Add MAC address filterimh for gamin devices

This commit is contained in:
Christoph 2023-02-11 15:15:10 +01:00
parent 63a8722a3e
commit 4ade386634
5 changed files with 517 additions and 377 deletions

View File

@ -1612,6 +1612,18 @@ allow_remote_mac_src_addresses=""
# =============
# - MAC Address Filtering Gaming Devices
# =============
# - MAC adresses here are only allowed connect to internet but NOT to loacl services and networks
# -
# - Blank separated list
# -
gameming_device_mac_addresses=""
# =============
# --- Basic behavior - overwrites settings from 'default_basic_behavior.conf'
# =============

View File

@ -1524,6 +1524,18 @@ allow_remote_mac_src_addresses=""
# =============
# - MAC Address Filtering Gaming Devices
# =============
# - MAC adresses here are only allowed connect to internet but NOT to loacl services and networks
# -
# - Blank separated list
# -
gameming_device_mac_addresses=""
# =============
# --- Basic behavior
# =============

View File

@ -1832,3 +1832,10 @@ for _mac in $allow_remote_mac_src_addresses ; do
allow_remote_mac_src_address_arr+=("$_mac")
done
# ---
# - MAC Address Filtering Gaming Devices
# ---
declare -a gameming_device_mac_address_arr=()
for _mac in $gameming_device_mac_addresses ; do
gameming_device_mac_address_arr+=("$_mac")
done

View File

@ -836,6 +836,214 @@ $ip6t -A OUTPUT -o lo -j ACCEPT
echo_done
# ---
# - Already established connections
# ---
echononl "\tAccept already established connections.."
$ip6t -A INPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
$ip6t -A OUTPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
if $kernel_forward_between_interfaces ; then
$ip6t -A FORWARD -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
fi
echo_done
# ---
# - Permit all traffic through VPN lines
# ---
echononl "\tPermit all traffic through VPN lines.."
for _vpn_if in ${vpn_if_arr[@]} ; do
$ip6t -A INPUT -i $_vpn_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_forward_between_interfaces ; then
for _local_dev in ${local_if_arr[@]} ; do
$ip6t -A FORWARD -i $_vpn_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
# ---
# - Permit all traffic through WireGuard lines
# ---
echononl "\tPermit all traffic through WireGuard lines.."
for _wg_if in ${wg_if_arr[@]} ; do
$ip6t -A INPUT -i $_wg_if -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_forward_between_interfaces ; then
for _local_dev in ${local_if_arr[@]} ; do
$ip6t -A FORWARD -i $_wg_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A FORWARD -i $_local_dev -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
echo ""
# ---
# - DHCP
# ---
echononl "\t\tLocal DHCP Client"
if [[ ${#dhcp_client_interfaces_arr[@]} -gt 0 ]] ; then
for _dev in ${dhcp_client_interfaces_arr[@]} ; do
$ip6t -A INPUT -i $_dev -p udp -m udp --dport 546 -j ACCEPT
$ip6t -A OUTPUT -o $_dev -p udp -m udp --dport 547 -j ACCEPT
done
echo_done
else
echo_skipped
fi
echononl "\t\tDHCP Service (local network only)"
if $local_dhcp_service ; then
for _dev in ${local_if_arr[@]} ; do
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type router-advertisement -j ACCEPT
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type router-solicitation -j ACCEPT
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type echo-request -j ACCEPT
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type echo-reply -j ACCEPT
$ip6t -A INPUT -p udp -i $_dev --sport 546 --dport 547 -j ACCEPT
$ip6t -A OUTPUT -p udp -o $_dev --sport 547 --dport 546 -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DHCP Failover
# ---
echononl "\t\tDHCP Failover Server"
if $local_dhcp_service && [[ ${#dhcp_failover_server_ip_arr[@]} -gt 0 ]] ; then
for _ip in ${dhcp_failover_server_ip_arr[@]} ; do
$ip6t -A INPUT -p tcp --dport $dhcp_failover_port -s $_ip -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -p tcp -d $_ip --dport $dhcp_failover_port -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS out only
# ---
echononl "\t\tDNS out only"
# - Nameservers on the INET must be reachable for the local recursiv nameserver
# - but also for all others
# -
for _dev in ${ext_if_arr[@]} ; do
# - out from local and virtual mashine(s)
$ip6t -A OUTPUT -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
# - Only useful (needed) if kernel forwarding is activated (kernel_forward_between_interfaces=true)
if $kernel_forward_between_interfaces && ! $permit_local_net_to_inet ; then
# - forward from virtual mashine(s)
$ip6t -A FORWARD -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A FORWARD -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
fi
done
echo_done
# ---
# - DNS Service Gateway
# ---
echononl "\t\tDNS Service Gateway"
# - Local Nameservice
# -
if $local_dns_service ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
# - Allow requests from local networks
# -
for _dev in ${local_if_arr[@]} ; do
# - in
$ip6t -A INPUT -i $_dev -p udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A INPUT -i $_dev -p tcp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
# - Zonetransfere (uses tcp/53)
#
for _ip in ${dns_server_ips[@]} ; do
# - out
# -
# - local master (here) gets request for a zone from slave ($_ip)
$ip6t -A INPUT -p tcp -s $_ip --sport $unprivports --dport 53 -m conntrack --ctstate NEW -j ACCEPT
# - in
# -
# - local slave (here) requests zone from master ($_ip)
$ip6t -A OUTPUT -p tcp --sport $unprivports -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS Services at local Network
# ---
echononl "\t\tDNS Service local Network"
# - Make nameservers at the local network area rechable for all
# -
if [[ ${#dns_server_ip_arr[@]} -gt 0 ]] ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
for _ip in ${dns_server_ip_arr[@]} ; do
$ip6t -A OUTPUT -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
if $kernel_forward_between_interfaces && ! $permit_between_local_networks ; then
for _dev in ${local_if_arr[@]} ; do
$ip6t -A FORWARD -i $_dev -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A FORWARD -i $_dev -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
else
echo_skipped
fi
echo ""
# ---
# - Allow all Traffic from source mac-address
# ---
@ -900,52 +1108,53 @@ else
fi
echo ""
# ---
# - Already established connections
# - Allow remote Traffic for Gaming devices
# ---
echononl "\tAccept already established connections.."
echononl "\tAllow remote Traffic OUT for Gaming devices"
$ip6t -A INPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
$ip6t -A OUTPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
if $kernel_forward_between_interfaces ; then
$ip6t -A FORWARD -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
if [[ ${#gameming_device_mac_address_arr[@]} -gt 0 ]] ; then
for _mac in ${gameming_device_mac_address_arr[@]} ; do
for _dev in ${ext_if_arr[@]} ; do
if $kernel_forward_between_interfaces ; then
if ! $permit_local_net_to_inet ; then
$ip6t -A FORWARD -o $_dev -m mac --mac-source $_mac -j ACCEPT
fi
fi
done
done
echo_done
else
echo_skipped
fi
echo_done
# ---
# - Permit all traffic through VPN lines
# - Deny Traffic to other local networks for Gaming devices
# ---
echononl "\tPermit all traffic through VPN lines.."
for _vpn_if in ${vpn_if_arr[@]} ; do
$ip6t -A INPUT -i $_vpn_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_forward_between_interfaces ; then
for _local_dev in ${local_if_arr[@]} ; do
$ip6t -A FORWARD -i $_vpn_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
echononl "\tDeny Traffic to other local networks for Gaming devices"
if [[ ${#gameming_device_mac_address_arr[@]} -gt 0 ]] ; then
for _mac in ${gameming_device_mac_address_arr[@]} ; do
for _dev in ${local_if_arr[@]} ; do
if $kernel_forward_between_interfaces ; then
$ip6t -A FORWARD -o $_dev -m mac --mac-source $_mac -j DROP
fi
done
fi
done
echo_done
done
echo_done
else
echo_skipped
fi
# ---
# - Permit all traffic through WireGuard lines
# ---
echononl "\tPermit all traffic through WireGuard lines.."
for _wg_if in ${wg_if_arr[@]} ; do
$ip6t -A INPUT -i $_wg_if -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_forward_between_interfaces ; then
for _local_dev in ${local_if_arr[@]} ; do
$ip6t -A FORWARD -i $_wg_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A FORWARD -i $_local_dev -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
echo ""
# ---
@ -1630,162 +1839,6 @@ fi
# ---
# ---
# - DHCP
# ---
echononl "\t\tLocal DHCP Client"
if [[ ${#dhcp_client_interfaces_arr[@]} -gt 0 ]] ; then
for _dev in ${dhcp_client_interfaces_arr[@]} ; do
$ip6t -A INPUT -i $_dev -p udp -m udp --dport 546 -j ACCEPT
$ip6t -A OUTPUT -o $_dev -p udp -m udp --dport 547 -j ACCEPT
done
echo_done
else
echo_skipped
fi
echononl "\t\tDHCP Service (local network only)"
if $local_dhcp_service ; then
for _dev in ${local_if_arr[@]} ; do
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type router-advertisement -j ACCEPT
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type router-solicitation -j ACCEPT
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type echo-request -j ACCEPT
$ip6t -A INPUT -i $_dev -p icmpv6 --icmpv6-type echo-reply -j ACCEPT
$ip6t -A INPUT -p udp -i $_dev --sport 546 --dport 547 -j ACCEPT
$ip6t -A OUTPUT -p udp -o $_dev --sport 547 --dport 546 -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DHCP Failover
# ---
echononl "\t\tDHCP Failover Server"
if $local_dhcp_service && [[ ${#dhcp_failover_server_ip_arr[@]} -gt 0 ]] ; then
for _ip in ${dhcp_failover_server_ip_arr[@]} ; do
$ip6t -A INPUT -p tcp --dport $dhcp_failover_port -s $_ip -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -p tcp -d $_ip --dport $dhcp_failover_port -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS out only
# ---
echononl "\t\tDNS out only"
# - Nameservers on the INET must be reachable for the local recursiv nameserver
# - but also for all others
# -
for _dev in ${ext_if_arr[@]} ; do
# - out from local and virtual mashine(s)
$ip6t -A OUTPUT -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
# - Only useful (needed) if kernel forwarding is activated (kernel_forward_between_interfaces=true)
if $kernel_forward_between_interfaces && ! $permit_local_net_to_inet ; then
# - forward from virtual mashine(s)
$ip6t -A FORWARD -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A FORWARD -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
fi
done
echo_done
# ---
# - DNS Service Gateway
# ---
echononl "\t\tDNS Service Gateway"
# - Local Nameservice
# -
if $local_dns_service ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
# - Allow requests from local networks
# -
for _dev in ${local_if_arr[@]} ; do
# - in
$ip6t -A INPUT -i $_dev -p udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A INPUT -i $_dev -p tcp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
# - Zonetransfere (uses tcp/53)
#
for _ip in ${dns_server_ips[@]} ; do
# - out
# -
# - local master (here) gets request for a zone from slave ($_ip)
$ip6t -A INPUT -p tcp -s $_ip --sport $unprivports --dport 53 -m conntrack --ctstate NEW -j ACCEPT
# - in
# -
# - local slave (here) requests zone from master ($_ip)
$ip6t -A OUTPUT -p tcp --sport $unprivports -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS Services at local Network
# ---
echononl "\t\tDNS Service local Network"
# - Make nameservers at the local network area rechable for all
# -
if [[ ${#dns_server_ip_arr[@]} -gt 0 ]] ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
for _ip in ${dns_server_ip_arr[@]} ; do
$ip6t -A OUTPUT -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A OUTPUT -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
if $kernel_forward_between_interfaces && ! $permit_between_local_networks ; then
for _dev in ${local_if_arr[@]} ; do
$ip6t -A FORWARD -i $_dev -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ip6t -A FORWARD -i $_dev -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
else
echo_skipped
fi
# ---
# - SSH out only

View File

@ -1471,6 +1471,216 @@ $ipt -A OUTPUT -o lo -j ACCEPT
echo_done
# ---
# - Already established connections
# ---
echononl "\tAccept already established connections.."
$ipt -A INPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
$ipt -A OUTPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
fi
echo_done
echo ""
# ---
# - Permit all traffic through VPN lines
# ---
echononl "\tPermit all traffic through VPN lines.."
for _vpn_if in ${vpn_if_arr[@]} ; do
$ipt -A INPUT -i $_vpn_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_activate_forwarding ; then
for _local_dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_vpn_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
# ---
# - Permit all traffic through WireGuard lines
# ---
echononl "\tPermit all traffic through WireGuard lines.."
for _wg_if in ${wg_if_arr[@]} ; do
$ipt -A INPUT -i $_wg_if -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_activate_forwarding ; then
for _local_dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_wg_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_local_dev -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
echo ""
# ---
# - DHCP
# ---
echononl "\tLocal DHCP Client"
if [[ ${#dhcp_client_interfaces_arr[@]} -gt 0 ]] ; then
for _dev in ${dhcp_client_interfaces_arr[@]} ; do
$ipt -A OUTPUT -o $_dev -p udp -m udp -d 255.255.255.255 --dport 67 -j ACCEPT
$ipt -A INPUT -i $_dev -p udp -m udp --dport 68 -j ACCEPT
done
echo_done
else
echo_skipped
fi
echononl "\tDHCP"
if $local_dhcp_service ; then
# - Allow requests from intern networks
for _dev in ${local_if_arr[@]} ; do
# - in
$ipt -A INPUT -p udp -i $_dev -s 0/0 --sport 68 -d 255.255.255.255 --dport 67 -j ACCEPT
# - out
$ipt -A OUTPUT -p udp -o $_dev --sport 67 -d 0/0 --dport 68 -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DHCP Failover
# ---
echononl "\tDHCP Failover Server"
if $local_dhcp_service && [[ ${#dhcp_failover_server_ip_arr[@]} -gt 0 ]] ; then
for _ip in ${dhcp_failover_server_ip_arr[@]} ; do
$ipt -A INPUT -p tcp --dport $dhcp_failover_port -s $_ip -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p tcp -d $_ip --dport $dhcp_failover_port -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS out only
# ---
echononl "\tDNS out only"
# - Nameservers on the INET must be reachable for the local recursiv nameserver
# - but also for all others
# -
for _dev in ${ext_if_arr[@]} ; do
# - out from local and virtual mashine(s)
$ipt -A OUTPUT -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
# - Only useful (needed) if kernel forwarding is activated (kernel_activate_forwarding=true)
if $kernel_activate_forwarding && ! $permit_local_net_to_inet ; then
# - forward from virtual mashine(s)
$ipt -A FORWARD -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
fi
done
echo_done
# ---
# - DNS Service Gateway
# ---
echononl "\tDNS Service Gateway"
# - Local Nameservice
# -
if $local_dns_service ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
# - Allow requests from local networks
# -
for _dev in ${local_if_arr[@]} ; do
# - in
$ipt -A INPUT -i $_dev -p udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ipt -A INPUT -i $_dev -p tcp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
# - Zonetransfere (uses tcp/53)
#
for _ip in ${dns_server_ips[@]} ; do
# - out
# -
# - local master (here) gets request for a zone from slave ($_ip)
$ipt -A INPUT -p tcp -s $_ip --sport $unprivports --dport 53 -m conntrack --ctstate NEW -j ACCEPT
# - in
# -
# - local slave (here) requests zone from master ($_ip)
$ipt -A OUTPUT -p tcp --sport $unprivports -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS Services at local Network
# ---
echononl "\tDNS Service local Network"
# - Make nameservers at the local network area rechable for all
# -
if [[ ${#dns_server_ip_arr[@]} -gt 0 ]] ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
for _ip in ${dns_server_ip_arr[@]} ; do
$ipt -A OUTPUT -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
if $kernel_activate_forwarding && ! $permit_between_local_networks ; then
for _dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_dev -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
else
echo_skipped
fi
echo ""
# ---
# - Allow all Traffic from source mac-address
# ---
@ -1520,7 +1730,6 @@ fi
echononl "\tAllow remote Traffic from MAC Source-Address"
if [[ ${#allow_remote_mac_src_address_arr[@]} -gt 0 ]] ; then
for _mac in ${allow_remote_mac_src_address_arr[@]} ; do
for _dev in ${ext_if_arr[@]} ; do
@ -1535,52 +1744,53 @@ else
fi
echo ""
# ---
# - Already established connections
# - Allow remote Traffic for Gaming devices
# ---
echononl "\tAccept already established connections.."
echononl "\tAllow remote Traffic OUT for Gaming devices"
$ipt -A INPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
$ipt -A OUTPUT -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -p ALL -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
if [[ ${#gameming_device_mac_address_arr[@]} -gt 0 ]] ; then
for _mac in ${gameming_device_mac_address_arr[@]} ; do
for _dev in ${ext_if_arr[@]} ; do
if $kernel_activate_forwarding ; then
if ! $permit_local_net_to_inet ; then
$ipt -A FORWARD -o $_dev -m mac --mac-source $_mac -j ACCEPT
fi
fi
done
done
echo_done
else
echo_skipped
fi
echo_done
# ---
# - Permit all traffic through VPN lines
# - Deny Traffic to other local networks for Gaming devices
# ---
echononl "\tPermit all traffic through VPN lines.."
for _vpn_if in ${vpn_if_arr[@]} ; do
$ipt -A INPUT -i $_vpn_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_activate_forwarding ; then
for _local_dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_vpn_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
echononl "\tDeny Traffic to other local networks for Gaming devices"
if [[ ${#gameming_device_mac_address_arr[@]} -gt 0 ]] ; then
for _mac in ${gameming_device_mac_address_arr[@]} ; do
for _dev in ${local_if_arr[@]} ; do
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -o $_dev -m mac --mac-source $_mac -j DROP
fi
done
fi
done
echo_done
done
echo_done
else
echo_skipped
fi
# ---
# - Permit all traffic through WireGuard lines
# ---
echononl "\tPermit all traffic through WireGuard lines.."
for _wg_if in ${wg_if_arr[@]} ; do
$ipt -A INPUT -i $_wg_if -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
if $kernel_activate_forwarding ; then
for _local_dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_wg_if -o $_local_dev -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_local_dev -o $_wg_if -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
echo ""
# ---
@ -2373,160 +2583,6 @@ else
fi
# ---
# - DHCP
# ---
echononl "\t\tLocal DHCP Client"
if [[ ${#dhcp_client_interfaces_arr[@]} -gt 0 ]] ; then
for _dev in ${dhcp_client_interfaces_arr[@]} ; do
$ipt -A OUTPUT -o $_dev -p udp -m udp -d 255.255.255.255 --dport 67 -j ACCEPT
$ipt -A INPUT -i $_dev -p udp -m udp --dport 68 -j ACCEPT
done
echo_done
else
echo_skipped
fi
echononl "\t\tDHCP"
if $local_dhcp_service ; then
# - Allow requests from intern networks
for _dev in ${local_if_arr[@]} ; do
# - in
$ipt -A INPUT -p udp -i $_dev -s 0/0 --sport 68 -d 255.255.255.255 --dport 67 -j ACCEPT
# - out
$ipt -A OUTPUT -p udp -o $_dev --sport 67 -d 0/0 --dport 68 -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DHCP Failover
# ---
echononl "\t\tDHCP Failover Server"
if $local_dhcp_service && [[ ${#dhcp_failover_server_ip_arr[@]} -gt 0 ]] ; then
for _ip in ${dhcp_failover_server_ip_arr[@]} ; do
$ipt -A INPUT -p tcp --dport $dhcp_failover_port -s $_ip -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p tcp -d $_ip --dport $dhcp_failover_port -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS out only
# ---
echononl "\t\tDNS out only"
# - Nameservers on the INET must be reachable for the local recursiv nameserver
# - but also for all others
# -
for _dev in ${ext_if_arr[@]} ; do
# - out from local and virtual mashine(s)
$ipt -A OUTPUT -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
# - Only useful (needed) if kernel forwarding is activated (kernel_activate_forwarding=true)
if $kernel_activate_forwarding && ! $permit_local_net_to_inet ; then
# - forward from virtual mashine(s)
$ipt -A FORWARD -o $_dev -p udp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -o $_dev -p tcp --dport $standard_dns_port -m conntrack --ctstate NEW -j ACCEPT
fi
done
echo_done
# ---
# - DNS Service Gateway
# ---
echononl "\t\tDNS Service Gateway"
# - Local Nameservice
# -
if $local_dns_service ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
# - Allow requests from local networks
# -
for _dev in ${local_if_arr[@]} ; do
# - in
$ipt -A INPUT -i $_dev -p udp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ipt -A INPUT -i $_dev -p tcp --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
# - Zonetransfere (uses tcp/53)
#
for _ip in ${dns_server_ips[@]} ; do
# - out
# -
# - local master (here) gets request for a zone from slave ($_ip)
$ipt -A INPUT -p tcp -s $_ip --sport $unprivports --dport 53 -m conntrack --ctstate NEW -j ACCEPT
# - in
# -
# - local slave (here) requests zone from master ($_ip)
$ipt -A OUTPUT -p tcp --sport $unprivports -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
echo_done
else
echo_skipped
fi
# ---
# - DNS Services at local Network
# ---
echononl "\t\tDNS Service local Network"
# - Make nameservers at the local network area rechable for all
# -
if [[ ${#dns_server_ip_arr[@]} -gt 0 ]] ; then
# dns requests
#
# Note:
# If the total size of the DNS record is larger than 512 bytes,
# it will be sent over TCP, not UDP.
#
for _ip in ${dns_server_ip_arr[@]} ; do
$ipt -A OUTPUT -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
if $kernel_activate_forwarding && ! $permit_between_local_networks ; then
for _dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_dev -p udp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p tcp -d $_ip --dport 53 -m conntrack --ctstate NEW -j ACCEPT
done
fi
done
echo_done
else
echo_skipped
fi
# ---
# - SSH out only