You need to use ssh to log into the machines; telnet and rlogin are
disabled for security reasons. On debian.org servers the only ssh
authentication method available is publickey. The LDAP directory is
-able to share RSA ssh keys among machines, please see
+able to share public ssh keys among machines, please see
<URL:https://db.debian.org/doc-mail.html>. Please be aware of the
-security implications of using RSA authentication and ssh agents. The
-SSH fingerprints for all Debian machines can be looked up at
+security implications of using public-key authentication and ssh agents.
+The SSH fingerprints for all Debian machines can be looked up at
<URL:https://db.debian.org/machines.cgi> or a known_hosts file can be
downloaded from <URL:https://db.debian.org/debian_known_hosts>.