cd: initial commit
This commit is contained in:
tv
parent
8f0c5e3513
commit
4442053d0e
102
cd.nix
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102
cd.nix
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@ -0,0 +1,102 @@
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{ config, pkgs, ... }:
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{
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imports =
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[
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<secrets/hashedPasswords.nix>
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./modules/base-cac-CentOS-7-64bit.nix
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./modules/exim-cd.nix
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#./modules/ejabberd-cd.nix # XXX echtes modul
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./modules/iptables-cd.nix
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./modules/networking-cd.nix
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./modules/retiolum.nix
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];
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# "Developer 2" plan has two vCPUs.
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nix.maxJobs = 2;
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environment.systemPackages = with pkgs; [
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htop
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iftop
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iotop
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nethogs
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rxvt_unicode.terminfo
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tcpdump
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];
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security.rtkit.enable = false;
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services.cron.enable = false;
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#services.ejabberd-cd = {
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# enable = true;
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# #virtualHosts = ''"jabber.viljetic.de", "viljetic.de"'';
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#};
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services.journald.extraConfig = ''
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SystemMaxUse=1G
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RuntimeMaxUse=128M
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'';
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services.ntp.enable = false;
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services.openssh = {
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enable = true;
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hostKeys = [
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# XXX bits here make no science
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{ bits = 8192; type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
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];
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permitRootLogin = "yes";
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};
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services.retiolum = {
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enable = true;
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hosts = ./hosts;
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privateKeyFile = "/etc/nixos/secrets/cd.retiolum.rsa_key.priv";
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connectTo = [
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"fastpoke"
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"pigstarter"
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"ire"
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];
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};
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sound.enable = false;
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# TODO base
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time.timeZone = "UTC";
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# TODO replace by ./modules/cd-users.nix
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users.extraGroups = {
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# ● systemd-tmpfiles-setup.service - Create Volatile Files and Directories
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# Loaded: loaded (/nix/store/2l33gg7nmncqkpysq9f5fxyhlw6ncm2j-systemd-217/example/systemd/system/systemd-tmpfiles-setup.service)
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# Active: failed (Result: exit-code) since Mon 2015-03-16 10:29:18 UTC; 4s ago
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# Docs: man:tmpfiles.d(5)
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# man:systemd-tmpfiles(8)
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# Process: 19272 ExecStart=/nix/store/2l33gg7nmncqkpysq9f5fxyhlw6ncm2j-systemd-217/bin/systemd-tmpfiles --create --remove --boot --exclude-prefix=/dev (code=exited, status=1/FAILURE)
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# Main PID: 19272 (code=exited, status=1/FAILURE)
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#
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# Mar 16 10:29:17 cd systemd-tmpfiles[19272]: [/usr/lib/tmpfiles.d/legacy.conf:26] Unknown group 'lock'.
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# Mar 16 10:29:18 cd systemd-tmpfiles[19272]: Two or more conflicting lines for /var/log/journal configured, ignoring.
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# Mar 16 10:29:18 cd systemd-tmpfiles[19272]: Two or more conflicting lines for /var/log/journal/7b35116927d74ea58785e00b47ac0f0d configured, ignoring.
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# Mar 16 10:29:18 cd systemd[1]: systemd-tmpfiles-setup.service: main process exited, code=exited, status=1/FAILURE
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# Mar 16 10:29:18 cd systemd[1]: Failed to start Create Volatile Files and Directories.
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# Mar 16 10:29:18 cd systemd[1]: Unit systemd-tmpfiles-setup.service entered failed state.
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# Mar 16 10:29:18 cd systemd[1]: systemd-tmpfiles-setup.service failed.
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# warning: error(s) occured while switching to the new configuration
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lock.gid = 10001;
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};
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users.extraUsers =
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{
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root = {
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openssh.authorizedKeys.keys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEieAihh+o208aeCA14fAtjzyZN/nrpOJt2vZ5VYZp69 deploy@wu"
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"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDDYv5OkVrnerkzJwgi7ol7HzcWJf4oWCJTX84trFX5vgJXu1zMvSe+koY8xpnMOd7WHF2wgsjjrFlMuixTrfMPc/OjvG2N1TlnvzlFD8ivTW/AJzDwNxT//niqAYAZ9kmb8e/zE/SyNHSKZcyEKGiiW2+YW9wWHPYRP/XiNEjLP3BeTGScMwWr001V/8m7ne4SGHrE1FbHbHqaBXgqUFgnvzMY3CsfDafODZlj5xSMNGHyLGNNKvu3YR1crcAjbQrBXBdwaArThFxp+e2uWrnffshlks6WtRyR1AFVjc/gxEG74Axq1AHY6EJm2Fw/JdFNiYQ7yyQZHS9bZJYjgnWF tv@nomic"
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];
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};
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};
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users.mutableUsers = false;
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}
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27
modules/base-cac-CentOS-7-64bit.nix
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27
modules/base-cac-CentOS-7-64bit.nix
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@ -0,0 +1,27 @@
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{ config, pkgs, ... }:
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{
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boot.loader.grub.device = "/dev/sda";
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boot.loader.grub.enable = true;
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boot.loader.grub.version = 2;
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boot.initrd.availableKernelModules = [
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"ata_piix"
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"vmw_pvscsi"
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];
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fileSystems."/" = {
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device = "/dev/centos/root";
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fsType = "xfs";
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};
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fileSystems."/boot" = {
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device = "/dev/sda1";
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fsType = "xfs";
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};
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swapDevices = [
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{ device = "/dev/centos/swap"; }
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];
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}
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473
modules/exim-cd.nix
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473
modules/exim-cd.nix
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@ -0,0 +1,473 @@
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{ config, pkgs, ... }:
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let
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inherit (builtins) toFile;
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inherit (pkgs.lib.attrsets) mapAttrs;
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inherit (pkgs.lib.strings) concatMapStringsSep;
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in
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{
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services.exim =
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let
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retiolumHostname = "${config.networking.hostName}.retiolum";
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internet-aliases = [
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{ from = "tomislav@viljetic.de"; to = "tv@wu.retiolum"; }
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# (mindestens) lisp-stammtisch und elli haben die:
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{ from = "tv@viljetic.de"; to = "tv@wu.retiolum"; }
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{ from = "tv@destroy.dyn.shackspace.de"; to = "tv@wu.retiolum"; }
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{ from = "mirko@viljetic.de"; to = "mv@cd.retiolum"; }
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# TODO killme (wo wird die benutzt?)
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{ from = "tv@cd.retiolum"; to = "tv@wu.retiolum"; }
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{ from = "postmaster@krebsco.de"; to = "tv@wu.retiolum"; }
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];
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system-aliases = [
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{ from = "mailer-daemon"; to = "postmaster"; }
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{ from = "postmaster"; to = "root"; }
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{ from = "nobody"; to = "root"; }
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{ from = "hostmaster"; to = "root"; }
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{ from = "usenet"; to = "root"; }
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{ from = "news"; to = "root"; }
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{ from = "webmaster"; to = "root"; }
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{ from = "www"; to = "root"; }
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{ from = "ftp"; to = "root"; }
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{ from = "abuse"; to = "root"; }
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{ from = "noc"; to = "root"; }
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{ from = "security"; to = "root"; }
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{ from = "root"; to = "tv"; }
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];
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to-lsearch = concatMapStringsSep "\n" ({ from, to }: "${from}: ${to}");
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lsearch =
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mapAttrs (name: set: toFile name (to-lsearch set)) {
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inherit internet-aliases;
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inherit system-aliases;
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};
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in
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{
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enable = true;
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config =
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''
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primary_hostname = ${retiolumHostname}
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# HOST_REDIR contains the real destinations for "local_domains".
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#HOST_REDIR = /etc/exim4/host_redirect
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# Domains not listed in local_domains need to be deliverable remotely.
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# XXX We abuse local_domains to mean "domains, we're the gateway for".
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domainlist local_domains = @ : localhost
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#: viljetic.de : SHACK_REDIR_HOSTNAME
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domainlist relay_to_domains =
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hostlist relay_from_hosts = <; 127.0.0.1 ; ::1 ; 10.243.13.37
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acl_smtp_rcpt = acl_check_rcpt
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acl_smtp_data = acl_check_data
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# av_scanner = clamd:/tmp/clamd
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# spamd_address = 127.0.0.1 783
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# tls_advertise_hosts = *
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# tls_certificate = /etc/ssl/exim.crt
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# tls_privatekey = /etc/ssl/exim.pem
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# (debian) tls_verify_certificates (to check client certs)
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# daemon_smtp_ports = 25 : 465 : 587
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# tls_on_connect_ports = 465
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# qualify_domain defaults to primary_hostname
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# qualify_recipient defaults to qualify_domain
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# allow_domain_literals
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never_users = root
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host_lookup = *
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# ident callbacks for all incoming SMTP calls
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rfc1413_hosts = *
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rfc1413_query_timeout = 5s
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# sender_unqualified_hosts =
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# recipient_unqualified_hosts =
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# percent_hack_domains =
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# arch & debian
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#ignore_bounce_errors_after = 2d
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#timeout_frozen_after = 7d
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# debian
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#smtp_banner = $smtp_active_hostname ESMTP Exim $version_number $tod_full
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#freeze_tell = postmaster
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#trusted_users = uucp
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# arch
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#split_spool_directory = true
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log_selector = -queue_run +address_rewrite +all_parents +queue_time
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log_file_path = syslog
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syslog_timestamp = false
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syslog_duplication = false
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begin acl
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acl_check_rcpt:
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# Accept if the source is local SMTP (i.e. not over TCP/IP).
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# We do this by testing for an empty sending host field.
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accept hosts = :
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# arch & debian:
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control = dkim_disable_verify
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deny message = Restricted characters in address
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domains = +local_domains
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local_parts = ^[.] : ^.*[@%!/|]
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deny message = Restricted characters in address
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domains = !+local_domains
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local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
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accept local_parts = postmaster
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domains = +local_domains
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## feature RETIOLUM_MAIL
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#accept
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# hosts = *.retiolum
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# domains = *.retiolum
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# control = dkim_disable_verify
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#require verify = sender
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accept hosts = +relay_from_hosts
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control = submission
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# debian: control = submission/sender_retain
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# arch & debian:
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control = dkim_disable_verify
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accept authenticated = *
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control = submission
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control = dkim_disable_verify
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accept message = relay not permitted 2
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recipients = lsearch;${lsearch.internet-aliases}
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require message = relay not permitted
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domains = +local_domains : +relay_to_domains
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require
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message = unknown user
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verify = recipient/callout
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# deny message = rejected because $sender_host_address is in a black list at $dnslist_domain\n$dnslist_text
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# dnslists = black.list.example
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#
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# warn dnslists = black.list.example
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# add_header = X-Warning: $sender_host_address is in a black list at $dnslist_domain
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# log_message = found in $dnslist_domain
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# Client SMTP Authorization (csa) checks on the sending host.
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# Such checks do DNS lookups for special SRV records.
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# require verify = csa
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accept
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acl_check_data:
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# see av_scanner
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#deny malware = *
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# message = This message contains a virus ($malware_name).
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# Add headers to a message if it is judged to be spam. Before enabling this,
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# you must install SpamAssassin. You may also need to set the spamd_address
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# option above.
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#
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# warn spam = nobody
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# add_header = X-Spam_score: $spam_score\n\
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# X-Spam_score_int: $spam_score_int\n\
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# X-Spam_bar: $spam_bar\n\
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# X-Spam_report: $spam_report
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# feature HELO_REWRITE
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# XXX note that the public ip (162.219.5.183) resolves to viljetic.de
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warn
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sender_domains = viljetic.de : shackspace.de
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set acl_m_special_dom = $sender_address_domain
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accept
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begin routers
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# feature RETIOLUM_MAIL
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retiolum:
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debug_print = "R: retiolum for $local_part@$domain"
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driver = manualroute
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domains = ! ${retiolumHostname} : *.retiolum
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transport = retiolum_smtp
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route_list = ^.* $0 byname
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no_more
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internet_aliases:
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debug_print = "R: internet_aliases for $local_part@$domain"
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driver = redirect
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data = ''${lookup{$local_part@$domain}lsearch{${lsearch.internet-aliases}}}
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dnslookup:
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debug_print = "R: dnslookup for $local_part@$domain"
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driver = dnslookup
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domains = ! +local_domains
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transport = remote_smtp
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ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
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# if ipv6-enabled then instead use:
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# ignore_target_hosts = <; 0.0.0.0 ; 127.0.0.0/8 ; ::1
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# (debian) same_domain_copy_routing = yes
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# (debian) ignore private rfc1918 and APIPA addresses
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# (debian) ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8 : 192.168.0.0/16 :\
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# 172.16.0.0/12 : 10.0.0.0/8 : 169.254.0.0/16 :\
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# 255.255.255.255
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# Fail and bounce if the router does not find the domain in the DNS.
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# I.e. no more routers are tried.
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# There are a few cases where a dnslookup router will decline to accept an
|
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# address; if such a router is expected to handle "all remaining non-local
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# domains", then it is important to set no_more.
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no_more
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# XXX this is only used because these "well known aliases" goto tv@cd.retiolum
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# TODO bounce everything, there is no @cd.retiolum
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system_aliases:
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debug_print = "R: system_aliases for $local_part@$domain"
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driver = redirect
|
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data = ''${lookup{$local_part}lsearch{${lsearch.system-aliases}}}
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|
||||
# TODO this is only b/c mv here... send mv's mails somewhere else...
|
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local_user:
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debug_print = "R: local_user for $local_part@$domain"
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driver = accept
|
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check_local_user
|
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# local_part_suffix = +* : -*
|
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# local_part_suffix_optional
|
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transport = home_maildir
|
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cannot_route_message = Unknown user
|
||||
|
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begin transports
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retiolum_smtp:
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driver = smtp
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retry_include_ip_address = false
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# serialize_hosts = TODO-all-slow-hosts
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remote_smtp:
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driver = smtp
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# debian has also stuff for tls, headers_rewrite and more here
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|
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# feature HELO_REWRITE
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# XXX note that the public ip (162.219.5.183) resolves to viljetic.de
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helo_data = ''${if eq{$acl_m_special_dom}{} \
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{$primary_hostname} \
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{$acl_m_special_dom} }
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||||
|
||||
home_maildir:
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driver = appendfile
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maildir_format
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maildir_use_size_file
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directory = $home/Maildir
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directory_mode = 0700
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delivery_date_add
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envelope_to_add
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return_path_add
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|
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begin retry
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||||
*.retiolum * F,42d,1m
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* * F,2h,15m; G,16h,1h,1.5; F,4d,6h
|
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|
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begin rewrite
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||||
begin authenticators
|
||||
'';
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||||
|
||||
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# group = mail
|
||||
# mode = 0660
|
||||
|
||||
|
||||
#address_pipe:
|
||||
# driver = pipe
|
||||
# return_output
|
||||
#
|
||||
#address_file:
|
||||
# driver = appendfile
|
||||
# delivery_date_add
|
||||
# envelope_to_add
|
||||
# return_path_add
|
||||
#
|
||||
#address_reply:
|
||||
# driver = autoreply
|
||||
|
||||
|
||||
#maildrop_pipe:
|
||||
# debug_print = "T: maildrop_pipe for $local_part@$domain"
|
||||
# driver = pipe
|
||||
# path = "/bin:/usr/bin:/usr/local/bin"
|
||||
# command = "/usr/bin/maildrop"
|
||||
# return_path_add
|
||||
# delivery_date_add
|
||||
# envelope_to_add
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
##begin retry
|
||||
# Address or Domain Error Retries
|
||||
|
||||
# Our host_redirect destinations might be offline a lot.
|
||||
# TODO define fallback destinations(?)
|
||||
#lsearch;${lsearch.internet-aliases} * F,42d,1m
|
||||
|
||||
|
||||
## begin rewrite
|
||||
|
||||
# just in case (shackspace.de should already do this)
|
||||
#tv@shackspace.de tv@SHACK_REDIR_HOSTNAME T
|
||||
|
||||
|
||||
## begin authenticators
|
||||
#PLAIN:
|
||||
# driver = plaintext
|
||||
# server_set_id = $auth2
|
||||
# server_prompts = :
|
||||
# server_condition = Authentication is not yet configured
|
||||
# server_advertise_condition = ''${if def:tls_in_cipher }
|
||||
|
||||
#LOGIN:
|
||||
# driver = plaintext
|
||||
# server_set_id = $auth1
|
||||
# server_prompts = <| Username: | Password:
|
||||
# server_condition = Authentication is not yet configured
|
||||
# server_advertise_condition = ''${if def:tls_in_cipher }
|
||||
|
||||
|
||||
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
# config = ''
|
||||
# primary_hostname = ${retiolumHostname}
|
||||
# domainlist local_domains = @ : localhost
|
||||
# domainlist relay_to_domains = *.retiolum
|
||||
# hostlist relay_from_hosts = <; 127.0.0.1 ; ::1
|
||||
#
|
||||
# acl_smtp_rcpt = acl_check_rcpt
|
||||
# acl_smtp_data = acl_check_data
|
||||
#
|
||||
# host_lookup = *
|
||||
# rfc1413_hosts = *
|
||||
# rfc1413_query_timeout = 5s
|
||||
#
|
||||
# log_file_path = syslog
|
||||
# syslog_timestamp = false
|
||||
# syslog_duplication = false
|
||||
#
|
||||
# begin acl
|
||||
#
|
||||
# acl_check_rcpt:
|
||||
# accept hosts = :
|
||||
# control = dkim_disable_verify
|
||||
#
|
||||
# deny message = Restricted characters in address
|
||||
# domains = +local_domains
|
||||
# local_parts = ^[.] : ^.*[@%!/|]
|
||||
#
|
||||
# deny message = Restricted characters in address
|
||||
# domains = !+local_domains
|
||||
# local_parts = ^[./|] : ^.*[@%!] : ^.*/\\.\\./
|
||||
#
|
||||
# accept local_parts = postmaster
|
||||
# domains = +local_domains
|
||||
#
|
||||
# #accept
|
||||
# # hosts = *.retiolum
|
||||
# # domains = *.retiolum
|
||||
# # control = dkim_disable_verify
|
||||
#
|
||||
# #require verify = sender
|
||||
#
|
||||
# accept hosts = +relay_from_hosts
|
||||
# control = submission
|
||||
# control = dkim_disable_verify
|
||||
#
|
||||
# accept authenticated = *
|
||||
# control = submission
|
||||
# control = dkim_disable_verify
|
||||
#
|
||||
# require message = relay not permitted
|
||||
# domains = +local_domains : +relay_to_domains
|
||||
#
|
||||
# require verify = recipient
|
||||
#
|
||||
# accept
|
||||
#
|
||||
#
|
||||
# acl_check_data:
|
||||
# accept
|
||||
#
|
||||
#
|
||||
# begin routers
|
||||
#
|
||||
# retiolum:
|
||||
# driver = manualroute
|
||||
# domains = ! ${retiolumHostname} : *.retiolum
|
||||
# transport = remote_smtp
|
||||
# route_list = ^.* $0 byname
|
||||
# no_more
|
||||
#
|
||||
# nonlocal:
|
||||
# debug_print = "R: nonlocal for $local_part@$domain"
|
||||
# driver = redirect
|
||||
# domains = ! +local_domains
|
||||
# allow_fail
|
||||
# data = :fail: Mailing to remote domains not supported
|
||||
# no_more
|
||||
#
|
||||
# local_user:
|
||||
# # debug_print = "R: local_user for $local_part@$domain"
|
||||
# driver = accept
|
||||
# check_local_user
|
||||
# # local_part_suffix = +* : -*
|
||||
# # local_part_suffix_optional
|
||||
# transport = home_maildir
|
||||
# cannot_route_message = Unknown user
|
||||
#
|
||||
#
|
||||
# begin transports
|
||||
#
|
||||
# remote_smtp:
|
||||
# driver = smtp
|
||||
#
|
||||
# home_maildir:
|
||||
# driver = appendfile
|
||||
# maildir_format
|
||||
# directory = $home/Maildir
|
||||
# directory_mode = 0700
|
||||
# delivery_date_add
|
||||
# envelope_to_add
|
||||
# return_path_add
|
||||
# # group = mail
|
||||
# # mode = 0660
|
||||
#
|
||||
# begin retry
|
||||
# *.retiolum * F,42d,1m
|
||||
# * * F,2h,15m; G,16h,1h,1.5; F,4d,6h
|
||||
#
|
||||
# begin rewrite
|
||||
#
|
||||
# begin authenticators
|
||||
# '';
|
||||
# };
|
||||
#}
|
||||
75
modules/iptables-cd.nix
Normal file
75
modules/iptables-cd.nix
Normal file
|
|
@ -0,0 +1,75 @@
|
|||
{ config, pkgs, ... }:
|
||||
|
||||
{
|
||||
#
|
||||
# iptables
|
||||
#
|
||||
networking.firewall.enable = false;
|
||||
system.activationScripts.iptables =
|
||||
let
|
||||
log = false;
|
||||
when = c: f: if c then f else "";
|
||||
in
|
||||
''
|
||||
ip4tables() { ${pkgs.iptables}/sbin/iptables "$@"; }
|
||||
ip6tables() { ${pkgs.iptables}/sbin/ip6tables "$@"; }
|
||||
ipXtables() { ip4tables "$@" && ip6tables "$@"; }
|
||||
|
||||
# XXX This fails with the original CAC CentOS 7 kernel.
|
||||
if ipXtables -vL >/dev/null; then
|
||||
|
||||
#
|
||||
# nat
|
||||
#
|
||||
|
||||
# reset tables
|
||||
ipXtables -t nat -F
|
||||
ipXtables -t nat -X
|
||||
|
||||
#
|
||||
ipXtables -t nat -A PREROUTING -j REDIRECT ! -i retiolum -p tcp --dport ssh --to-ports 0
|
||||
ipXtables -t nat -A PREROUTING -j REDIRECT -p tcp --dport 11423 --to-ports ssh
|
||||
|
||||
#
|
||||
# filter
|
||||
#
|
||||
|
||||
# reset tables
|
||||
ipXtables -P INPUT DROP
|
||||
ipXtables -P FORWARD DROP
|
||||
ipXtables -F
|
||||
ipXtables -X
|
||||
|
||||
# create custom chains
|
||||
ipXtables -N Retiolum
|
||||
|
||||
# INPUT
|
||||
ipXtables -A INPUT -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED
|
||||
ipXtables -A INPUT -j ACCEPT -i lo
|
||||
ipXtables -A INPUT -j ACCEPT -p tcp --dport ssh -m conntrack --ctstate NEW
|
||||
#ipXtables -A INPUT -j ACCEPT -p tcp --dport http -m conntrack --ctstate NEW
|
||||
ipXtables -A INPUT -j ACCEPT -p tcp --dport tinc -m conntrack --ctstate NEW
|
||||
ipXtables -A INPUT -j ACCEPT -p tcp --dport smtp -m conntrack --ctstate NEW
|
||||
#ipXtables -A INPUT -j ACCEPT -p tcp --dport xmpp-client -m conntrack --ctstate NEW
|
||||
#ipXtables -A INPUT -j ACCEPT -p tcp --dport xmpp-server -m conntrack --ctstate NEW
|
||||
|
||||
ipXtables -A INPUT -j Retiolum -i retiolum
|
||||
${when log "ipXtables -A INPUT -j LOG --log-level info --log-prefix 'INPUT DROP '"}
|
||||
|
||||
# FORWARD
|
||||
${when log "ipXtables -A FORWARD -j LOG --log-level info --log-prefix 'FORWARD DROP '"}
|
||||
|
||||
# Retiolum
|
||||
ip4tables -A Retiolum -j ACCEPT -p icmp --icmp-type echo-request
|
||||
ip6tables -A Retiolum -j ACCEPT -p ipv6-icmp -m icmp6 --icmpv6-type echo-request
|
||||
|
||||
|
||||
${when log "ipXtables -A Retiolum -j LOG --log-level info --log-prefix 'REJECT '"}
|
||||
ipXtables -A Retiolum -j REJECT -p tcp --reject-with tcp-reset
|
||||
ip4tables -A Retiolum -j REJECT -p udp --reject-with icmp-port-unreachable
|
||||
ip4tables -A Retiolum -j REJECT --reject-with icmp-proto-unreachable
|
||||
ip6tables -A Retiolum -j REJECT -p udp --reject-with icmp6-port-unreachable
|
||||
ip6tables -A Retiolum -j REJECT
|
||||
fi
|
||||
'';
|
||||
}
|
||||
14
modules/networking-cd.nix
Normal file
14
modules/networking-cd.nix
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
{...}:
|
||||
{
|
||||
networking.hostName = "cd";
|
||||
networking.interfaces.enp2s1.ip4 = [
|
||||
{
|
||||
address = "162.219.7.216";
|
||||
prefixLength = 24;
|
||||
}
|
||||
];
|
||||
networking.defaultGateway = "162.219.7.1";
|
||||
networking.nameservers = [
|
||||
"8.8.8.8"
|
||||
];
|
||||
}
|
||||
Loading…
Reference in a new issue