{"id":14530,"date":"2024-08-13T12:09:02","date_gmt":"2024-08-13T04:09:02","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-tc\/what-are-essential-network-devices-for-server-connectivity\/"},"modified":"2024-08-13T12:16:28","modified_gmt":"2024-08-13T04:16:28","slug":"what-are-essential-network-devices-for-server-connectivity","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/what-are-essential-network-devices-for-server-connectivity\/","title":{"rendered":"\u4f3a\u670d\u5668\u9023\u63a5\u5fc5\u5099\u7684\u7db2\u8def\u8a2d\u5099\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"\n

\u5728\u9999\u6e2f\u7e41\u5fd9\u7684\u6578\u4f4d\u5316\u74b0\u5883\u4e2d,\u7406\u89e3\u4f3a\u670d\u5668\u9023\u63a5\u7684\u8907\u96dc\u6027\u5c0d\u6280\u8853\u5c08\u696d\u4eba\u58eb\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u4e86\u5728\u9999\u6e2f\u5c16\u7aef\u8cc7\u6599\u4e2d\u5fc3\u4e2d\u9023\u63a5\u4f3a\u670d\u5668\u548c\u96fb\u8166\u6240\u9700\u7684\u57fa\u672c\u7db2\u8def\u8a2d\u5099\u3002\u7121\u8ad6\u60a8\u662f\u5f9e\u4e8b\u4f3a\u670d\u5668\u79df\u7528<\/a>\u9084\u662f\u4f3a\u670d\u5668\u8a17\u7ba1<\/a>\u670d\u52d9,\u638c\u63e1\u9019\u4e9b\u6982\u5ff5\u5c0d\u65bc\u512a\u5316\u60a8\u7684\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n

\u7db2\u8def\u9aa8\u5e79:\u9ad8\u6027\u80fd\u8def\u7531\u5668<\/strong><\/h2>\n

\u9ad8\u6027\u80fd\u8def\u7531\u5668\u662f\u9999\u6e2f\u4f3a\u670d\u5668\u9023\u63a5\u7684\u6838\u5fc3\u3002\u9019\u4e9b\u8a2d\u5099\u662f\u7db2\u969b\u7db2\u8def\u7684\u4ea4\u901a\u6307\u63ee\u5b98,\u6c7a\u5b9a\u8cc7\u6599\u5c01\u5305\u7684\u6700\u9ad8\u6548\u8def\u5f91\u3002\u5728\u9999\u6e2f\u5feb\u7bc0\u594f\u7684\u74b0\u5883\u4e2d,\u50cf\u601d\u79d1ASR 9000\u7cfb\u5217\u6216\u77bb\u535a\u7db2\u8defMX\u7cfb\u5217\u9019\u6a23\u7684\u8def\u7531\u5668\u5f88\u53d7\u6b61\u8fce,\u5b83\u5011\u63d0\u4f9b\u4e86\u592a\u6bd4\u7279\u7d1a\u7684\u6027\u80fd\u3002<\/p>\n

\u5c0d\u65bc\u6211\u5011\u4e2d\u7684\u6975\u5ba2\u4f86\u8aaa,\u9019\u88e1\u6709\u4e00\u500b\u8def\u7531\u5668\u5982\u4f55\u8655\u7406\u8cc7\u6599\u5c01\u5305\u7684\u507d\u7a0b\u5f0f\u78bc\u793a\u4f8b:<\/p>\n

function routePacket(packet):\r\n    destinationIP = packet.getDestinationIP()\r\n    nextHop = routingTable.lookup(destinationIP)\r\n    if nextHop:\r\n        forwardPacket(packet, nextHop)\r\n    else:\r\n        dropPacket(packet)\r\n<\/code><\/pre>\n
\u7db2\u8def\u4ea4\u63db\u5668:\u5c40\u90e8\u6d41\u91cf\u63a7\u5236\u5668<\/strong><\/h2>\n
\u8def\u7531\u5668\u8655\u7406\u7db2\u8def\u9593\u901a\u8a0a,\u800c\u4ea4\u63db\u5668\u7ba1\u7406\u672c\u5730\u7db2\u8def\u5167\u7684\u6d41\u91cf\u3002\u5728\u9999\u6e2f\u7684\u8cc7\u6599\u4e2d\u5fc3,\u50cfArista 7000\u7cfb\u5217\u6216\u601d\u79d1Nexus 9000\u7cfb\u5217\u9019\u6a23\u7684\u9ad8\u901f\u4ea4\u63db\u5668\u5f88\u5e38\u898b,\u5b83\u5011\u63d0\u4f9b\u5c0d\u91d1\u878d\u670d\u52d9\u548c\u904a\u6232\u884c\u696d\u81f3\u95dc\u91cd\u8981\u7684\u4f4e\u5ef6\u9072\u6027\u80fd\u3002<\/p>\n
\u9632\u706b\u7246:\u7db2\u8def\u5b88\u8b77\u8005<\/strong><\/h2>\n
\u9451\u65bc\u9999\u6e2f\u4f5c\u70ba\u5168\u7403\u5546\u696d\u4e2d\u5fc3\u7684\u5730\u4f4d,\u7db2\u8def\u5b89\u5168\u81f3\u95dc\u91cd\u8981\u3002\u50cfPalo Alto Networks\u7684PA-7000\u7cfb\u5217\u6216Fortinet\u7684FortiGate 7000\u7cfb\u5217\u9019\u6a23\u7684\u4e0b\u4e00\u4ee3\u9632\u706b\u7246(NGFW)<\/a>\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u9019\u4e9b\u9632\u706b\u7246\u8d85\u8d8a\u4e86\u7c21\u55ae\u7684\u8cc7\u6599\u5c01\u5305\u904e\u6ffe,\u63d0\u4f9b\u6df1\u5ea6\u5c01\u5305\u6aa2\u6e2c\u548c\u5a01\u8105\u60c5\u5831\u3002<\/p>\n
\u9019\u88e1\u662f\u4e00\u500b\u7c21\u5316\u7684iptables\u9632\u706b\u7246\u898f\u5247\u793a\u4f8b:<\/p>\n
iptables -A INPUT -p tcp --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT\r\n<\/code><\/pre>\n
\u9019\u689d\u898f\u5247\u5141\u8a31\u50b3\u5165\u7684SSH\u9023\u63a5,\u9019\u662f\u4f3a\u670d\u5668\u7ba1\u7406\u7684\u5e38\u898b\u8981\u6c42\u3002<\/p>\n
\u8ca0\u8f09\u5e73\u8861\u5668:\u78ba\u4fdd\u9ad8\u53ef\u7528\u6027<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u9ad8\u6d41\u91cf\u7684\u74b0\u5883\u4e2d,\u8ca0\u8f09\u5e73\u8861\u5668\u5c0d\u65bc\u5728\u591a\u500b\u4f3a\u670d\u5668\u4e4b\u9593\u5206\u914d\u7db2\u8def\u6d41\u91cf\u81f3\u95dc\u91cd\u8981\u3002F5\u7684BIG-IP\u6216NGINX Plus\u7b49\u89e3\u6c7a\u65b9\u6848\u88ab\u5ee3\u6cdb\u4f7f\u7528\u3002\u9019\u4e9b\u8a2d\u5099\u4e0d\u50c5\u5e73\u8861\u8ca0\u8f09,\u9084\u63d0\u4f9b\u5065\u5eb7\u6aa2\u67e5\u548cSSL\u5378\u8f09\u3002<\/p>\n
\u7db2\u8def\u9644\u52a0\u5132\u5b58(NAS):\u96c6\u4e2d\u5f0f\u8cc7\u6599\u7ba1\u7406<\/strong><\/h2>\n
\u70ba\u4e86\u5728\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u9ad8\u6548\u7ba1\u7406\u8cc7\u6599,\u50cfSynology RackStation\u6216QNAP Enterprise ZFS NAS\u9019\u6a23\u7684NAS\u8a2d\u5099\u5f88\u53d7\u6b61\u8fce\u3002\u9019\u4e9b\u8a2d\u5099\u63d0\u4f9b\u53ef\u900f\u904e\u7db2\u8def\u5b58\u53d6\u7684\u96c6\u4e2d\u5132\u5b58,\u5c0d\u5099\u4efd\u548c\u6a94\u6848\u5171\u4eab\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
VPN\u96c6\u4e2d\u5668:\u5b89\u5168\u9060\u7aef\u5b58\u53d6<\/strong><\/h2>\n
\u96a8\u8457\u9060\u7aef\u5de5\u4f5c\u7684\u8208\u8d77,VPN\u96c6\u4e2d\u5668\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u50cf\u601d\u79d1\u7684ASA\u8207AnyConnect\u6216Pulse Secure\u7684PSA\u7cfb\u5217\u7b49\u8a2d\u5099\u80fd\u5920\u5be6\u73fe\u5c0d\u9999\u6e2f\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u7684\u5b89\u5168\u9060\u7aef\u5b58\u53d6\u3002<\/p>\n
\u7db2\u8def\u76e3\u63a7\u5de5\u5177:\u76e3\u63a7\u6027\u80fd<\/strong><\/h2>\n
\u70ba\u4e86\u7dad\u6301\u6700\u4f73\u6027\u80fd,\u7db2\u8def\u76e3\u63a7\u5de5\u5177\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u50cfSolarWinds Network Performance Monitor\u6216PRTG Network Monitor\u9019\u6a23\u7684\u89e3\u6c7a\u65b9\u6848\u63d0\u4f9b\u4e86\u7db2\u8def\u5065\u5eb7\u548c\u6027\u80fd\u7684\u5373\u6642\u6d1e\u5bdf\u3002<\/p>\n
\u4e0d\u65b7\u96fb\u7cfb\u7d71(UPS):\u78ba\u4fdd\u6301\u7e8c\u904b\u884c<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u5feb\u7bc0\u594f\u7684\u5546\u696d\u74b0\u5883\u4e2d,\u5373\u4f7f\u662f\u77ed\u66ab\u7684\u96fb\u529b\u4e2d\u65b7\u4e5f\u53ef\u80fd\u4ee3\u50f9\u9ad8\u6602\u3002\u4f86\u81eaAPC\u6216Eaton\u7b49\u54c1\u724c\u7684UPS\u7cfb\u7d71\u5c0d\u65bc\u7dad\u6301\u7db2\u8def\u8a2d\u5099\u7684\u6301\u7e8c\u904b\u884c\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u9999\u6e2f\u4f3a\u670d\u5668\u9023\u63a5\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u8a2d\u8a08\u7db2\u8def\u62d3\u64b2\u6642,\u8acb\u8003\u616e\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10:<\/p>\n