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fix(sniproxy): outside/inside of infra, the ingress IPs are different

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In my infrastructure, the source node is 99::1, outside of my infra,
it's ::1.

All of this machinery was never really meant to be used on this scale,
so oopsie.

We should build our own sniproxy at some point.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This commit is contained in:
raito 2024-08-30 19:01:44 +02:00
parent 1b22c1f0ae
commit c969625b0f
1 changed files with 6 additions and 5 deletions
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11
common/raito-proxy-aware-nginx.nix
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@ -1,9 +1,10 @@
# This enables an IPv6-only server which is proxied by kurisu.lahfa.xyz to have proper IPv4 logs via PROXY protocol. # This enables an IPv6-only server which is proxied by kurisu.lahfa.xyz to have proper IPv4 logs via PROXY protocol.
{ config, lib, ... }: { config, lib, ... }:
let let
inherit (lib) mkEnableOption mkIf; inherit (lib) mkEnableOption mkIf concatStringsSep;
cfg = config.bagel.raito.v6-proxy-awareness; cfg = config.bagel.raito.v6-proxy-awareness;
allowedUpstream = "2001:bc8:38ee:99::1/128"; # outside of raito infra inside of raito infra
allowedUpstreams = [ "2001:bc8:38ee::1/128" "2001:bc8:38ee:99::1/128" ];
in in
{ {
options.bagel.raito.v6-proxy-awareness.enable = mkEnableOption "the kurisu.lahfa.xyz's sniproxy awareness for NGINX"; options.bagel.raito.v6-proxy-awareness.enable = mkEnableOption "the kurisu.lahfa.xyz's sniproxy awareness for NGINX";
@ -20,8 +21,8 @@ in
]; ];
appendHttpConfig = '' appendHttpConfig = ''
# Kurisu node # Kurisu nodes
set_real_ip_from ${allowedUpstream}; ${concatStringsSep "\n" (map (up: "set_real_ip_from ${up};") allowedUpstreams)}
real_ip_header proxy_protocol; real_ip_header proxy_protocol;
''; '';
}; };
@ -29,7 +30,7 @@ in
# Move to nftables if firewall is enabled. # Move to nftables if firewall is enabled.
networking.nftables.enable = true; networking.nftables.enable = true;
networking.firewall.extraInputRules = '' networking.firewall.extraInputRules = ''
ip6 saddr ${allowedUpstream} tcp dport 444 accept ${concatStringsSep "\n" (map (up: "ip6 saddr ${up} tcp dport 444 accept") allowedUpstreams)}
''; '';
}; };
} }