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firewall|nat rules.
(cherry picked from commit 3c0634e572ffdecaf24a9dac16678427f22761ab)
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This is a combined backport for all accumulated changes done to the firewall
subsystem on the current branch.
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We will use _ as CLI level divider. The XML definition filename and also
the Python helper should match the CLI node.
Example:
set interfaces ethernet -> interfaces_ethernet.xml.in
set interfaces bond -> interfaces_bond.xml.in
set service dhcp-server -> service_dhcp-server-xml.in
(cherry picked from commit 4ef110fd2c501b718344c72d495ad7e16d2bd465)
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node_changed() will return a list of changed keys under "path". We are not
always interested what changed, sometimes we are only interested if something
changed at all, that what vyos.configdict.is_node_changed() is for.
(cherry picked from commit 5e7a8288d06a6d6beee5e1abd2e06698ab778650)
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parsing, and migration to valueless node for log and state matchers
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firewal, nat and nat66.
(cherry picked from commit 51abbc0f1b2ccf4785cf7f29f1fe6f4af6007ee6)
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firewall: T3509: Add support for IPv6 reverse path filtering
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interface-name or interface-group
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firewall ipv6 name ...> . Also fix some unexpected behaviour with geoip.
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scripts and src firewall
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* T5195: move run, cmd, call, rc_cmd helper to vyos.utils.process
* T5195: use read_file and write_file implementation from vyos.utils.file
Changed code automatically using:
find . -type f -not -path '*/\.*' -exec sed -i 's/^from vyos.util import read_file$/from vyos.utils.file import read_file/g' {} +
find . -type f -not -path '*/\.*' -exec sed -i 's/^from vyos.util import write_file$/from vyos.utils.file import write_file/g' {} +
* T5195: move chmod* helpers to vyos.utils.permission
* T5195: use colon_separated_to_dict from vyos.utils.dict
* T5195: move is_systemd_service_* to vyos.utils.process
* T5195: fix boot issues with missing imports
* T5195: move dict_search_* helpers to vyos.utils.dict
* T5195: move network helpers to vyos.utils.network
* T5195: move commit_* helpers to vyos.utils.commit
* T5195: move user I/O helpers to vyos.utils.io
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We cannot use both 'port' and 'port-group' for the same direction
in one rule at the same time
Otherwise it generates wrong rules that don't block anything
set P_pgrp {
type inet_service
flags interval
auto-merge
elements = { 101-105 }
}
chain NAME_foo {
tcp dport 22 tcp dport @P_pgrp counter drop comment "foo-10"
counter return comment "foo default-action accept"
}
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T4780: Firewall: add firewall groups in firewall. Extend matching cri…
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firewall: T478: Fix firewall group circular dependency check
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so this new group can be used in inbound and outbound matcher
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`fqdn` node
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firewall node
* Refactor firewall and zone-policy rule creation and cleanup
* Migrate interface firewall values to `firewall interfaces <name> <direction> name/ipv6-name <name>`
* Remove `firewall-interface.py` conf script
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This extends the implementation of commit 0cc7e0a49094 ("firewall: T4655: Fix
default action 'drop' for the firewall") in a way that we can now also use the
XML <defaultValue> node under "firewall name" and "firewall ipv6-name". This
is a much cleaner approach which also adds the default value automatically to
the CLIs completion helper ("?").
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* Refactor nftables clean-up code
* Adds policy route test for using firewall groups
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firewall: T478: Add support for nesting groups
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It can be more then 5 symbols in top-level-domain address
for example '.photography' and '.accountants'
Firewall group can be added without address:
* set firewall group domain-group DOMAIN
Check if 'address' exists in group_config
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Domain group allows to filter addresses by domain main
Resolved addresses as elements are stored to named "nft set"
that used in the nftables rules
Also added a dynamic "resolver" systemd daemon
vyos-domain-group-resolve.service which starts python script
for the domain-group addresses resolving by timeout 300 sec
set firewall group domain-group DOMAINS address 'example.com'
set firewall group domain-group DOMAINS address 'example.org'
set firewall name FOO rule 10 action 'drop'
set firewall name FOO rule 10 source group domain-group 'DOMAINS'
set interfaces ethernet eth0 firewall local name 'FOO'
nft list table ip filter
table ip filter {
set DOMAINS {
type ipv4_addr
flags interval
elements = { 192.0.2.1, 192.0.2.85,
203.0.113.55, 203.0.113.58 }
}
chain NAME_FOO {
ip saddr @DOMAINS counter packets 0 bytes 0 drop comment "FOO-10"
counter packets 0 bytes 0 return comment "FOO default-action accept"
}
}
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