{"id":623,"date":"2018-10-11T14:29:28","date_gmt":"2018-10-11T06:29:28","guid":{"rendered":"https:\/\/flandre-scarlet.moe\/blog\/?p=623"},"modified":"2018-10-13T14:29:56","modified_gmt":"2018-10-13T06:29:56","slug":"%e5%a4%9a%e7%bd%91%e5%8d%a1%e8%ae%be%e4%b8%ba%e5%90%8c%e4%b8%80%e7%bd%91%e6%ae%b5%e5%af%bc%e8%87%b4%e6%95%b0%e6%8d%ae%e5%8c%85%e5%8f%91%e9%80%81%e5%a4%b1%e8%b4%a5","status":"publish","type":"post","link":"https:\/\/flandre-scarlet.moe\/blog\/623\/","title":{"rendered":"\u591a\u7f51\u5361\u8bbe\u4e3a\u540c\u4e00\u7f51\u6bb5\u5bfc\u81f4\u6570\u636e\u5305\u53d1\u9001\u5931\u8d25"},"content":{"rendered":"<p>\u4e4b\u524d\u5904\u7406\u4e86\u4e00\u4e2a bug\uff0c\u8f6f\u4ef6\u5728\u4e00\u4e9b\u4f7f\u7528\u573a\u666f\u4e0b\u4f1a\u53d1\u4e0d\u51fa udp \u5305\uff0c\u6392\u67e5\u4e4b\u540e\u53d1\u73b0\u662f\u8c03\u7528 sendto() \u51fd\u6570\u6210\u529f\uff0c\u7136\u800c\u4f7f\u7528 wireshark \u5374\u6293\u4e0d\u5230 udp \u5305\u3002<\/p>\n<p>\u7136\u540e\u5728\u6392\u67e5\u8fc7\u7a0b\u4e2d\u67e5\u770b arp \u8868\u65f6\uff0c\u7ed3\u679c\u610f\u5916\u53d1\u73b0\u5c45\u7136\u6709\u4e24\u5f20\u7f51\u5361\u662f\u88ab\u8bbe\u7f6e\u6210\u540c\u4e00\u4e2a\u7f51\u6bb5 \u7684 ip \u4e86\uff0c\u6454\u554a\uff01<\/p>\n<p>\u4e8e\u662f\u770b\u4e86\u4e00\u4e0b\u8def\u7531\u8868\uff0c\u53d1\u73b0\u679c\u7136\u662f\u672a\u4f7f\u7528\u7684\u7f51\u5361 B\uff08192.168.2.56\uff09\u7684\u8bb0\u5f55\u5728\u7f51\u5361 A\uff08192.168.2.204\uff09\u4e4b\u524d\uff0c\u800c\u8bbe\u5907\u662f\u8fde\u63a5\u5728\u7f51\u5361 A \u4e0a\u7684\u3002<\/p>\n<p>\u8fd9\u5c31\u5bfc\u81f4\u901a\u8baf\u65f6\u7cfb\u7edf\u4f1a\u9996\u5148\u4f7f\u7528 B \u6765\u53d1\u9001\u6570\u636e\u5305\uff0c\u800c\u5f53\u8bbe\u5907\u7684 mac \u5730\u5740\u6ca1\u6709\u88ab\u7f51\u5361\u7f13\u5b58\u65f6\uff0cB \u4f1a\u9996\u5148\u53d1\u9001 arp \u5e7f\u64ad\u5305\u83b7\u53d6\u8bbe\u5907\u7684 mac \u5730\u5740\u3002\u5f53\u7136\u8fde\u5728\u7f51\u5361 A \u4e0a\u7684\u8bbe\u5907 C \u662f\u6ca1\u6cd5\u56de\u5e94\u7684\uff0c\u7136\u540e\u6570\u636e\u5305\u4f1a\u56e0\u4e3a B \u6ca1\u6709\u76ee\u7684 ip \u7684\u7269\u7406\u5730\u5740\u800c\u53d1\u9001\u5931\u8d25\u3002<\/p>\n<p>\u53e6\u5916\u5f53 B \u7684 arp \u5931\u8d25\u540e\u4f1a\u5728 B \u7684 arp \u8868\u4e2d\u751f\u6210\u4e00\u4e2a\u8be5 ip \u5730\u5740\u7684\u8bb0\u5f55\u9879\uff0c\u6307\u793a\u8be5 ip \u5bf9\u5e94\u65e0\u6548\u7684 mac \u5730\u5740(00-00-00-00-00-00)\uff0c\u6839\u636e<a href=\"https:\/\/support.microsoft.com\/kb\/949589\" rel=\"noopener\" target=\"_blank\">\u5fae\u8f6f\u7684\u63cf\u8ff0<\/a>\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u8be5\u8bb0\u5f55\u9879\u4f1a\u572815\u523045\u79d2\u540e\u5237\u65b0\u3002\u5728 B \u7684\u8bb0\u5f55\u6e05\u9664\u4e4b\u524d\u518d\u53d1\u8d77\u901a\u8baf\u8bf7\u6c42\u65f6\u7cfb\u7edf\u4f1a\u9009\u62e9\u4f7f\u7528 A \u53d1\u9001 arp \u5e7f\u64ad\uff0c\u8fd9\u65f6\u8bbe\u5907\u4fbf\u80fd\u63a5\u6536\u6570\u636e\u548c\u6b63\u5e38\u901a\u8baf\u3002\u5426\u5219\u5f53 B \u4e2d\u7684\u65e0\u6548\u8bb0\u5f55\u88ab\u6e05\u9664\u540e\u4f1a\u7ee7\u7eed\u4f7f\u7528 B\uff0c\u901a\u8baf\u4f9d\u65e7\u4f1a\u5931\u8d25\u3002<\/p>\n<p>\u603b\u7ed3\u4e00\u4e0b\u5c31\u662f\u4e24\u5f20\u540c\u7f51\u6bb5 ip \u7684\u7f51\u5361\uff0c\u5f53\u4e24\u5f20\u7f51\u5361\u7684 arp \u8868\u90fd\u6ca1\u6709\u5bf9\u5e94\u7684\u8bb0\u5f55\u65f6\uff0c\u7cfb\u7edf\u4f1a\u6839\u636e\u8def\u7531\u8868\u4e2d\u8bb0\u5f55\u7684\u987a\u5e8f\u9009\u62e9\u7b2c\u4e00\u4e2a\u7f51\u5361\u8fdb\u884c\u901a\u8baf(\u542f\u7528\u3001\u7981\u7528\u7f51\u5361\u53ef\u6539\u53d8\u8def\u7531\u8868\u7684\u8bb0\u5f55\u987a\u5e8f)\u3002\u5982\u679c\u7f51\u5361\u7684 arp \u8868\u4e2d\u7f13\u5b58\u4e86\u5bf9\u5e94\u7684 mac \u5219\u4f1a\u76f4\u63a5\u4f7f\u7528\u76f8\u5e94\u7684\u7f51\u5361\u8fdb\u884c\u901a\u8baf\u3002<br \/>\n\u5f53\u7136\u6700\u597d\u8fd8\u662f\u4e0d\u8981\u8bbe\u4e3a\u540c\u4e00\u4e2a\u7f51\u6bb5\u2026\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u5904\u7406\u4e86\u4e00\u4e2a bug\uff0c\u8f6f\u4ef6\u5728\u4e00\u4e9b\u4f7f\u7528\u573a\u666f\u4e0b\u4f1a\u53d1\u4e0d\u51fa udp \u5305\uff0c\u6392\u67e5\u4e4b\u540e\u53d1\u73b0\u662f\u8c03\u7528 sendto() \u51fd\u6570\u6210&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/flandre-scarlet.moe\/blog\/623\/\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[64,63,62],"class_list":["post-623","post","type-post","status-publish","format-standard","hentry","category-debug","tag-sendto","tag-socket","tag-udp"],"_links":{"self":[{"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/posts\/623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/comments?post=623"}],"version-history":[{"count":0,"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/posts\/623\/revisions"}],"wp:attachment":[{"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/media?parent=623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/categories?post=623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/flandre-scarlet.moe\/blog\/wp-json\/wp\/v2\/tags?post=623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}