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Restructure folders, add mail host

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The entire file structure has been reorganised into stable and unstable
to separate deployments running on either channel. A `mail` host running
Simple Nix Mailserver has also been added for testing to see if it's a
good alternative to soverin as well as SMTP for other services.
This commit is contained in:
Emelie Graven 2021-11-20 07:18:18 +01:00
parent 51ba0ae296
commit 90eb0c3708
Signed by: emelie
GPG key ID: C11123726DBB55A1
78 changed files with 535 additions and 1 deletions
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1
config/common/data/pubkeys/despondos_host_ed25519_key.pub
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ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIH+ZQk80BU/OdQfV990yrkFwvsLVbVZ2Itof/qwxjTn7

43
config/common/services/nginx.nix
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{ ... }:
{
services.nginx = {
enable = true;
# Use recommended settings
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
# Only allow PFS-enabled ciphers with AES256
sslCiphers = "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384";
commonHttpConfig = ''
# Add HSTS header with preloading to HTTPS requests.
# Adding this header to HTTP requests is discouraged
map $scheme $hsts_header {
https "max-age=31536000; includeSubdomains; preload";
}
add_header Strict-Transport-Security $hsts_header;
# Enable CSP for your services.
#add_header Content-Security-Policy "script-src 'self'; object-src 'none'; base-uri 'none';" always;
# Minimize information leaked to other domains
add_header 'Referrer-Policy' 'origin-when-cross-origin';
# Disable embedding as a frame
add_header X-Frame-Options DENY;
# Prevent injection of code in other mime types (XSS Attacks)
add_header X-Content-Type-Options nosniff;
# Enable XSS protection of the browser.
# May be unnecessary when CSP is configured properly (see above)
add_header X-XSS-Protection "1; mode=block";
# This might create errors
proxy_cookie_path / "/; secure; HttpOnly; SameSite=strict";
'';
};
}

24
config/common/services/ssh.nix
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{ ... }:
{
services.openssh = {
enable = true;
permitRootLogin = "no";
passwordAuthentication = false;
challengeResponseAuthentication = false;
hostKeys = [ { "path" = "/etc/ssh/ssh_host_ed25519_key"; "type" = "ed25519"; } ];
kexAlgorithms = [ "curve25519-sha256" "curve25519-sha256@libssh.org" ];
macs = [ "hmac-sha2-512-etm@openssh.com" "hmac-sha2-512-etm@openssh.com" "umac-128-etm@openssh.com" ];
};
programs.ssh.knownHosts = {
despondos = {
hostNames = [ "despondos.nao.sh" ];
publicKeyFile = ../data/pubkeys/despondos_host_ed25519_key.pub;
};
};
services.sshguard = {
enable = true;
blocktime = 300;
};
}