突然之间,新用户无法通过 ssh 进入我们的 ubuntu 服务器。尝试时,连接将关闭。我尝试使用从未登录过服务器的测试用户执行 su,但出现权限被拒绝的情况。当我执行 sudo service sssd status 时,我得到
jordend@server:/etc/ssh$ sudo service sssd status
● sssd.service - System Security Services Daemon
Loaded: loaded (/lib/systemd/system/sssd.service; enabled; vendor preset: enabled)
Active: active (running) since Wed 2020-06-10 09:11:07 PDT; 10min ago
Main PID: 1090 (sssd)
Tasks: 4 (limit: 7065)
CGroup: /system.slice/sssd.service
├─1090 /usr/sbin/sssd -i --logger=files
├─1435 /usr/lib/x86_64-linux-gnu/sssd/sssd_be --domain mydomain.com --uid 0 --gid 0 --logger=files
├─1519 /usr/lib/x86_64-linux-gnu/sssd/sssd_nss --uid 0 --gid 0 --logger=files
└─1520 /usr/lib/x86_64-linux-gnu/sssd/sssd_pam --uid 0 --gid 0 --logger=files
Jun 10 09:11:06 server.mydomain.com sssd[be[1435]: Starting up
Jun 10 09:11:07 server.mydomain.com sssd[1520]: Starting up
Jun 10 09:11:07 server.mydomain.com sssd[1519]: Starting up
Jun 10 09:11:07 server.mydomain.com systemd[1]: Started System Security Services Daemon.
Jun 10 09:11:08 server.mydomain.com sssd[1090]: ; TSIG error with server: tsig verify failure
Jun 10 09:11:08 server.mydomain.com sssd[1090]: ; TSIG error with server: tsig verify failure
Jun 10 09:11:08 server.mydomain.com sssd[1090]: ; TSIG error with server: tsig verify failure
Jun 10 09:11:08 server.mydomain.com sssd[1090]: ; TSIG error with server: tsig verify failure
Jun 10 09:11:08 server.mydomain.com sssd[1090]: ; TSIG error with server: tsig verify failure
Jun 10 09:12:21 server.mydomain.com [sssd[krb5_child[2094]: No credentials cache found (filename: /tmp/krb5cc_600010461_Z13abW)
这似乎发生在我的所有 3 台 ubuntu 服务器上。