Commit Graph

5 Commits

Author SHA1 Message Date
Alan Orth 1c95c1faa8
roles/common: Update KexAlgorithms in Ubuntu 20.04 sshd_config
Recommended by ssh-audit. Note that curve25519-sha256 is the new name
for the previously private implementation in libssh.
2021-07-22 12:57:31 +03:00
Alan Orth 9ea14de6f5
roles/common: Remove Encrypt-and-MAC modes from Ubuntu 20.04 sshd_config
Recommended by ssh-audit, but also generally the concensus for a few
years that Encrypt-and-MAC is hard to get right. OpenSSH has several
Encrypt-then-MAC schemes available so we can use those.

See: https://www.daemonology.net/blog/2009-06-24-encrypt-then-mac.html
2021-07-22 12:48:12 +03:00
Alan Orth 4edf92fe0d
roles/common: Allow adding extra SSH users 2020-12-08 23:15:51 +02:00
Alan Orth 6fcb1290fe roles/common: Port sshd_config changes from Debian 10 to Ubuntu 20.04
By now the recommendations we were using as guidance are five years
old. The ciphers have not changed much since then.
2020-06-08 12:15:29 +03:00
Alan Orth 5a58d93dfe roles/common: Import sshd_config for Ubuntu 20.04 2020-06-08 12:15:29 +03:00