dotfiles/modules/services/cloudflare.nix
2022-10-15 19:00:37 +00:00

57 lines
1.1 KiB
Nix

# This module is necessary for hosts that are serving through Cloudflare.
{ ... }:
let
cloudflareIpRanges = [
# Cloudflare IPv4: https://www.cloudflare.com/ips-v4
"173.245.48.0/20"
"103.21.244.0/22"
"103.22.200.0/22"
"103.31.4.0/22"
"141.101.64.0/18"
"108.162.192.0/18"
"190.93.240.0/20"
"188.114.96.0/20"
"197.234.240.0/22"
"198.41.128.0/17"
"162.158.0.0/15"
"104.16.0.0/13"
"104.24.0.0/14"
"172.64.0.0/13"
"131.0.72.0/22"
# Cloudflare IPv6: https://www.cloudflare.com/ips-v6
"2400:cb00::/32"
"2606:4700::/32"
"2803:f800::/32"
"2405:b500::/32"
"2405:8100::/32"
"2a06:98c0::/29"
"2c0f:f248::/32"
];
in {
imports = [ ./caddy.nix ];
config = {
# Forces Caddy to error if coming from a non-Cloudflare IP
caddyBlocks = [{
match = [{ not = [{ remote_ip.ranges = cloudflareIpRanges; }]; }];
handle = [{
handler = "static_response";
abort = true;
}];
}];
# Allows Nextcloud to trust Cloudflare IPs
services.nextcloud.config.trustedProxies = cloudflareIpRanges;
};
}