···
+
{ config, lib, pkgs, ... }:
+
cfg = config.services.squid;
+
squidConfig = pkgs.writeText "squid.conf"
+
(if cfg.configText != null then cfg.configText else
+
# Recommended minimum configuration (3.5):
+
# Example rule allowing access from your local networks.
+
# Adapt to list your (internal) IP networks from where browsing
+
acl localnet src 10.0.0.0/8 # RFC 1918 possible internal network
+
acl localnet src 172.16.0.0/12 # RFC 1918 possible internal network
+
acl localnet src 192.168.0.0/16 # RFC 1918 possible internal network
+
acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly plugged) machines
+
acl localnet src fc00::/7 # RFC 4193 local private network range
+
acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines
+
acl SSL_ports port 443 # https
+
acl Safe_ports port 80 # http
+
acl Safe_ports port 21 # ftp
+
acl Safe_ports port 443 # https
+
acl Safe_ports port 70 # gopher
+
acl Safe_ports port 210 # wais
+
acl Safe_ports port 1025-65535 # unregistered ports
+
acl Safe_ports port 280 # http-mgmt
+
acl Safe_ports port 488 # gss-http
+
acl Safe_ports port 591 # filemaker
+
acl Safe_ports port 777 # multiling http
+
acl CONNECT method CONNECT
+
# Recommended minimum Access Permission configuration:
+
# Deny requests to certain unsafe ports
+
http_access deny !Safe_ports
+
# Deny CONNECT to other than secure SSL ports
+
http_access deny CONNECT !SSL_ports
+
# Only allow cachemgr access from localhost
+
http_access allow localhost manager
+
http_access deny manager
+
# We strongly recommend the following be uncommented to protect innocent
+
# web applications running on the proxy server who think the only
+
# one who can access services on "localhost" is a local user
+
http_access deny to_localhost
+
# Application logs to syslog, access and store logs have specific files
+
access_log stdio:/var/log/squid/access.log
+
cache_store_log stdio:/var/log/squid/store.log
+
# Required by systemd service
+
pid_filename /run/squid.pid
+
# Run as user and group squid
+
cache_effective_user squid squid
+
# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS
+
# Example rule allowing access from your local networks.
+
# Adapt localnet in the ACL section to list your (internal) IP networks
+
# from where browsing should be allowed
+
http_access allow localnet
+
http_access allow localhost
+
# And finally deny all other access to this proxy
+
# Squid normally listens to port 3128
+
http_port ${toString cfg.proxyPort}
+
# Leave coredumps in the first cache dir
+
coredump_dir /var/cache/squid
+
# Add any of your own refresh_pattern entries above these.
+
refresh_pattern ^ftp: 1440 20% 10080
+
refresh_pattern ^gopher: 1440 0% 1440
+
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
+
refresh_pattern . 0 20% 4320
+
description = "Whether to run squid web proxy.";
+
description = "TCP port on which squid will listen.";
+
extraConfig = mkOption {
+
Squid configuration. Contents will be added
+
verbatim to the configuration file.
+
configText = mkOption {
+
type = types.nullOr types.lines;
+
Verbatim contents of squid.conf. If null (default), use the
+
autogenerated file from NixOS instead.
+
config = mkIf cfg.enable {
+
home = "/var/cache/squid";
+
users.groups.squid = {};
+
systemd.services.squid = {
+
description = "Squid caching web proxy";
+
after = [ "network.target" "nss-lookup.target" ];
+
wantedBy = [ "multi-user.target"];
+
mkdir -p "/var/log/squid"
+
chown squid:squid "/var/log/squid"
+
PIDFile="/run/squid.pid";
+
PermissionsStartOnly = true;
+
ExecStart = "${pkgs.squid}/bin/squid -YCs -f ${squidConfig}";