在我每天使用的 Oracle/RedHat VM 上（可能在每晚升级之后），我遇到以下身份验证错误：
$ ssh machine
Bad packet length NNNNNNN. ssh_dispatch_run_fatal: Connection to A.B.C.D port NN: Connection corrupted
更多调试视图：
$ ssh -vvvv machine
...
debug3: set_sock_tos: set socket 3 IP_TOS 0x10
debug1: Connection established.
...
debug1: Local version string SSH-2.0-OpenSSH_9.3p1 Ubuntu-1ubuntu3.2
debug1: Remote protocol version 2.0, remote software version OpenSSH_8.0
debug1: compat_banner: match: OpenSSH_8.0 pat OpenSSH* compat 0x04000000
debug2: fd 3 setting O_NONBLOCK
...
debug3: set_sock_tos: set socket 3 IP_TOS 0x10
debug1: Connection established.
...
debug2: compression ctos: none,zlib@openssh.com,zlib …