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wvr
2026-02-13 22:34:54 -06:00
parent c23940fc6f
commit e306c81c12
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9
seedbox/old/disable_iptables.sh Executable file
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#!/bin/sh
iptables -F
iptables -X
iptables -P INPUT ACCEPT
iptables -P OUTPUT ACCEPT
iptables -P FORWARD ACCEPT
exit 0

67
seedbox/old/iptables-seedbox.sh Executable file
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#!/bin/sh -ex
#
# this is a "kill switch" for wireguard
# block all traffic outside of the tunnel
# --------------------------------------------------------------------
# flush
iptables -F
# refuse all default
iptables -P OUTPUT DROP
iptables -P INPUT DROP
iptables -P FORWARD DROP
# -/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/
# permit samba / NFS to truenas (192.168.100.143)
iptables -A INPUT -s 192.168.100.143/24 -j ACCEPT -p udp -m udp --dport 137
iptables -A INPUT -s 192.168.100.143/24 -j ACCEPT -p udp -m udp --dport 138
iptables -A INPUT -s 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 139
iptables -A INPUT -s 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 445
iptables -A INPUT -s 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 111
iptables -A INPUT -s 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 2049
iptables -A OUTPUT -d 192.168.100.143/24 -j ACCEPT -p udp -m udp --dport 137 -m state --state NEW,ESTABLISHED,RELATED
iptables -A OUTPUT -d 192.168.100.143/24 -j ACCEPT -p udp -m udp --dport 138 -m state --state NEW,ESTABLISHED,RELATED
iptables -A OUTPUT -d 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 139 -m state --state NEW,ESTABLISHED,RELATED
iptables -A OUTPUT -d 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 445 -m state --state NEW,ESTABLISHED,RELATED
iptables -A OUTPUT -d 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 111 -m state --state NEW,ESTABLISHED,RELATED
iptables -A OUTPUT -d 192.168.100.143/24 -j ACCEPT -p tcp -m tcp --dport 2049 -m state --state NEW,ESTABLISHED,RELATED
# permit qbittorrent-nox access on LAN subnet
iptables -A INPUT -j ACCEPT -s 192.168.100.0/24 -p tcp --dport 8080 -m state --state NEW
iptables -A OUTPUT -j ACCEPT -d 192.168.100.0/24 -p tcp --sport 8080 -m state --state ESTABLISHED
# permit ssh on LAN subnet
iptables -A INPUT -s 192.168.100.0/24 -j ACCEPT -p tcp --dport ssh -m state --state NEW
iptables -A INPUT -s 192.168.100.0/24 -j ACCEPT -p tcp --sport ssh -m state --state NEW
iptables -A OUTPUT -d 192.168.100.0/24 -j ACCEPT -p tcp --sport ssh -m state --state ESTABLISHED
iptables -A OUTPUT -d 192.168.100.0/24 -j ACCEPT -p tcp --dport ssh -m state --state ESTABLISHED
# allow dns to pihole
PIHOLE_IP=192.168.100.200
iptables -A OUTPUT -j ACCEPT -d $PIHOLE_IP/24 -p tcp --dport 53 -m state --state NEW
iptables -A OUTPUT -j ACCEPT -d $PIHOLE_IP/24 -p udp --dport 53 -m state --state NEW
# -/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/-/
# permit outgoing wireguard traffic on 51820 to the mullvad server
WIREGUARD_SERVER=38.240.225.36
iptables -A OUTPUT -d $WIREGUARD_SERVER/32 -p udp --dport 51820 -j ACCEPT
iptables -A OUTPUT -d $WIREGUARD_SERVER/32 -p udp --dport 51820 -j ACCEPT
# permit any local traffic
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
# ========== dont think we need tun on wireguard ===================
#iptables -A INPUT -i tun+ -j ACCEPT
#iptables -A OUTPUT -o tun+ -j ACCEPT
# ========== dont think we need tun on wireguard ===================
# permit replies to traffic sent out
iptables -A INPUT -j ACCEPT -m state --state ESTABLISHED,RELATED
iptables -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
# save
/etc/init.d/iptables save