{ config, lib, pkgs, ... }: { programs.ssh = { # SSH configuration enable = true; # extra config to set the ciphers extraConfig = '' Ciphers aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr ''; # Enable compression compression = true; # enable session reuse controlMaster = "auto"; controlPersist = "10m"; # Configure known hosts matchBlocks = { "static.stranger.systems" = { hostname = "129.153.226.221"; user = "ubuntu"; }; "git.stranger.systems" = { user = "ubuntu"; }; }; }; }