We did, too, when we were in startup mode. Now, nothing runs unencrypted internally.
Most tooling uses TLS, because when you do this at scale, you automate your CA and it is much easier to securely deal with than, eg, ssh certs. But we do use (LDAP centralized) ssh as well, mostly for humans.
Most tooling uses TLS, because when you do this at scale, you automate your CA and it is much easier to securely deal with than, eg, ssh certs. But we do use (LDAP centralized) ssh as well, mostly for humans.