diff options
Diffstat (limited to 'data/templates/firewall')
-rw-r--r-- | data/templates/firewall/nftables-defines.tmpl | 32 | ||||
-rw-r--r-- | data/templates/firewall/nftables-nat.tmpl | 4 | ||||
-rw-r--r-- | data/templates/firewall/nftables-policy.tmpl | 55 | ||||
-rw-r--r-- | data/templates/firewall/nftables.tmpl | 274 | ||||
-rw-r--r-- | data/templates/firewall/upnpd.conf.tmpl | 172 |
5 files changed, 535 insertions, 2 deletions
diff --git a/data/templates/firewall/nftables-defines.tmpl b/data/templates/firewall/nftables-defines.tmpl new file mode 100644 index 000000000..d9eb7c199 --- /dev/null +++ b/data/templates/firewall/nftables-defines.tmpl @@ -0,0 +1,32 @@ +{% if group is defined %} +{% if group.address_group is defined %} +{% for group_name, group_conf in group.address_group.items() %} +define A_{{ group_name }} = { {{ group_conf.address | join(",") }} } +{% endfor %} +{% endif %} +{% if group.ipv6_address_group is defined %} +{% for group_name, group_conf in group.ipv6_address_group.items() %} +define A6_{{ group_name }} = { {{ group_conf.address | join(",") }} } +{% endfor %} +{% endif %} +{% if group.mac_group is defined %} +{% for group_name, group_conf in group.mac_group.items() %} +define M_{{ group_name }} = { {{ group_conf.mac_address | join(",") }} } +{% endfor %} +{% endif %} +{% if group.network_group is defined %} +{% for group_name, group_conf in group.network_group.items() %} +define N_{{ group_name }} = { {{ group_conf.network | join(",") }} } +{% endfor %} +{% endif %} +{% if group.ipv6_network_group is defined %} +{% for group_name, group_conf in group.ipv6_network_group.items() %} +define N6_{{ group_name }} = { {{ group_conf.network | join(",") }} } +{% endfor %} +{% endif %} +{% if group.port_group is defined %} +{% for group_name, group_conf in group.port_group.items() %} +define P_{{ group_name }} = { {{ group_conf.port | join(",") }} } +{% endfor %} +{% endif %} +{% endif %}
\ No newline at end of file diff --git a/data/templates/firewall/nftables-nat.tmpl b/data/templates/firewall/nftables-nat.tmpl index 40ed1b916..9ea880697 100644 --- a/data/templates/firewall/nftables-nat.tmpl +++ b/data/templates/firewall/nftables-nat.tmpl @@ -157,8 +157,8 @@ delete chain ip raw NAT_CONNTRACK add chain ip raw NAT_CONNTRACK add rule ip raw NAT_CONNTRACK counter accept {% set base_command = 'add rule ip raw' %} -{{ base_command }} PREROUTING position {{ pre_ct_ignore }} counter jump VYATTA_CT_HELPER -{{ base_command }} OUTPUT position {{ out_ct_ignore }} counter jump VYATTA_CT_HELPER +{{ base_command }} PREROUTING position {{ pre_ct_ignore }} counter jump VYOS_CT_HELPER +{{ base_command }} OUTPUT position {{ out_ct_ignore }} counter jump VYOS_CT_HELPER {{ base_command }} PREROUTING position {{ pre_ct_conntrack }} counter jump NAT_CONNTRACK {{ base_command }} OUTPUT position {{ out_ct_conntrack }} counter jump NAT_CONNTRACK {% endif %} diff --git a/data/templates/firewall/nftables-policy.tmpl b/data/templates/firewall/nftables-policy.tmpl new file mode 100644 index 000000000..905ffcd09 --- /dev/null +++ b/data/templates/firewall/nftables-policy.tmpl @@ -0,0 +1,55 @@ +#!/usr/sbin/nft -f + +{% if cleanup_commands is defined %} +{% for command in cleanup_commands %} +{{ command }} +{% endfor %} +{% endif %} + +include "/run/nftables_defines.conf" + +table ip mangle { +{% if first_install is defined %} + chain VYOS_PBR_PREROUTING { + type filter hook prerouting priority -150; policy accept; + } + chain VYOS_PBR_POSTROUTING { + type filter hook postrouting priority -150; policy accept; + } +{% endif %} +{% if route is defined and route is not none -%} +{% for route_text, conf in route.items() %} + chain VYOS_PBR_{{ route_text }} { +{% if conf.rule is defined %} +{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not defined %} + {{ rule_conf | nft_rule(route_text, rule_id, 'ip') }} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule(route_text) }} + } +{% endfor %} +{%- endif %} +} + +table ip6 mangle { +{% if first_install is defined %} + chain VYOS_PBR6_PREROUTING { + type filter hook prerouting priority -150; policy accept; + } + chain VYOS_PBR6_POSTROUTING { + type filter hook postrouting priority -150; policy accept; + } +{% endif %} +{% if route6 is defined and route6 is not none %} +{% for route_text, conf in route6.items() %} + chain VYOS_PBR6_{{ route_text }} { +{% if conf.rule is defined %} +{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not defined %} + {{ rule_conf | nft_rule(route_text, rule_id, 'ip6') }} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule(route_text) }} + } +{% endfor %} +{% endif %} +} diff --git a/data/templates/firewall/nftables.tmpl b/data/templates/firewall/nftables.tmpl new file mode 100644 index 000000000..0cc977cf9 --- /dev/null +++ b/data/templates/firewall/nftables.tmpl @@ -0,0 +1,274 @@ +#!/usr/sbin/nft -f + +{% if cleanup_commands is defined %} +{% for command in cleanup_commands %} +{{ command }} +{% endfor %} +{% endif %} + +include "/run/nftables_defines.conf" + +table ip filter { +{% if first_install is defined %} + chain VYOS_FW_FORWARD { + type filter hook forward priority 0; policy accept; + jump VYOS_POST_FW + } + chain VYOS_FW_LOCAL { + type filter hook input priority 0; policy accept; + jump VYOS_POST_FW + } + chain VYOS_FW_OUTPUT { + type filter hook output priority 0; policy accept; + jump VYOS_POST_FW + } + chain VYOS_POST_FW { + return + } + chain VYOS_FRAG_MARK { + type filter hook prerouting priority -450; policy accept; + ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return + } +{% endif %} +{% if name is defined %} +{% set ns = namespace(sets=[]) %} +{% for name_text, conf in name.items() %} + chain NAME_{{ name_text }} { +{% if conf.rule is defined %} +{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not defined %} + {{ rule_conf | nft_rule(name_text, rule_id) }} +{% if rule_conf.recent is defined %} +{% set ns.sets = ns.sets + [name_text + '_' + rule_id] %} +{% endif %} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule(name_text) }} + } +{% endfor %} +{% for set_name in ns.sets %} + set RECENT_{{ set_name }} { + type ipv4_addr + size 65535 + flags dynamic + } +{% endfor %} +{% endif %} +{% if state_policy is defined %} + chain VYOS_STATE_POLICY { +{% if state_policy.established is defined %} + {{ state_policy.established | nft_state_policy('established') }} +{% endif %} +{% if state_policy.invalid is defined %} + {{ state_policy.invalid | nft_state_policy('invalid') }} +{% endif %} +{% if state_policy.related is defined %} + {{ state_policy.related | nft_state_policy('related') }} +{% endif %} + return + } +{% endif %} +} + +table ip6 filter { +{% if first_install is defined %} + chain VYOS_FW6_FORWARD { + type filter hook forward priority 0; policy accept; + jump VYOS_POST_FW6 + } + chain VYOS_FW6_LOCAL { + type filter hook input priority 0; policy accept; + jump VYOS_POST_FW6 + } + chain VYOS_FW6_OUTPUT { + type filter hook output priority 0; policy accept; + jump VYOS_POST_FW6 + } + chain VYOS_POST_FW6 { + return + } + chain VYOS_FRAG6_MARK { + type filter hook prerouting priority -450; policy accept; + exthdr frag exists meta mark set 0xffff1 return + } +{% endif %} +{% if ipv6_name is defined %} +{% set ns = namespace(sets=[]) %} +{% for name_text, conf in ipv6_name.items() %} + chain NAME6_{{ name_text }} { +{% if conf.rule is defined %} +{% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not defined %} + {{ rule_conf | nft_rule(name_text, rule_id, 'ip6') }} +{% if rule_conf.recent is defined %} +{% set ns.sets = ns.sets + [name_text + '_' + rule_id] %} +{% endif %} +{% endfor %} +{% endif %} + {{ conf | nft_default_rule(name_text) }} + } +{% endfor %} +{% for set_name in ns.sets %} + set RECENT6_{{ set_name }} { + type ipv6_addr + size 65535 + flags dynamic + } +{% endfor %} +{% endif %} +{% if state_policy is defined %} + chain VYOS_STATE_POLICY6 { +{% if state_policy.established is defined %} + {{ state_policy.established | nft_state_policy('established', ipv6=True) }} +{% endif %} +{% if state_policy.invalid is defined %} + {{ state_policy.invalid | nft_state_policy('invalid', ipv6=True) }} +{% endif %} +{% if state_policy.related is defined %} + {{ state_policy.related | nft_state_policy('related', ipv6=True) }} +{% endif %} + return + } +{% endif %} +} + +{% if first_install is defined %} +table ip nat { + chain PREROUTING { + type nat hook prerouting priority -100; policy accept; + counter jump VYOS_PRE_DNAT_HOOK + } + + chain POSTROUTING { + type nat hook postrouting priority 100; policy accept; + counter jump VYOS_PRE_SNAT_HOOK + } + + chain VYOS_PRE_DNAT_HOOK { + return + } + + chain VYOS_PRE_SNAT_HOOK { + return + } +} + +table ip6 nat { + chain PREROUTING { + type nat hook prerouting priority -100; policy accept; + counter jump VYOS_DNPT_HOOK + } + + chain POSTROUTING { + type nat hook postrouting priority 100; policy accept; + counter jump VYOS_SNPT_HOOK + } + + chain VYOS_DNPT_HOOK { + return + } + + chain VYOS_SNPT_HOOK { + return + } +} + +table inet mangle { + chain FORWARD { + type filter hook forward priority -150; policy accept; + } +} + +table raw { + chain VYOS_TCP_MSS { + type filter hook forward priority -300; policy accept; + } + + chain PREROUTING { + type filter hook prerouting priority -200; policy accept; + counter jump VYOS_CT_IGNORE + counter jump VYOS_CT_TIMEOUT + counter jump VYOS_CT_PREROUTING_HOOK + counter jump FW_CONNTRACK + notrack + } + + chain OUTPUT { + type filter hook output priority -200; policy accept; + counter jump VYOS_CT_IGNORE + counter jump VYOS_CT_TIMEOUT + counter jump VYOS_CT_OUTPUT_HOOK + counter jump FW_CONNTRACK + notrack + } + + ct helper rpc_tcp { + type "rpc" protocol tcp; + } + + ct helper rpc_udp { + type "rpc" protocol udp; + } + + ct helper tns_tcp { + type "tns" protocol tcp; + } + + chain VYOS_CT_HELPER { + ct helper set "rpc_tcp" tcp dport {111} return + ct helper set "rpc_udp" udp dport {111} return + ct helper set "tns_tcp" tcp dport {1521,1525,1536} return + return + } + + chain VYOS_CT_IGNORE { + return + } + + chain VYOS_CT_TIMEOUT { + return + } + + chain VYOS_CT_PREROUTING_HOOK { + return + } + + chain VYOS_CT_OUTPUT_HOOK { + return + } + + chain FW_CONNTRACK { + accept + } +} + +table ip6 raw { + chain VYOS_TCP_MSS { + type filter hook forward priority -300; policy accept; + } + + chain PREROUTING { + type filter hook prerouting priority -300; policy accept; + counter jump VYOS_CT_PREROUTING_HOOK + counter jump FW_CONNTRACK + notrack + } + + chain OUTPUT { + type filter hook output priority -300; policy accept; + counter jump VYOS_CT_OUTPUT_HOOK + counter jump FW_CONNTRACK + notrack + } + + chain VYOS_CT_PREROUTING_HOOK { + return + } + + chain VYOS_CT_OUTPUT_HOOK { + return + } + + chain FW_CONNTRACK { + accept + } +} +{% endif %} diff --git a/data/templates/firewall/upnpd.conf.tmpl b/data/templates/firewall/upnpd.conf.tmpl new file mode 100644 index 000000000..39cb21373 --- /dev/null +++ b/data/templates/firewall/upnpd.conf.tmpl @@ -0,0 +1,172 @@ +# This is the UPNP configuration file + +# WAN network interface +ext_ifname={{ wan_interface }} +{% if wan_ip is defined %} +# If the WAN interface has several IP addresses, you +# can specify the one to use below +{% for addr in wan_ip %} +ext_ip={{ addr }} +{% endfor %} +{% endif %} + +# LAN network interfaces IPs / networks +{% if listen is defined %} +# There can be multiple listening IPs for SSDP traffic, in that case +# use multiple 'listening_ip=...' lines, one for each network interface. +# It can be IP address or network interface name (ie. "eth0") +# It is mandatory to use the network interface name in order to enable IPv6 +# HTTP is available on all interfaces. +# When MULTIPLE_EXTERNAL_IP is enabled, the external IP +# address associated with the subnet follows. For example: +# listening_ip=192.168.0.1/24 88.22.44.13 +{% for addr in listen %} +{% if addr | is_ipv4 %} +listening_ip={{ addr }} +{% elif addr | is_ipv6 %} +ipv6_listening_ip={{ addr }} +{% else %} +listening_ip={{ addr }} +{% endif %} +{% endfor %} +{% endif %} + +# CAUTION: mixing up WAN and LAN interfaces may introduce security risks! +# Be sure to assign the correct interfaces to LAN and WAN and consider +# implementing UPnP permission rules at the bottom of this configuration file + +# Port for HTTP (descriptions and SOAP) traffic. Set to 0 for autoselect. +#http_port=0 +# Port for HTTPS. Set to 0 for autoselect (default) +#https_port=0 + +# Path to the UNIX socket used to communicate with MiniSSDPd +# If running, MiniSSDPd will manage M-SEARCH answering. +# default is /var/run/minissdpd.sock +#minissdpdsocket=/var/run/minissdpd.sock + +{% if nat_pmp is defined %} +# Enable NAT-PMP support (default is no) +enable_natpmp=yes +{% endif %} + +# Enable UPNP support (default is yes) +enable_upnp=yes + +{% if pcp_lifetime is defined %} +# PCP +# Configure the minimum and maximum lifetime of a port mapping in seconds +# 120s and 86400s (24h) are suggested values from PCP-base +{% if pcp_lifetime.max is defined %} +max_lifetime={{ pcp_lifetime.max }} +{% endif %} +{% if pcp_lifetime.min is defined %} +min_lifetime={{ pcp_lifetime.min }} +{% endif %} +{% endif %} + + +# To enable the next few runtime options, see compile time +# ENABLE_MANUFACTURER_INFO_CONFIGURATION (config.h) + +{% if friendly_name is defined %} +# Name of this service, default is "`uname -s` router" +friendly_name= {{ friendly_name }} +{% endif %} + +# Manufacturer name, default is "`uname -s`" +manufacturer_name=VyOS + +# Manufacturer URL, default is URL of OS vendor +manufacturer_url=https://vyos.io/ + +# Model name, default is "`uname -s` router" +model_name=VyOS Router Model + +# Model description, default is "`uname -s` router" +model_description=Vyos open source enterprise router/firewall operating system + +# Model URL, default is URL of OS vendor +model_url=https://vyos.io/ + +{% if secure_mode is defined %} +# Secure Mode, UPnP clients can only add mappings to their own IP +secure_mode=yes +{% else %} +# Secure Mode, UPnP clients can only add mappings to their own IP +secure_mode=no +{% endif %} + +{% if presentation_url is defined %} +# Default presentation URL is HTTP address on port 80 +# If set to an empty string, no presentationURL element will appear +# in the XML description of the device, which prevents MS Windows +# from displaying an icon in the "Network Connections" panel. +#presentation_url= {{ presentation_url }} +{% endif %} + +# Report system uptime instead of daemon uptime +system_uptime=yes + +# Unused rules cleaning. +# never remove any rule before this threshold for the number +# of redirections is exceeded. default to 20 +clean_ruleset_threshold=10 +# Clean process work interval in seconds. default to 0 (disabled). +# a 600 seconds (10 minutes) interval makes sense +clean_ruleset_interval=600 + +# Anchor name in pf (default is miniupnpd) +anchor=VyOS + +uuid={{ uuid }} + +# Lease file location +lease_file=/config/upnp.leases + +# Daemon's serial and model number when reporting to clients +# (in XML description) +#serial=12345678 +#model_number=1 + +{% if rules is defined %} +# UPnP permission rules +# (allow|deny) (external port range) IP/mask (internal port range) +# A port range is <min port>-<max port> or <port> if there is only +# one port in the range. +# IP/mask format must be nnn.nnn.nnn.nnn/nn +# It is advised to only allow redirection of port >= 1024 +# and end the rule set with "deny 0-65535 0.0.0.0/0 0-65535" +# The following default ruleset allows specific LAN side IP addresses +# to request only ephemeral ports. It is recommended that users +# modify the IP ranges to match their own internal networks, and +# also consider implementing network-specific restrictions +# CAUTION: failure to enforce any rules may permit insecure requests to be made! +{% for rule, config in rules.items() %} +{% if config.disable is defined %} +{{ config.action}} {{ config.external_port_range }} {{ config.ip }} {{ config.internal_port_range }} +{% endif %} +{% endfor %} +{% endif %} + +{% if stun is defined %} +# WAN interface must have public IP address. Otherwise it is behind NAT +# and port forwarding is impossible. In some cases WAN interface can be +# behind unrestricted NAT 1:1 when all incoming traffic is NAT-ed and +# routed to WAN interfaces without any filtering. In this cases miniupnpd +# needs to know public IP address and it can be learnt by asking external +# server via STUN protocol. Following option enable retrieving external +# public IP address from STUN server and detection of NAT type. You need +# to specify also external STUN server in stun_host option below. +# This option is disabled by default. +ext_perform_stun=yes +# Specify STUN server, either hostname or IP address +# Some public STUN servers: +# stun.stunprotocol.org +# stun.sipgate.net +# stun.xten.com +# stun.l.google.com (on non standard port 19302) +ext_stun_host={{ stun.host }} +# Specify STUN UDP port, by default it is standard port 3478. +ext_stun_port={{ stun.port }} +{% endif %} |