backup: clarify that CLI means FS-level and highlight retention-note

[pve-docs.git] / pve-firewall-rules-opts.adoc

`--dest` `<string>` ::

Restrict packet destination address. This can refer to a single IP address, an IP set ('+ipsetname') or an IP alias definition. You can also specify an address range like '20.34.101.207-201.3.9.99', or a list of IP addresses and networks (entries are separated by comma). Please do not mix IPv4 and IPv6 addresses inside such lists.

`--dport` `<string>` ::

Restrict TCP/UDP destination port. You can use service names or simple numbers (0-65535), as defined in '/etc/services'. Port ranges can be specified with '\d+:\d+', for example '80:85', and you can use comma separated list to match several ports or ranges.

`--icmp-type` `<string>` ::

Specify icmp-type. Only valid if proto equals 'icmp'.

`--iface` `<string>` ::

Network interface name. You have to use network configuration key names for VMs and containers ('net\d+'). Host related rules can use arbitrary strings.

`--log` `<alert | crit | debug | emerg | err | info | nolog | notice | warning>` ::

Log level for firewall rule.

`--proto` `<string>` ::

IP protocol. You can use protocol names ('tcp'/'udp') or simple numbers, as defined in '/etc/protocols'.

`--source` `<string>` ::

Restrict packet source address. This can refer to a single IP address, an IP set ('+ipsetname') or an IP alias definition. You can also specify an address range like '20.34.101.207-201.3.9.99', or a list of IP addresses and networks (entries are separated by comma). Please do not mix IPv4 and IPv6 addresses inside such lists.

`--sport` `<string>` ::

Restrict TCP/UDP source port. You can use service names or simple numbers (0-65535), as defined in '/etc/services'. Port ranges can be specified with '\d+:\d+', for example '80:85', and you can use comma separated list to match several ports or ranges.