移动线路下不能 ssh 连接，求帮忙分析

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出问题的服务器是阿里云轻量，香港。作为对比的服务器是日本的一个。两台服务器都是 Ubuntu 16.04 本地电脑是 Mac OS X 10.13

在联通网络下，这两台服务器 ssh 都正常没有问题

在移动网络下，日本这台正常

阿里云这台会卡在加密交换这块

这是 ssh -vv 的输出

OpenSSH_7.6p1, LibreSSL 2.6.2 debug1: Reading configuration data /Users/lizhao/.ssh/config debug1: /Users/lizhao/.ssh/config line 79: Applying options for aliyun debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 48: Applying options for * debug2: ssh_connect_direct: needpriv 0 debug1: Connecting to 149.129.67.185 port 22. debug1: Connection established. debug1: identity file /Users/lizhao/.ssh/id_ecdsa type 2 debug1: key_load_public: No such file or directory debug1: identity file /Users/lizhao/.ssh/id_ecdsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_7.6 debug1: Remote protocol version 2.0, remote software version OpenSSH_7.2p2 Ubuntu-4ubuntu2.7 debug1: match: OpenSSH_7.2p2 Ubuntu-4ubuntu2.7 pat OpenSSH* compat 0x04000000 debug1: Authenticating to 149.129.67.185:22 as 'root' debug1: SSH2_MSG_KEXINIT sent

网上搜到的说改 MTU 什么的根本解决不了问题

没有思路了，求教

Supplement 1 · Mar 28, 2019

telnet 22 端口是通的，很奇怪

9 replies • 2022-11-23 13:49:13 +08:00