{"topic":{"id":10726,"title":"外网也能连接服务器？","slug":"topic","categoryId":58,"createdAt":"2024-03-12 11:12:27.498702","bumpedAt":"2024-03-22 15:05:46.62379","views":402,"postsCount":6,"highestPostNumber":6,"likeCount":0,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"Shunlei Yang: 注意 ICSServer 需要在校园网环境下登录，（包括但不限于 XJTU-WLAN/XJTU-STU/宿舍组网等等），外网环境无法连接一直没有尝试过外网（除校园网的网）连接服务器，结果居然成功了？无论是 vscode 还是自己的 shell 都可以 ssh 连接上：","deletedAt":null,"isAnonymous":false,"category":{"id":58,"name":"计算机系统导论","slug":"ics","color":"3AB54A"},"author":{"id":31,"username":"TsuinoSora","name":null,"avatarUrl":"/uploads/image/77/06/7706643ba6d3ee1ec9d0070db0ad8a22bed8651fa8eb829cf44df4d20fa24b3b.avif"},"tags":[]},"posts":[{"id":26687,"postNumber":1,"raw":"[quote=\"Shunlei Yang, post:1, topic:10052, username:Shunlei_Yang\"]\n注意 ICSServer 需要在校园网环境下登录， **（包括但不限于 XJTU-WLAN/XJTU-STU/宿舍组网等等），外网环境无法连接**\n[/quote]\n\n\n一直没有尝试过外网（除校园网的网）连接服务器，结果居然成功了？无论是 vscode 还是自己的 shell 都可以 ssh 连接上：\n\n![image|690x345](/uploads/image/49/bf/49bfa58558d96830c08a2598d574d19b7a42be370903480a2e2575462fee150a.avif)","cooked":"

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\n\t\t\t\t\t\t\t\t\tShunlei Yang:\n\t\t\t\t\t\t\t\t

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注意 ICSServer 需要在校园网环境下登录， （包括但不限于 XJTU-WLAN/XJTU-STU/宿舍组网等等），外网环境无法连接
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一直没有尝试过外网（除校园网的网）连接服务器，结果居然成功了？无论是 vscode 还是自己的 shell 都可以 ssh 连接上：

$\"image\"$

\n","createdAt":"2024-03-12 11:12:27.584728","updatedAt":"2024-03-12 11:12:27.584728","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":95,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":31,"username":"TsuinoSora","name":null,"avatarUrl":"/uploads/image/77/06/7706643ba6d3ee1ec9d0070db0ad8a22bed8651fa8eb829cf44df4d20fa24b3b.avif","admin":false,"moderator":true,"signatureRaw":null,"signatureCooked":null}},{"id":26695,"postNumber":2,"raw":"我个人体验来说，去年确实不可以，今年不清楚","cooked":"

我个人体验来说，去年确实不可以，今年不清楚

\n","createdAt":"2024-03-12 12:08:54.653385","updatedAt":"2024-03-12 12:08:54.653385","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":21,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":178,"username":"Hypocrisy","name":"rotartsinimdA","avatarUrl":"/uploads/image/ce/f3/cef3773e378e161524cc7523c8a63dff0698d22802b0c1ab669894d395ee36a3.avif","admin":false,"moderator":true,"signatureRaw":null,"signatureCooked":null}},{"id":26709,"postNumber":3,"raw":"这图也看不出来是外网进的啊","cooked":"

这图也看不出来是外网进的啊

\n","createdAt":"2024-03-12 13:22:34.492788","updatedAt":"2024-03-12 13:22:34.492788","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":13,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":3963,"username":"octopus","name":"octopus","avatarUrl":null,"admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":26711,"postNumber":4,"raw":"要想外网也能连，可以用转发，使用 frp 或者直接用 SSH Remote forwarding，在目标服务器上运行\r\n```\r\nssh -R \"*::localhost:\" -N -v \r\n```\r\n其中 ``是可以公网 IP 访问的中继服务器，``是无法公网 IP 访问的目标服务器上 SSH 端口，`` 是期望通过中继服务器连接的端口","cooked":"
要想外网也能连，可以用转发，使用 frp 或者直接用 SSH Remote forwarding，在目标服务器上运行
\n
ssh -R \"*:<b>:localhost:<a>\" -N <c> -v \n
\n
其中 <c>是可以公网 IP 访问的中继服务器，<a>是无法公网 IP 访问的目标服务器上 SSH 端口，<a> 是期望通过中继服务器连接的端口
\n","createdAt":"2024-03-12 13:41:28.630915","updatedAt":"2024-03-12 13:41:28.630915","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":94,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1047,"username":"anonymous_coward_old","name":"Anonymous Coward Old","avatarUrl":"/uploads/image/43/32/4332638c11248b8ff07033c11de0759a55205facfbec85e14458245a91991faf.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":26716,"postNumber":5,"raw":"如确实有需求可以自行部署带 token 认证的 frp 服务，若未启用登录认证导致 ics 服务器受到攻击，后果自负。","cooked":"
如确实有需求可以自行部署带 token 认证的 frp 服务，若未启用登录认证导致 ics 服务器受到攻击，后果自负。
\n","createdAt":"2024-03-12 14:43:44.104998","updatedAt":"2024-03-13 00:44:49.721903","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":45,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":3285,"username":"platypus","name":"platypus","avatarUrl":"/uploads/image/8d/c9/8dc95eb138bc6d59e76c2244407a8c6ae1f8cf33049c520cabbde1e4145f38ac.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}},{"id":27567,"postNumber":6,"raw":"修正：`` 是期望通过中继服务器连接的端口，需要确保防火墙打开 TCP\r\n\r\n`` 一般是 22","cooked":"
修正：<b> 是期望通过中继服务器连接的端口，需要确保防火墙打开 TCP
\n
<a> 一般是 22
\n","createdAt":"2024-03-22 15:05:46.62379","updatedAt":"2024-03-22 15:05:46.62379","replyToPostNumber":null,"replyCount":0,"likeCount":0,"wordCount":34,"liked":false,"bookmarked":false,"polls":[],"reactions":[],"wiki":false,"version":1,"publicVersion":1,"deletedAt":null,"isAnonymous":false,"user":{"id":1047,"username":"anonymous_coward_old","name":"Anonymous Coward Old","avatarUrl":"/uploads/image/43/32/4332638c11248b8ff07033c11de0759a55205facfbec85e14458245a91991faf.avif","admin":false,"moderator":false,"signatureRaw":null,"signatureCooked":null}}],"hasMore":false,"lastReadPostNumber":1,"hasUrlPostNumber":false}