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-rw-r--r--modules/iptables.nix69
1 files changed, 0 insertions, 69 deletions
diff --git a/modules/iptables.nix b/modules/iptables.nix
deleted file mode 100644
index ee4034321..000000000
--- a/modules/iptables.nix
+++ /dev/null
@@ -1,69 +0,0 @@
-{ 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 "$@"; ip6tables "$@"; }
-
- #
- # 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 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
-
- '';
-}