Logging to stat1006.eqiad.wmnet s1-analytics-slave or s3 is fine. Logging to x1-analytics-slave displays 'Access denied'. I used to log in to x1 without any problems.
etonkovidova@AdministorsAir2:~/Documents/gerrit/vagrant/mediawiki$ ssh stat1006.eqiad.wmnet Linux stat1006 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u2 (2017-06-26) x86_64 Debian GNU/Linux 9.1 (stretch) stat1006 is a Statistics general compute node (non private data) (statistics::cruncher) The last Puppet run was at Thu Sep 14 23:11:36 UTC 2017 (2 minutes ago). Debian GNU/Linux 9 auto-installed on Wed Jul 12 13:47:00 UTC 2017. Last login: Thu Sep 14 18:27:36 2017 from 198.35.26.5 etonkovidova@stat1006:~$ mysql -h s1-analytics-slave Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 47557758 Server version: 10.0.22-MariaDB-log MariaDB Server Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql:research@s1-analytics-slave [(none)]> exit Bye etonkovidova@stat1006:~$ mysql -h x1-analytics-slave ERROR 1045 (28000): Access denied for user 'research'@'10.64.53.31' (using password: YES)