{"id":208016,"date":"2025-07-08T14:23:36","date_gmt":"2025-07-08T06:23:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208016\/"},"modified":"2025-07-08T14:23:36","modified_gmt":"2025-07-08T06:23:36","slug":"golang-org-x-net-icmp%ef%bc%9a%e8%ae%be%e7%bd%ae%e7%94%9f%e5%ad%98%e6%97%b6%e9%97%b4%ef%bc%88ttl%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208016\/","title":{"rendered":"golang.org\/x\/net\/icmp\uff1a\u8bbe\u7f6e\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> golang.org\/x\/net\/icmp\uff1a\u8bbe\u7f6e\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-27 22:09:30<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587\u300agolang.org\/x\/net\/icmp\uff1a\u8bbe\u7f6e\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

Go \u6709\u5185\u7f6e\u7684 ICMP \u5b9e\u73b0\uff0c\u53ef\u4ee5\u5728 golang.org\/x\/net\/icmp \u4e0a\u627e\u5230\uff0c\u6709\u6ca1\u6709\u529e\u6cd5\u5728\u8fd9\u4e2a\u5e93\u4e2d\u8bbe\u7f6e TTL\uff1f\uff0c\u8c22\u8c22<\/p>\n

<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/h2>\n

<\/p>\n

\u6211\u4ece mattn \u4ee3\u7801\u4e2d\u627e\u5230\u4e86\u7b54\u6848\uff1a<\/p>\n

c.IPv4PacketConn().SetTTL(64) \/\/ for ipv4\nc.IPv6PacketConn().HopLimit(64) \/\/ for ipv6\n<\/pre>\n<\/p>\n
\u672c\u7bc7\u5173\u4e8e\u300agolang.org\/x\/net\/icmp\uff1a\u8bbe\u7f6e\u751f\u5b58\u65f6\u95f4\uff08TTL\uff09\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-208016","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=208016"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208016\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}