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Adjust Rules concerning Unifi Controller. Add digfferent Parameters for block 'Protection against several attacks'.

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This commit is contained in:
Christoph
2022-03-28 21:26:17 +02:00
parent 19bf795a99
commit 783be30197
5 changed files with 568 additions and 260 deletions
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415
ipt-firewall-gateway
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@ -977,22 +977,36 @@ fi
# -------------
# --- Protections against several attacks / unwanted packages
# -------------
echo
echononl "\tProtections against several attacks / unwanted packages.."
if $protect_against_several_attacks ; then
echo
if $terminal ; then
echo -e "\033[37m\033[1m\tProtections against several attacks / unwanted packages....\033[m"
else
echo "Protections against several attacks / unwanted packages...."
fi
echo
# ---
# - Protection against syn-flooding
# ---
$ipt -N syn_flood
$ipt -A INPUT -p tcp --syn -j syn_flood
$ipt -A syn_flood -m limit --limit 1/s --limit-burst 3 -j RETURN
echononl "\t Protection against syn-flooding.."
if $drop_syn_flood || $log_syn_flood ; then
$ipt -N syn_flood
$ipt -A INPUT -p tcp --syn -j syn_flood
$ipt -A syn_flood -m limit --limit 1/s --limit-burst 3 -j RETURN
fi
if $log_syn_flood || $log_all ; then
$ipt -A syn_flood -j $LOG_TARGET $tag_log_prefix "$log_prefix SYN flood: "
fi
$ipt -A syn_flood -j DROP
if $drop_syn_flood ; then
$ipt -A syn_flood -j DROP
echo_done
else
echo_skipped
fi
# ---
@ -1006,60 +1020,85 @@ if $protect_against_several_attacks ; then
# I am not going to trust any fragments.
# Log fragments just to see if we get any, and deny them too
for _dev in ${ext_if_arr[@]} ; do
if $log_fragments || $log_all ; then
$ipt -A INPUT -i $_dev -f -j $LOG_TARGET $tag_log_prefix "$log_prefix IPTABLES FRAGMENTS: "
echononl "\t Drop Fragments.."
if $log_fragments || $log_all ; then
for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -f -j $LOG_TARGET $tag_log_prefix "$log_prefix IPTABLES FRAGMENTS: "
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -f -j $LOG_TARGET $tag_log_prefix "$log_prefix IPTABLES FRAGMENTS: "
fi
done
fi
if $drop_fragments ; then
for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -f -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -f -j $LOG_TARGET $tag_log_prefix "$log_prefix IPTABLES FRAGMENTS: "
$ipt -A FORWARD -i $_dev -f -j DROP
fi
fi
$ipt -A INPUT -i $_dev -f -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -f -j DROP
fi
done
done
echo_done
else
echo_skipped
fi
# ---
# - drop new packages without syn flag
# ---
#if $log_new_not_sync || $log_all ; then
# $ipt -A INPUT -p tcp ! --syn -m conntrack --ctstate NEW -j $LOG_TARGET $tag_log_prefix "$log_prefix New but not SYN: "
# $ipt -A OUTPUT -p tcp ! --syn -m conntrack --ctstate NEW -j $LOG_TARGET $tag_log_prefix "$log_prefix New but not SYN: "
# if $kernel_activate_forwarding ; then
# $ipt -A FORWARD -p tcp ! --syn -m conntrack --ctstate NEW -j $LOG_TARGET $tag_log_prefix "$log_prefix New but not SYN: "
# fi
#fi
#$ipt -A INPUT -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
#$ipt -A OUTPUT -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
#if $kernel_activate_forwarding ; then
# $ipt -A FORWARD -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
#fi
echononl "\t Drop Packages new but not sync.."
if $log_new_not_sync || $log_all ; then
$ipt -A INPUT -p tcp ! --syn -m conntrack --ctstate NEW -j $LOG_TARGET $tag_log_prefix "$log_prefix New but not SYN: "
$ipt -A OUTPUT -p tcp ! --syn -m conntrack --ctstate NEW -j $LOG_TARGET $tag_log_prefix "$log_prefix New but not SYN: "
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -p tcp ! --syn -m conntrack --ctstate NEW -j $LOG_TARGET $tag_log_prefix "$log_prefix New but not SYN: "
fi
fi
if $drop_new_not_sync; then
$ipt -A INPUT -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
$ipt -A OUTPUT -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -p tcp ! --syn -m conntrack --ctstate NEW -j DROP
fi
echo_done
else
echo_skipped
fi
# ---
# - drop invalid packages
# ---
#if $log_invalid_state || $log_all ; then
# $ipt -A INPUT -m conntrack --ctstate INVALID -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid state: "
# if $kernel_activate_forwarding ; then
# $ipt -A FORWARD -m conntrack --ctstate INVALID -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid state: "
# fi
#fi
#$ipt -A INPUT -m conntrack --ctstate INVALID -j DROP
#if $kernel_activate_forwarding ; then
# $ipt -A FORWARD -m conntrack --ctstate INVALID -j DROP
#fi
echononl "\t Drop invalid packages.."
if $log_invalid_state || $log_all ; then
$ipt -A INPUT -m conntrack --ctstate INVALID -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid state: "
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -m conntrack --ctstate INVALID -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid state: "
fi
fi
if $drop_invalid_state ; then
$ipt -A INPUT -m conntrack --ctstate INVALID -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -m conntrack --ctstate INVALID -j DROP
fi
echo_done
else
echo_skipped
fi
# ---
# - ungewöhnliche Flags verwerfen
# ---
for _dev in ${ext_if_arr[@]} ; do
if $log_invalid_flags || $log_all ; then
echononl "\t Drop Packages with unusal flags .."
if $log_invalid_flags || $log_all ; then
for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -p tcp --tcp-flags ALL ACK,RST,SYN,FIN -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid flags: "
$ipt -A INPUT -i $_dev -p tcp --tcp-flags SYN,FIN SYN,FIN -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid flags: "
$ipt -A INPUT -i $_dev -p tcp --tcp-flags SYN,RST SYN,RST -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid flags: "
@ -1068,125 +1107,165 @@ if $protect_against_several_attacks ; then
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags SYN,FIN SYN,FIN -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid flags: "
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags SYN,RST SYN,RST -j $LOG_TARGET $tag_log_prefix "$log_prefix Invalid flags: "
fi
fi
$ipt -A INPUT -i $_dev -p tcp --tcp-flags ALL ACK,RST,SYN,FIN -j DROP
$ipt -A INPUT -i $_dev -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
$ipt -A INPUT -i $_dev -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags ALL ACK,RST,SYN,FIN -j DROP
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
fi
done
done
fi
if $drop_invalid_flags ; then
for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -p tcp --tcp-flags ALL ACK,RST,SYN,FIN -j DROP
$ipt -A INPUT -i $_dev -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
$ipt -A INPUT -i $_dev -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags ALL ACK,RST,SYN,FIN -j DROP
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
$ipt -A FORWARD -i $_dev -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
fi
done
echo_done
else
echo_skipped
fi
# ---
# - Refuse private addresses on extern interfaces
# ---
# Refuse packets claiming to be from a
# Class A private network
# Class B private network
# Class C private network
# loopback interface
# Class D multicast address
# Class E reserved IP address
# broadcast address
for _dev in ${dsl_device_arr[@]} ; do
echononl "\t Refuse private addresses on extern interfaces (DSL).."
if [[ ${#dsl_device_arr[@]} -gt 0 ]] ; then
# Refuse packets claiming to be from a
# Class A private network
# Class B private network
# Class C private network
# loopback interface
# Class D multicast address
# Class E reserved IP address
# broadcast address
if $log_spoofed || $log_all ; then
$ipt -A INPUT -i $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix Class A private net: "
$ipt -A INPUT -i $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix Class B private net: "
$ipt -A INPUT -i $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix Class C private net: "
$ipt -A INPUT -i $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback: "
$ipt -A INPUT -i $_dev -s $class_d_multicast -j $LOG_TARGET $tag_log_prefix "$log_prefix Class D Multicast: "
$ipt -A INPUT -i $_dev -s $class_e_reserved -j $LOG_TARGET $tag_log_prefix "$log_prefix Class E reserved: "
#$ipt -A INPUT -i $_dev -d $broadcast_addr -j $LOG_TARGET $tag_log_prefix "$log_prefix Broadcast Address: "
#
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix Class A private net: "
$ipt -A FORWARD -i $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix Class B private net: "
$ipt -A FORWARD -i $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix Class C private net: "
$ipt -A FORWARD -i $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback: "
$ipt -A FORWARD -i $_dev -s $class_d_multicast -j $LOG_TARGET $tag_log_prefix "$log_prefix Class D Multicast: "
$ipt -A FORWARD -i $_dev -s $class_e_reserved -j $LOG_TARGET $tag_log_prefix "$log_prefix Class E reserved: "
#$ipt -A FORWARD -i $_dev -d $broadcast_addr -j $LOG_TARGET $tag_log_prefix "$log_prefix Broadcast Address: "
fi
for _dev in ${dsl_device_arr[@]} ; do
$ipt -A INPUT -i $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix Class A private net: "
$ipt -A INPUT -i $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix Class B private net: "
$ipt -A INPUT -i $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix Class C private net: "
$ipt -A INPUT -i $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback: "
$ipt -A INPUT -i $_dev -s $class_d_multicast -j $LOG_TARGET $tag_log_prefix "$log_prefix Class D Multicast: "
$ipt -A INPUT -i $_dev -s $class_e_reserved -j $LOG_TARGET $tag_log_prefix "$log_prefix Class E reserved: "
#$ipt -A INPUT -i $_dev -d $broadcast_addr -j $LOG_TARGET $tag_log_prefix "$log_prefix Broadcast Address: "
#
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix Class A private net: "
$ipt -A FORWARD -i $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix Class B private net: "
$ipt -A FORWARD -i $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix Class C private net: "
$ipt -A FORWARD -i $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix From Loopback: "
$ipt -A FORWARD -i $_dev -s $class_d_multicast -j $LOG_TARGET $tag_log_prefix "$log_prefix Class D Multicast: "
$ipt -A FORWARD -i $_dev -s $class_e_reserved -j $LOG_TARGET $tag_log_prefix "$log_prefix Class E reserved: "
#$ipt -A FORWARD -i $_dev -d $broadcast_addr -j $LOG_TARGET $tag_log_prefix "$log_prefix Broadcast Address: "
fi
done
fi
# Refuse packets claiming to be from a Class A private network.
$ipt -A INPUT -i $_dev -s $priv_class_a -j DROP
# Refuse packets claiming to be from a Class B private network.
$ipt -A INPUT -i $_dev -s $priv_class_b -j DROP
# Retfuse packets claiming to be from a Class C private network.
$ipt -A INPUT -i $_dev -s $priv_class_c -j DROP
# Refuse packets claiming to be from loopback interface.
$ipt -A INPUT -i $_dev -s $loopback_ipv4 -j DROP
# Refuse Class D multicast addresses. Multicast is illegal as a source address.
$ipt -A INPUT -i $_dev -s $class_d_multicast -j DROP
# Refuse Class E reserved IP addresses.
$ipt -A INPUT -i $_dev -s $class_e_reserved -j DROP
# Refuse broadcast address packets.
#$ipt -A INPUT -i $_dev -d $broadcast_addr -j DROP
if $kernel_activate_forwarding ; then
# Refuse packets claiming to be from a Class A private network.
$ipt -A FORWARD -i $_dev -s $priv_class_a -j DROP
# Refuse packets claiming to be from a Class B private network.
$ipt -A FORWARD -i $_dev -s $priv_class_b -j DROP
# Refuse packets claiming to be from a Class C private network.
$ipt -A FORWARD -i $_dev -s $priv_class_c -j DROP
# Refuse packets claiming to be from loopback interface.
$ipt -A FORWARD -i $_dev -s $loopback_ipv4 -j DROP
# Refuse Class D multicast addresses. Multicast is illegal as a source address.
$ipt -A FORWARD -i $_dev -s $class_d_multicast -j DROP
# Refuse Class E reserved IP addresses.
$ipt -A FORWARD -i $_dev -s $class_e_reserved -j DROP
# Refuse broadcast address packets.
#$ipt -A FORWARD -i $_dev -d $broadcast_addr -j DROP
if $drop_spoofed ; then
for _dev in ${dsl_device_arr[@]} ; do
# Refuse packets claiming to be from a Class A private network.
$ipt -A INPUT -i $_dev -s $priv_class_a -j DROP
# Refuse packets claiming to be from a Class B private network.
$ipt -A INPUT -i $_dev -s $priv_class_b -j DROP
# Retfuse packets claiming to be from a Class C private network.
$ipt -A INPUT -i $_dev -s $priv_class_c -j DROP
# Refuse packets claiming to be from loopback interface.
$ipt -A INPUT -i $_dev -s $loopback_ipv4 -j DROP
# Refuse Class D multicast addresses. Multicast is illegal as a source address.
$ipt -A INPUT -i $_dev -s $class_d_multicast -j DROP
# Refuse Class E reserved IP addresses.
$ipt -A INPUT -i $_dev -s $class_e_reserved -j DROP
# Refuse broadcast address packets.
#$ipt -A INPUT -i $_dev -d $broadcast_addr -j DROP
if $kernel_activate_forwarding ; then
# Refuse packets claiming to be from a Class A private network.
$ipt -A FORWARD -i $_dev -s $priv_class_a -j DROP
# Refuse packets claiming to be from a Class B private network.
$ipt -A FORWARD -i $_dev -s $priv_class_b -j DROP
# Refuse packets claiming to be from a Class C private network.
$ipt -A FORWARD -i $_dev -s $priv_class_c -j DROP
# Refuse packets claiming to be from loopback interface.
$ipt -A FORWARD -i $_dev -s $loopback_ipv4 -j DROP
# Refuse Class D multicast addresses. Multicast is illegal as a source address.
$ipt -A FORWARD -i $_dev -s $class_d_multicast -j DROP
# Refuse Class E reserved IP addresses.
$ipt -A FORWARD -i $_dev -s $class_e_reserved -j DROP
# Refuse broadcast address packets.
#$ipt -A FORWARD -i $_dev -d $broadcast_addr -j DROP
fi
done
echo_done
else
echo_skipped
fi
done
else
echo_skipped
fi
# ---
# - Refuse packets claiming to be to the loopback interface.
# ---
echononl "\t Refuse packets claiming to be to the loopback interface.."
# Refusing packets claiming to be to the loopback interface protects against
# source quench, whereby a machine can be told to slow itself down by an icmp source
# quench to the loopback.
for _dev in ${ext_if_arr[@]} ; do
if $log_to_lo || $log_all ; then
if $log_to_lo || $log_all ; then
for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -d $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix To Loopback: "
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -d $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix To Loopback: "
fi
fi
$ipt -A INPUT -i $_dev -d $loopback_ipv4 -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -d $loopback_ipv4 -j DROP
fi
done
done
fi
if $drop_ext_to_lo ; then
for _dev in ${ext_if_arr[@]} ; do
$ipt -A INPUT -i $_dev -d $loopback_ipv4 -j DROP
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -i $_dev -d $loopback_ipv4 -j DROP
fi
done
echo_done
else
echo_skipped
fi
# ---
# - Don't allow spoofing from that server
# ---
for _dev in ${dsl_device_arr[@]} ; do
if $log_spoofed_out || $log_all ; then
$ipt -A OUTPUT -o $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class A: "
$ipt -A OUTPUT -o $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class B: "
$ipt -A OUTPUT -o $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class C: "
$ipt -A OUTPUT -o $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix out Loopback: "
fi
$ipt -A OUTPUT -o $_dev -s $priv_class_a -j DROP
$ipt -A OUTPUT -o $_dev -s $priv_class_b -j DROP
$ipt -A OUTPUT -o $_dev -s $priv_class_c -j DROP
$ipt -A OUTPUT -o $_dev -s $loopback_ipv4 -j DROP
done
echononl "\t Don't allow spoofing out from that server.."
echo_done
else
echo_skipped
fi
if [[ ${#dsl_device_arr[@]} -gt 0 ]] ; then
if $log_spoofed_out || $log_all ; then
for _dev in ${dsl_device_arr[@]} ; do
$ipt -A OUTPUT -o $_dev -s $priv_class_a -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class A: "
$ipt -A OUTPUT -o $_dev -s $priv_class_b -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class B: "
$ipt -A OUTPUT -o $_dev -s $priv_class_c -j $LOG_TARGET $tag_log_prefix "$log_prefix out Class C: "
$ipt -A OUTPUT -o $_dev -s $loopback_ipv4 -j $LOG_TARGET $tag_log_prefix "$log_prefix out Loopback: "
done
fi
if $drop_spoofed_out ; then
for _dev in ${dsl_device_arr[@]} ; do
$ipt -A OUTPUT -o $_dev -s $priv_class_a -j DROP
$ipt -A OUTPUT -o $_dev -s $priv_class_b -j DROP
$ipt -A OUTPUT -o $_dev -s $priv_class_c -j DROP
$ipt -A OUTPUT -o $_dev -s $loopback_ipv4 -j DROP
done
echo_done
else
echo_skipped
fi
else
echo_skipped
fi
fi # if $protect_against_several_attacks ; then
# -------------
@ -5109,12 +5188,14 @@ fi
# ---
echononl "\t\tUbiquiti Unifi Controller Gateway IN"
if $local_unifi_controller_service ; then
for _dev in ${local_if_arr[@]} ; do
echononl "\t\tUbiquiti Unifi Controller Gateway IN from Unifi devicess"
if $local_unifi_controller_service \
&& ( [[ ${#unifi_ap_local_ip_arr[@]} -gt 0 ]] || [[ ${#unifi_ap_extern_ip_arr[@]} -gt 0 ]] ) ; then
$ipt -A INPUT -p tcp -i $_dev -m multiport --dports $unifi_tcp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A INPUT -p udp -i $_dev -m multiport --dports $unifi_udp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
for _ip in ${unifi_ap_local_ip_arr[@]} ; do
$ipt -A INPUT -p tcp -s $_ip -m multiport --dports $unifi_tcp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A INPUT -p udp -s $_ip -m multiport --dports $unifi_udp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
done
@ -5136,30 +5217,26 @@ else
fi
echononl "\t\tUbiquiti Unifi Controller Gateway - OUT (to Unifi APs)"
echononl "\t\tUbiquiti Unifi Controller Gateway OUT (unrestricted)"
if $local_unifi_controller_service \
&& ( [[ ${#unifi_ap_local_ip_arr[@]} -gt 0 ]] || [[ ${#unifi_ap_extern_ip_arr[@]} -gt 0 ]] ) ; then
if [[ ${#unifi_ap_local_ip_arr[@]} -gt 0 ]] ; then
$ipt -A OUTPUT -p tcp -m multiport --dports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p udp -m multiport --dports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
for _ip_ap in ${unifi_ap_local_ip_arr[@]} ; do
$ipt -A INPUT -p tcp -m multiport --sports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A INPUT -p udp -m multiport --sports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p tcp -d $_ip_ap -m multiport --sports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p udp -d $_ip_ap -m multiport --sports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
done
fi
if [[ ${#unifi_ap_extern_ip_arr[@]} -gt 0 ]] ; then
for _ip_ap in ${unifi_ap_local_ip_arr[@]} ; do
$ipt -A OUTPUT -p tcp -d $_ip_ap -m multiport --sports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A OUTPUT -p udp -d $_ip_ap -m multiport --sports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
done
if $kernel_activate_forwarding ; then
$ipt -A FORWARD -p tcp -m multiport --dports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -p tcp -m multiport --sports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -p udp -m multiport --dports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -p udp -m multiport --sports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
if $local_alias_interfaces ; then
$ipt -A FORWARD -p tcp -m multiport --dports $unifi_tcp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p tcp -m multiport --sports $unifi_tcp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
fi
fi
echo_done
@ -5181,14 +5258,12 @@ if [[ ${#unify_controller_local_net_ip_arr[@]} -gt 0 ]] \
for _ip_ctl in ${unify_controller_local_net_ip_arr[@]} ; do
for _dev in ${local_if_arr[@]} ; do
$ipt -A FORWARD -i $_dev -p tcp -d $_ip_ctl -m multiport --dports $unifi_tcp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p udp -d $_ip_ctl -m multiport --dports $unifi_udp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p tcp -s $_ip_ctl -m multiport --dports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p udp -s $_ip_ctl -m multiport --dports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p tcp -d $_ip_ctl -m multiport --dports $unifi_tcp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -i $_dev -p udp -d $_ip_ctl -m multiport --dports $unifi_udp_ctrl_in_ports -m conntrack --ctstate NEW -j ACCEPT
done
# - Note:
# - If (local) alias interfaces like eth1:0 in use, youe need a further
# - special rule.
@ -5196,19 +5271,25 @@ if [[ ${#unify_controller_local_net_ip_arr[@]} -gt 0 ]] \
if $local_alias_interfaces ; then
$ipt -A FORWARD -p tcp -d $_ip_ctl -m multiport --dports $unifi_tcp_ctrl_in_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p tcp -s $_ip_ctl -m multiport --sports $unifi_tcp_ctrl_in_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p tcp -d $_ip_ctl -m multiport --dports $unifi_tcp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p tcp -s $_ip_ctl -m multiport --sports $unifi_tcp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p udp -d $_ip_ctl -m multiport --dports $unifi_udp_ctrl_in_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p udp -s $_ip_ctl -m multiport --sports $unifi_udp_ctrl_in_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p udp -d $_ip_ctl -m multiport --dports $unifi_udp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p udp -s $_ip_ctl -m multiport --sports $unifi_udp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
fi
done
# Rules already exists if 'local_unifi_controller_service = true'
#
if ! $local_unifi_controller_service ; then
$ipt -A FORWARD -p tcp -m multiport --dports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -p udp -m multiport --dports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -p tcp -m multiport --sports $unifi_tcp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
$ipt -A FORWARD -p udp -m multiport --sports $unifi_udp_ctrl_out_ports -m conntrack --ctstate NEW -j ACCEPT
if $local_alias_interfaces ; then
$ipt -A FORWARD -p tcp -m multiport --dports $unifi_tcp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
$ipt -A FORWARD -p tcp -m multiport --sports $unifi_tcp_ctrl_out_ports --tcp-flag ACK ACK -j ACCEPT
fi
fi
echo_done
else
echo_skipped