ifdef::manvolnum[]
pve-firewall(8)
===============
-include::attributes.txt[]
:pve-toplevel:
NAME
ifndef::manvolnum[]
{pve} Firewall
==============
-include::attributes.txt[]
+:pve-toplevel:
endif::manvolnum[]
ifdef::wiki[]
-:pve-toplevel:
:title: Firewall
endif::wiki[]
can selectively enable the firewall for each interface. This is
required in addition to the general firewall `enable` option.
-The firewall requires a special network device setup, so you need to
-restart the VM/container after enabling the firewall on a network
-interface.
-
Firewall Rules
--------------
IN SSH(ACCEPT) -i net0
IN SSH(ACCEPT) -i net0 # a comment
IN SSH(ACCEPT) -i net0 -source 192.168.2.192 # only allow SSH from 192.168.2.192
-IN SSH(ACCEPT) -i net0 -source 10.0.0.1-10.0.0.10 # accept SSH for ip range
-IN SSH(ACCEPT) -i net0 -source 10.0.0.1,10.0.0.2,10.0.0.3 #accept ssh for ip list
+IN SSH(ACCEPT) -i net0 -source 10.0.0.1-10.0.0.10 # accept SSH for IP range
+IN SSH(ACCEPT) -i net0 -source 10.0.0.1,10.0.0.2,10.0.0.3 #accept ssh for IP list
IN SSH(ACCEPT) -i net0 -source +mynetgroup # accept ssh for ipset mynetgroup
IN SSH(ACCEPT) -i net0 -source myserveralias #accept ssh for alias myserveralias
----
# /etc/pve/firewall/cluster.fw
[ALIASES]
-local_network 1.2.3.4 # use the single ip address
+local_network 1.2.3.4 # use the single IP address
----
[[pve_firewall_ip_sets]]
level to allow neighbor discovery (NDP) packets to be sent and received.
Beside neighbor discovery NDP is also used for a couple of other things, like
-autoconfiguration and advertising routers.
+auto-configuration and advertising routers.
By default VMs are allowed to send out router solicitation messages (to query
for a router), and to receive router advertisement packets. This allows them to