From 716a2fc6e842ff051df6de1999b5b97780f2d2cd Mon Sep 17 00:00:00 2001 From: tv Date: Thu, 30 Jun 2016 00:52:35 +0200 Subject: tv iptables: add input-*-accept-udp --- tv/1systems/cd.nix | 8 ++++---- tv/1systems/mkdir.nix | 4 ++-- tv/1systems/rmdir.nix | 4 ++-- tv/2configs/default.nix | 2 +- tv/2configs/exim-retiolum.nix | 2 +- tv/2configs/exim-smarthost.nix | 2 +- tv/2configs/nginx/default.nix | 2 +- tv/2configs/nginx/public_html.nix | 2 +- tv/2configs/retiolum.nix | 2 +- tv/3modules/iptables.nix | 24 ++++++++++++++++++------ 10 files changed, 32 insertions(+), 20 deletions(-) diff --git a/tv/1systems/cd.nix b/tv/1systems/cd.nix index 32d956b8a..a46edb4d9 100644 --- a/tv/1systems/cd.nix +++ b/tv/1systems/cd.nix @@ -18,7 +18,7 @@ with config.krebs.lib; enable = true; ssl_cert = ../Zcerts/charybdis_cd.crt.pem; }; - tv.iptables.input-retiolum-accept-new-tcp = [ + tv.iptables.input-retiolum-accept-tcp = [ config.tv.charybdis.port config.tv.charybdis.sslport ]; @@ -28,14 +28,14 @@ with config.krebs.lib; enable = true; hosts = [ "jabber.viljetic.de" ]; }; - tv.iptables.input-internet-accept-new-tcp = [ + tv.iptables.input-internet-accept-tcp = [ "xmpp-client" "xmpp-server" ]; } { krebs.github-hosts-sync.enable = true; - tv.iptables.input-internet-accept-new-tcp = + tv.iptables.input-internet-accept-tcp = singleton config.krebs.github-hosts-sync.port; } { @@ -57,7 +57,7 @@ with config.krebs.lib; root ${pkgs.viljetic-pages}; ''); }; - tv.iptables.input-internet-accept-new-tcp = singleton "http"; + tv.iptables.input-internet-accept-tcp = singleton "http"; } ]; diff --git a/tv/1systems/mkdir.nix b/tv/1systems/mkdir.nix index f46ed9547..dcec1e200 100644 --- a/tv/1systems/mkdir.nix +++ b/tv/1systems/mkdir.nix @@ -22,12 +22,12 @@ in { tv.iptables = { enable = true; - input-internet-accept-new-tcp = [ + input-internet-accept-tcp = [ "ssh" "tinc" "smtp" ]; - input-retiolum-accept-new-tcp = [ + input-retiolum-accept-tcp = [ "http" ]; }; diff --git a/tv/1systems/rmdir.nix b/tv/1systems/rmdir.nix index 25fae2c36..34f926020 100644 --- a/tv/1systems/rmdir.nix +++ b/tv/1systems/rmdir.nix @@ -22,12 +22,12 @@ in { tv.iptables = { enable = true; - input-internet-accept-new-tcp = [ + input-internet-accept-tcp = [ "ssh" "tinc" "smtp" ]; - input-retiolum-accept-new-tcp = [ + input-retiolum-accept-tcp = [ "http" ]; }; diff --git a/tv/2configs/default.nix b/tv/2configs/default.nix index 741955eee..2eab8d1db 100644 --- a/tv/2configs/default.nix +++ b/tv/2configs/default.nix @@ -174,7 +174,7 @@ with config.krebs.lib; { type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; } ]; }; - tv.iptables.input-internet-accept-new-tcp = singleton "ssh"; + tv.iptables.input-internet-accept-tcp = singleton "ssh"; } { diff --git a/tv/2configs/exim-retiolum.nix b/tv/2configs/exim-retiolum.nix index 9197a3c30..ad355f8b4 100644 --- a/tv/2configs/exim-retiolum.nix +++ b/tv/2configs/exim-retiolum.nix @@ -4,5 +4,5 @@ with config.krebs.lib; { krebs.exim-retiolum.enable = true; - tv.iptables.input-retiolum-accept-new-tcp = singleton "smtp"; + tv.iptables.input-retiolum-accept-tcp = singleton "smtp"; } diff --git a/tv/2configs/exim-smarthost.nix b/tv/2configs/exim-smarthost.nix index 3616a8f52..351b54da1 100644 --- a/tv/2configs/exim-smarthost.nix +++ b/tv/2configs/exim-smarthost.nix @@ -43,5 +43,5 @@ with config.krebs.lib; { from = "mirko"; to = "mv"; } ]; }; - tv.iptables.input-internet-accept-new-tcp = singleton "smtp"; + tv.iptables.input-internet-accept-tcp = singleton "smtp"; } diff --git a/tv/2configs/nginx/default.nix b/tv/2configs/nginx/default.nix index 1fac65a31..d0d07d5ca 100644 --- a/tv/2configs/nginx/default.nix +++ b/tv/2configs/nginx/default.nix @@ -12,6 +12,6 @@ with config.krebs.lib; ]; }; tv.iptables = optionalAttrs config.krebs.nginx.enable { - input-retiolum-accept-new-tcp = singleton "http"; + input-retiolum-accept-tcp = singleton "http"; }; } diff --git a/tv/2configs/nginx/public_html.nix b/tv/2configs/nginx/public_html.nix index 15a3b5482..858f16563 100644 --- a/tv/2configs/nginx/public_html.nix +++ b/tv/2configs/nginx/public_html.nix @@ -11,5 +11,5 @@ with config.krebs.lib; '') ]; }; - tv.iptables.input-internet-accept-new-tcp = singleton "http"; + tv.iptables.input-internet-accept-tcp = singleton "http"; } diff --git a/tv/2configs/retiolum.nix b/tv/2configs/retiolum.nix index e1598d792..ec3508d90 100644 --- a/tv/2configs/retiolum.nix +++ b/tv/2configs/retiolum.nix @@ -13,5 +13,5 @@ with config.krebs.lib; "ire" ]; }; - tv.iptables.input-internet-accept-new-tcp = singleton "tinc"; + tv.iptables.input-internet-accept-tcp = singleton "tinc"; } diff --git a/tv/3modules/iptables.nix b/tv/3modules/iptables.nix index c0e71f24d..4b1d1ef87 100644 --- a/tv/3modules/iptables.nix +++ b/tv/3modules/iptables.nix @@ -17,12 +17,22 @@ let default = "retiolum"; }; - input-internet-accept-new-tcp = mkOption { + input-internet-accept-tcp = mkOption { type = with types; listOf (either int str); default = []; }; - input-retiolum-accept-new-tcp = mkOption { + input-internet-accept-udp = mkOption { + type = with types; listOf (either int str); + default = []; + }; + + input-retiolum-accept-tcp = mkOption { + type = with types; listOf (either int str); + default = []; + }; + + input-retiolum-accept-udp = mkOption { type = with types; listOf (either int str); default = []; }; @@ -83,8 +93,8 @@ let ip4tables = "-p icmp -m icmp --icmp-type echo-request -j ACCEPT"; ip6tables = "-p ipv6-icmp -m icmp6 --icmpv6-type echo-request -j ACCEPT"; }."ip${toString iptables-version}tables"; - accept-new-tcp = port: - "-p tcp -m tcp --dport ${port} -m conntrack --ctstate NEW -j ACCEPT"; + accept-tcp = port: "-p tcp -m tcp --dport ${port} -j ACCEPT"; + accept-udp = port: "-p udp -m udp --dport ${port} -j ACCEPT"; in pkgs.writeText "tv-iptables-rules${toString iptables-version}" '' *nat @@ -112,13 +122,15 @@ let "-i lo -j ACCEPT" ] ++ optional (cfg.accept-echo-request == "internet") accept-echo-request - ++ map accept-new-tcp (unique (map toString cfg.input-internet-accept-new-tcp)) + ++ map accept-tcp (unique (map toString cfg.input-internet-accept-tcp)) + ++ map accept-udp (unique (map toString cfg.input-internet-accept-udp)) ++ ["-i retiolum -j Retiolum"] )} ${formatTable cfg.extra.filter} ${concatMapStringsSep "\n" (rule: "-A Retiolum ${rule}") ([] ++ optional (cfg.accept-echo-request == "retiolum") accept-echo-request - ++ map accept-new-tcp (unique (map toString cfg.input-retiolum-accept-new-tcp)) + ++ map accept-tcp (unique (map toString cfg.input-retiolum-accept-tcp)) + ++ map accept-udp (unique (map toString cfg.input-retiolum-accept-udp)) ++ { ip4tables = [ "-p tcp -j REJECT --reject-with tcp-reset" -- cgit v1.2.3