\u6301\u7eed\u53d8\u5316\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528network-manager\u6216NetworkScripts\u5de5\u5177\u6765\u81ea\u52a8\u914d\u7f6e\u548c\u7ba1\u7406\u8def\u7531\u3002\u4f7f\u7528\u81ea\u52a8\u5316\u8def\u7531\u7ba1\u7406\u65b9\u6cd5\u6709\u52a9\u4e8e\u51cf\u5c11\u624b\u52a8\u64cd\u4f5c\uff0c\u5e76\u5141\u8bb8\u8ddf\u8e2a\u548c\u7ba1\u7406\u590d\u6742\u7684\u7f51\u7edc\u62d3\u6251\u3002<\/p>\n
\u4e09\u3001\u7f51\u7edc\u5b89\u5168<\/p>\n
\u7f51\u7edc\u5b89\u5168\u662fLinux\u7f51\u7edc\u8bbe\u7f6e\u7684\u53e6\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u6709\u5173\u7f51\u7edc\u5b89\u5168\u7684\u5173\u952e\u9886\u57df\u3002<\/p>\n
\u9632\u706b\u5899\u662f\u4fdd\u62a4Linux\u670d\u52a1\u5668\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5185\u7f6e\u5728Linux\u4e2d\u7684\u9632\u706b\u5899\u5de5\u5177\uff0c\u5982iptables\u3001firewalld\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u9632\u706b\u5899\u8bbe\u5b9a\uff0c\u4ee5\u786e\u4fdd\u53ea\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u6216\u7f51\u7ad9\u8bbf\u95ee\u670d\u52a1\u5668\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u6216Web\u5e94\u7528\u7a0b\u5e8f\u9632\u706b\u5899\u6765\u8fdb\u4e00\u6b65\u589e\u5f3a\u7f51\u7edc\u5b89\u5168\u3002<\/p>\n
\u52a0\u5bc6\u901a\u4fe1\u4e5f\u662f\u589e\u5f3aLinux\u670d\u52a1\u5668\u7f51\u7edc\u5b89\u5168\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u4f7f\u7528SSL\/TLS\u8bc1\u4e66\u6216VPN\uff08\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff09\u53ef\u4ee5\u52a0\u5bc6\u4e0e Linux \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u8baf\u3002\u8fd9\u53ef\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u88ab\u7a83\u53d6\u6216\u7be1\u6539\u3002<\/p>\n
\u56db\u3001\u5e38\u89c1\u6545\u969c\u6392\u67e5\u65b9\u6cd5<\/p>\n
\u6700\u540e\uff0c\u5f53\u60a8\u7684\u670d\u52a1\u5668\u9047\u5230\u7f51\u7edc\u6545\u969c\u65f6\uff0c\u60a8\u9700\u8981\u80fd\u591f\u6267\u884c\u6545\u969c\u6392\u67e5\u6765\u786e\u5b9a\u95ee\u9898\u7684\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u6545\u969c\u6392\u67e5\u6280\u5de7\u3002<\/p>\n
\u4f7f\u7528ping\u547d\u4ee4\u6d4b\u8bd5\u670d\u52a1\u5668\u7684\u53ef\u8fbe\u6027\u3002Ping\u547d\u4ee4\u53ef\u4ee5\u68c0\u6d4b\u7f51\u7edc\u8fde\u63a5\u662f\u5426\u6b63\u5e38\uff0c\u4ee5\u53ca\u670d\u52a1\u5668\u662f\u5426\u80fd\u591f\u6b63\u5e38\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e\u3002<\/p>\n
\u4f7f\u7528traceroute\u547d\u4ee4\u8ddf\u8e2a\u6570\u636e\u5305\u7684\u8def\u5f84\u3002traceroute\u547d\u4ee4\u53ef\u8ba9\u60a8\u4ece\u6e90\u5230\u76ee\u7684\u5730\u68c0\u67e5\u6570\u636e\u5305\u6240\u7ecf\u8fc7\u7684\u7f51\u7edc\u8bbe\u5907\u3002\u8fd9\u6709\u52a9\u4e8e\u68c0\u6d4b\u7f51\u7edc\u74f6\u9888\u548c\u95ee\u9898\uff0c\u4ee5\u4fbf\u66f4\u5feb\u5730\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n
\u4f7f\u7528tcpdump\u6216wireshark\u76d1\u89c6\u7f51\u7edc\u6d41\u91cf\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u8ba9\u60a8\u67e5\u770b\u5b9e\u65f6\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u4ee5\u4fbf\u786e\u5b9a\u6570\u636e\u5305\u662f\u5426\u5df2\u5230\u8fbe\u670d\u52a1\u5668\u6216\u662f\u5426\u79bb\u5f00\u670d\u52a1\u5668\u3002<\/p>\n
\u603b\u7ed3<\/p>\n
\u4ee5\u4e0a\u662fLinux\u7cfb\u7edf\u4e0b\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u5b9a\u53ca\u6545\u969c\u6392\u67e5\u6280\u5de7\u7684\u6982\u8ff0\u3002\u7ba1\u7406Linux\u7cfb\u7edf\u7684\u7f51\u7edc\u8bbe\u7f6e\u5e76\u4e0d\u5bb9\u6613\uff0c\u4f46\u662f\u7406\u89e3\u8fd9\u4e9b\u6982\u5ff5\u3001\u534f\u8bae\u548c\u5de5\u5177\u53ef\u4ee5\u4e3a\u60a8\u7684\u7f51\u7edc\u8bbe\u7f6e\u548c\u7ef4\u62a4\u5e26\u6765\u975e\u5e38\u5927\u7684\u6536\u76ca\u3002\u5efa\u8bae\u60a8\u7ecf\u5e38\u5b66\u4e60Linux\u7f51\u7edc\u8bbe\u7f6e\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u4f7f\u7528\u6700\u65b0\u7684\u7f51\u7edc\u7ba1\u7406\u5de5\u5177\u548c\u6280\u672f\uff0c\u4ee5\u4f7f\u60a8\u7684Linux\u670d\u52a1\u5668\u8fd0\u884c\u5f97\u66f4\u5b89\u5168\u548c\u66f4\u6709\u6548\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300a\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\u5728Linux\u7cfb\u7edf\u4e2d\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux\u7f51\u7edc\u8bbe\u5b9a,\u6545\u969c\u6392\u67e5\u6280\u5de7,\u7cfb\u7edf\u9ad8\u7ea7\u8bbe\u7f6e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\u5728Linux\u7cfb\u7edf\u4e2d Linux \u7cfb\u7edf\u4ee5\u5176\u5728\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u9886\u57df\u7684\u5f3a\u5927\u529f\u80fd\u800c\u8457\u79f0\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8\u4e86 Linux \u7cfb\u7edf\u7684\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\uff0c\u6db5\u76d6\u4e86\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a\u3001\u8def\u7531\u914d\u7f6e\u3001\u7f51\u7edc\u5b89\u5168\u4ee5\u53ca\u5e38\u89c1\u6545\u969c\u6392\u67e5\u65b9\u6cd5\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\u5bf9\u4e8e IT \u5de5\u7a0b\u5e08\u548c\u7f51\u7edc\u7ba1\u7406\u5458\u81f3\u5173\u91cd\u8981\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u66f4\u6df1\u5165\u5730\u4e86\u89e3 Linux \u7f51\u7edc\u914d\u7f6e\u548c\u7ef4\u62a4\uff0c\u66f4\u597d\u5730\u7ba1\u7406 Linux \u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u3002 Linux\u7cfb\u7edf\u5df2\u6210\u4e3a\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u9886\u57df\u7684\u4e3b\u6d41\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u4e00\u3002\u5b83\u5177\u6709\u6613\u4e8e\u5b9a\u5236\u3001\u9ad8\u5ea6\u5b89\u5168\u3001\u7a33\u5b9a\u6027\u548c\u5f3a\u5927\u7684\u7f51\u7edc\u529f\u80fd\uff0c\u6b63\u56e0\u5982\u6b64\uff0cLinux\u6210\u4e3a\u4e86\u8bb8\u591aIT\u5de5\u7a0b\u5e08\u548c\u7f51\u7edc\u7ba1\u7406\u5458\u7684\u9996\u9009\u3002 \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u5173\u6ce8Linux\u7cfb\u7edf\u4e0b\u7684\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u53ca\u6545\u969c\u6392\u67e5\u6280\u5de7\u3002\u6211\u4eec\u5c06\u8ba8\u8bba\u51e0\u4e2a\u5173\u952e\u9886\u57df\uff0c\u5305\u62ec\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a\u3001\u8def\u7531\u914d\u7f6e\u3001\u7f51\u7edc\u5b89\u5168\u548c\u5e38\u89c1\u7f51\u7edc\u6545\u969c\u6392\u67e5\u65b9\u6cd5\u3002\u672c\u6587\u5c06\u6709\u52a9\u4e8e\u60a8\u66f4\u6df1\u5165\u5730\u4e86\u89e3Linux\u7f51\u7edc\u914d\u7f6e\u548c\u7ef4\u62a4\uff0c\u5e76\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406Linux\u670d\u52a1\u5668\u548c\u7f51\u7edc\u8bbe\u5907\u3002 \u4e00\u3001\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a Linux\u670d\u52a1\u5668\u53ef\u80fd\u5177\u6709\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\uff0c\u8fd9\u4e9b\u63a5\u53e3\u53ef\u80fd\u4f1a\u8fde\u63a5\u5230\u591a\u4e2a\u7f51\u7edc\u3002\u56e0\u6b64\uff0c\u786e\u4fdd\u6bcf\u4e2a\u7f51\u7edc\u63a5\u53e3\u90fd\u6b63\u786e\u914d\u7f6e\u975e\u5e38\u91cd\u8981\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u6709\u5173\u7f51\u7edc\u63a5\u53e3\u8bbe\u5b9a\u7684\u5173\u952e\u65b9\u9762\u3002 \u5728Linux\u7cfb\u7edf\u4e0a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ifconfig\u547d\u4ee4\u68c0\u67e5\u7f51\u7edc\u63a5\u53e3\u7684\u8bbe\u7f6e\u3002\u6b64\u547d\u4ee4\u4e0d\u4ec5\u4f1a\u663e\u793a\u5f53\u524d\u7f51\u7edc\u63a5\u53e3\u7684IP\uff0c\u8fd8\u4f1a\u663e\u793a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u7684\u72b6\u6001\uff08\u5982UP\u6216DOWN\uff09\u7b49\u4fe1\u606f\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7ifconfig\u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u66f4\u6539IP\u5730\u5740\u3001\u5b50\u7f51\u63a9\u7801\u3001\u5e7f\u64ad\u5730\u5740\u3001MAC\u5730\u5740\u7b49\u3002 \u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528ip\u547d\u4ee4\u6765\u67e5\u770b\u548c\u914d\u7f6e\u7f51\u7edc\u63a5\u53e3\u3002\u6b64\u547d\u4ee4\u6bd4ifconfig\u547d\u4ee4\u66f4\u5f3a\u5927\uff0c\u5141\u8bb8\u66f4\u8be6\u7ec6\u7684\u8bbe\u5b9a\uff0c\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528ip\u547d\u4ee4\u914d\u7f6e\u90a3\u4e9b\u66f4\u9ad8\u7ea7\u7684\u7f51\u7edc\u8bbe\u5b9a\uff0c\u5305\u62ecvlan\u3001vxlan\u3001bridge\u7b49\u3002\u6b64\u5916\uff0c\u5982\u9700\u8bbe\u5b9a\u7279\u6b8a\u7f51\u7edc\u8bbe\u5907\uff0c\u5982Tap\uff0cTun\u8bbe\u5907\uff0c\u4e5f\u5fc5\u987b\u4f7f\u7528ip\u547d\u4ee4\u3002 \u4e8c\u3001\u8def\u7531\u914d\u7f6e Linux\u670d\u52a1\u5668\u4e0a\u7684\u8def\u7531\u4efb\u52a1\u662f\u8ba9\u6570\u636e\u5305\u5728\u4e0d\u540c\u7684\u7f51\u7edc\u63a5\u53e3\u4e4b\u95f4\u8f6c\u53d1\u3002\u8def\u7531\u5668\uff08\u6216Linux\u670d\u52a1\u5668\uff09\u5fc5\u987b\u77e5\u9053\u4e0b\u4e00\u8df3\u7684IP\u5730\u5740\uff0c\u4ee5\u4fbf\u5c06\u6570\u636e\u5305\u8def\u7531\u5230\u6b63\u786e\u7684\u63a5\u53e3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u5173\u8def\u7531\u8bbe\u5b9a\u7684\u5173\u952e\u8981\u7d20\uff1a \u60a8\u53ef\u4ee5\u4f7f\u7528\u8def\u7531\u8868\u547d\u4ee4\uff08route\uff09\u6216ip\u8def\u7531\u547d\u4ee4\uff08ip route\uff09\u6765\u624b\u52a8\u64cd\u4f5cLinux\u7cfb\u7edf\u7684\u8def\u7531\u3002\u624b\u52a8\u64cd\u4f5c\u8def\u7531\u8868\u53ef\u80fd\u4f1a\u5f88\u56f0\u96be\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u80fd\u5f88\u590d\u6742\uff0c\u4e14\u53ef\u80fd\u56e0\u7f51\u7edc\u62d3\u6251\u7684\u53d8\u5316\u800c\u6301\u7eed\u53d8\u5316\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528network-manager\u6216NetworkScripts\u5de5\u5177\u6765\u81ea\u52a8\u914d\u7f6e\u548c\u7ba1\u7406\u8def\u7531\u3002\u4f7f\u7528\u81ea\u52a8\u5316\u8def\u7531\u7ba1\u7406\u65b9\u6cd5\u6709\u52a9\u4e8e\u51cf\u5c11\u624b\u52a8\u64cd\u4f5c\uff0c\u5e76\u5141\u8bb8\u8ddf\u8e2a\u548c\u7ba1\u7406\u590d\u6742\u7684\u7f51\u7edc\u62d3\u6251\u3002 \u4e09\u3001\u7f51\u7edc\u5b89\u5168 \u7f51\u7edc\u5b89\u5168\u662fLinux\u7f51\u7edc\u8bbe\u7f6e\u7684\u53e6\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u51e0\u4e2a\u6709\u5173\u7f51\u7edc\u5b89\u5168\u7684\u5173\u952e\u9886\u57df\u3002 \u9632\u706b\u5899\u662f\u4fdd\u62a4Linux\u670d\u52a1\u5668\u7684\u57fa\u672c\u65b9\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5185\u7f6e\u5728Linux\u4e2d\u7684\u9632\u706b\u5899\u5de5\u5177\uff0c\u5982iptables\u3001firewalld\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u9632\u706b\u5899\u8bbe\u5b9a\uff0c\u4ee5\u786e\u4fdd\u53ea\u5141\u8bb8\u7279\u5b9aIP\u5730\u5740\u6216\u7f51\u7ad9\u8bbf\u95ee\u670d\u52a1\u5668\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u6216Web\u5e94\u7528\u7a0b\u5e8f\u9632\u706b\u5899\u6765\u8fdb\u4e00\u6b65\u589e\u5f3a\u7f51\u7edc\u5b89\u5168\u3002 \u52a0\u5bc6\u901a\u4fe1\u4e5f\u662f\u589e\u5f3aLinux\u670d\u52a1\u5668\u7f51\u7edc\u5b89\u5168\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u4f7f\u7528SSL\/TLS\u8bc1\u4e66\u6216VPN\uff08\u865a\u62df\u4e13\u7528\u7f51\u7edc\uff09\u53ef\u4ee5\u52a0\u5bc6\u4e0e Linux \u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u8baf\u3002\u8fd9\u53ef\u786e\u4fdd\u6570\u636e\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u88ab\u7a83\u53d6\u6216\u7be1\u6539\u3002 \u56db\u3001\u5e38\u89c1\u6545\u969c\u6392\u67e5\u65b9\u6cd5 \u6700\u540e\uff0c\u5f53\u60a8\u7684\u670d\u52a1\u5668\u9047\u5230\u7f51\u7edc\u6545\u969c\u65f6\uff0c\u60a8\u9700\u8981\u80fd\u591f\u6267\u884c\u6545\u969c\u6392\u67e5\u6765\u786e\u5b9a\u95ee\u9898\u7684\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u6545\u969c\u6392\u67e5\u6280\u5de7\u3002 \u4f7f\u7528ping\u547d\u4ee4\u6d4b\u8bd5\u670d\u52a1\u5668\u7684\u53ef\u8fbe\u6027\u3002Ping\u547d\u4ee4\u53ef\u4ee5\u68c0\u6d4b\u7f51\u7edc\u8fde\u63a5\u662f\u5426\u6b63\u5e38\uff0c\u4ee5\u53ca\u670d\u52a1\u5668\u662f\u5426\u80fd\u591f\u6b63\u5e38\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e\u3002 \u4f7f\u7528traceroute\u547d\u4ee4\u8ddf\u8e2a\u6570\u636e\u5305\u7684\u8def\u5f84\u3002traceroute\u547d\u4ee4\u53ef\u8ba9\u60a8\u4ece\u6e90\u5230\u76ee\u7684\u5730\u68c0\u67e5\u6570\u636e\u5305\u6240\u7ecf\u8fc7\u7684\u7f51\u7edc\u8bbe\u5907\u3002\u8fd9\u6709\u52a9\u4e8e\u68c0\u6d4b\u7f51\u7edc\u74f6\u9888\u548c\u95ee\u9898\uff0c\u4ee5\u4fbf\u66f4\u5feb\u5730\u89e3\u51b3\u95ee\u9898\u3002 \u4f7f\u7528tcpdump\u6216wireshark\u76d1\u89c6\u7f51\u7edc\u6d41\u91cf\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u8ba9\u60a8\u67e5\u770b\u5b9e\u65f6\u7684\u7f51\u7edc\u6d41\u91cf\uff0c\u4ee5\u4fbf\u786e\u5b9a\u6570\u636e\u5305\u662f\u5426\u5df2\u5230\u8fbe\u670d\u52a1\u5668\u6216\u662f\u5426\u79bb\u5f00\u670d\u52a1\u5668\u3002 \u603b\u7ed3 \u4ee5\u4e0a\u662fLinux\u7cfb\u7edf\u4e0b\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u5b9a\u53ca\u6545\u969c\u6392\u67e5\u6280\u5de7\u7684\u6982\u8ff0\u3002\u7ba1\u7406Linux\u7cfb\u7edf\u7684\u7f51\u7edc\u8bbe\u7f6e\u5e76\u4e0d\u5bb9\u6613\uff0c\u4f46\u662f\u7406\u89e3\u8fd9\u4e9b\u6982\u5ff5\u3001\u534f\u8bae\u548c\u5de5\u5177\u53ef\u4ee5\u4e3a\u60a8\u7684\u7f51\u7edc\u8bbe\u7f6e\u548c\u7ef4\u62a4\u5e26\u6765\u975e\u5e38\u5927\u7684\u6536\u76ca\u3002\u5efa\u8bae\u60a8\u7ecf\u5e38\u5b66\u4e60Linux\u7f51\u7edc\u8bbe\u7f6e\u7684\u6700\u4f73\u5b9e\u8df5\uff0c\u5e76\u4f7f\u7528\u6700\u65b0\u7684\u7f51\u7edc\u7ba1\u7406\u5de5\u5177\u548c\u6280\u672f\uff0c\u4ee5\u4f7f\u60a8\u7684Linux\u670d\u52a1\u5668\u8fd0\u884c\u5f97\u66f4\u5b89\u5168\u548c\u66f4\u6709\u6548\u3002 \u4eca\u5929\u5173\u4e8e\u300a\u9ad8\u7ea7\u7f51\u7edc\u8bbe\u7f6e\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\u5728Linux\u7cfb\u7edf\u4e2d\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux\u7f51\u7edc\u8bbe\u5b9a,\u6545\u969c\u6392\u67e5\u6280\u5de7,\u7cfb\u7edf\u9ad8\u7ea7\u8bbe\u7f6e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01 PHP\u5b9e\u73b0\u95ee\u9898\u8bc4\u5206\u548c\u6392\u5e8f\u529f\u80fd\u7684\u5f00\u53d1\u6307\u5357<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51714","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51714"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51714\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}