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2023-11-24T5775: firewall: re-add state-policy to firewall. These commands are now ↵Nicolas Fort
included in <set firewall global-options state-policy> node.
2023-11-22T5637: firewall: extend rule for default-action to firewall bridge, in order ↵Nicolas Fort
to be able to catch logs using separte rule for default-action
2023-10-19Merge pull request #2362 from nicolas-fort/T5541Christian Breunig
T5541: firewall zone: re add firewall zone-base firewall
2023-10-13T5541: firewall zone: re add firewall zone-base firewallNicolas Fort
2023-10-06T5637: add new rule at the end of base chains for default-actions. This ↵Nicolas Fort
enables log capabilities for default-action in base chains. And of course, add option for enabling log for default-action
2023-09-19bridge: T4072: Prevent error when removing firewall bridge configsarthurdev
A commit that removes `firewall bridge` will delete the table and not re-create it. Therefore any further firewall commit will fail trying to delete the non-existent bridge table. This commit ensures the table is always present (even if empty) to ensure successful commit.
2023-09-19firewall: T4502: Update to flowtable CLIsarthurdev
`set firewall flowtable <name> interface <ifname>` `set firewall flowtable <name> offload [software|hardware]` `set firewall [ipv4|ipv6] forward filter rule N action offload` `set firewall [ipv4|ipv6] forward filter rule N offload-target <name>`
2023-09-16conntrack: T5571: Refactor conntrack to be independent conf script from ↵sarthurdev
firewall, nat, nat66
2023-09-15T4502: Fix syntax error introduced by #2062Yuxiang Zhu
When rebasing https://github.com/vyos/vyos-1x/pull/2062, some additional lines are mistakenly included. https://github.com/vyos/vyos-1x/commit/45cfd569119b66abd2f0dfb954042b57921881bd has removed the extra `}`, but the `{{ group_tmpl.groups(group, True) }}` line needs to be removed as well.
2023-09-15firewall: T4502: fix syntax error unexpected '}'Christian Breunig
2023-09-14Merge pull request #2062 from vfreex/simple-fastpath-supportViacheslav Hletenko
T4502: firewall: Add software flow offload using flowtable
2023-09-11T3655: Fix NAT problem with VRFYuxiang Zhu
Linux netfilter patch https://patchwork.ozlabs.org/project/netfilter-devel/patch/d0f84a97f9c86bec4d537536a26d0150873e640d.1439559328.git.daniel@iogearbox.net/ adds direction support for conntrack zones, which makes it possible to do NAT with conflicting IP address/port tuples from multiple, isolated tenants on a host. According to the description of the kernel patch: > ... overlapping tuples can be made unique with the zone identifier in original direction, where the NAT engine will then allocate a unique tuple in the commonly shared default zone for the reply direction. I did some basic tests in my lab and it worked fine to forward packets from eth0 to pppoe0. - eth0 192.168.1.1/24 in VRF red - pppoe0 dynamic public IP from ISP VRF default - set vrf name red protocols static route 0.0.0.0/0 interface pppoe0 vrf 'default' - set protocols static route 192.168.1.0/24 interface eth0 vrf 'red' `conntrack -L` shows something like: ``` tcp 6 113 ESTABLISHED src=192.168.1.2 dst=1.1.1.1 sport=58946 dport=80 zone-orig=250 packets=6 bytes=391 src=1.1.1.1 dst=<my-public-ip> sport=80 dport=58946 packets=4 bytes=602 [ASSURED] mark=0 helper=tns use=1 ``` It would be much appreciated if someone could test this with more complex VRF setup.
2023-09-09T4502: firewall: Add software flow offload using flowtableYuxiang Zhu
The following commands will enable nftables flowtable offload on interfaces eth0 eth1: ``` set firewall global-options flow-offload software interface <name> set firewall global-options flow-offload hardware interface <name> ``` Generated nftables rules: ``` table inet vyos_offload { flowtable VYOS_FLOWTABLE_software { hook ingress priority filter - 1; devices = { eth0, eth1, eth2, eth3 }; counter } chain VYOS_OFFLOAD_software { type filter hook forward priority filter - 1; policy accept; ct state { established, related } meta l4proto { tcp, udp } flow add @VYOS_FLOWTABLE_software } } ``` Use this option to count packets and bytes for each offloaded flow: ``` set system conntrack flow-accounting ``` To verify a connection is offloaded, run ``` cat /proc/net/nf_conntrack|grep OFFLOAD ``` This PR follows firewalld's implementation: https://github.com/firewalld/firewalld/blob/e748b97787d685d0ca93f58e8d4292e87d3f0da6/src/firewall/core/nftables.py#L590 A good introduction to nftables flowtable: https://thermalcircle.de/doku.php?id=blog:linux:flowtables_1_a_netfilter_nftables_fastpath
2023-09-08Merge pull request #2222 from nicolas-fort/T4072-fwall-bridgeChristian Breunig
T4072: add firewall bridge filtering.
2023-09-07T4072: add firewall bridge filtering. First implementation only applies for ↵Nicolas Fort
forward chain and few matchers. Should be extended in the future.
2023-09-05firewall: T3509: Split IPv4 and IPv6 reverse path filtering like on interfacessarthurdev
2023-09-05interface: T5550: Interface source-validation priority over global valuesarthurdev
- Migrate IPv4 source-validation to nftables - Interface source-validation value takes priority, fallback to global value
2023-08-26firewall: T5080: Disable conntrack unless required by rulessarthurdev
2023-08-25firewall: T5160: Remove unused zone templatesarthurdev
2023-08-25interface: T3509: Add per-interface IPv6 source validationsarthurdev
2023-08-25firewall: T3509: Add support for IPv6 return path filteringsarthurdev
2023-08-11T5160: firewall refactor: move <set firewall ipv6 ipv6-name ...> to <set ↵Nicolas Fort
firewall ipv6 name ...> . Also fix some unexpected behaviour with geoip.
2023-08-11T5160: firewall refactor: fix firewall template for correct rule parsing ↵Nicolas Fort
that contains fqnd and/or geo-ip in base chains. Fix mig script
2023-08-11T5160: firewall refactor: change firewall ip to firewall ipv4Nicolas Fort
2023-08-11T5160: firewall refactor: new cli structure. Update jinja templates, python ↵Nicolas Fort
scripts and src firewall
2023-07-03T5333: Set prefix UD for PBR generated user-defined chain namesViacheslav Hletenko
We cannot use some specific names like POSTROUTING/PREROUTING as for PBR they overlaps with VyOS defined chains Chains aftoconfigured by VyOS itself: chain VYOS_PBR_PREROUTING chain VYOS_PBR_POSTROUTING If we try to use chain name "POSTROUTING" it generates 2 chains with the same name "chain VYOS_PBR_POSTROUTING" one is autoconfigured and the second defined by user set policy route POSTROUTING rule 100 Add the user-defined (UD) prefix to separate user defined names That allows to use any user-defined names
2023-03-31T5128: Policy Route: allow wildcard on interfaceNicolas Fort
2022-12-17Merge pull request #1626 from nicolas-fort/fwall_group_interfaceChristian Poessinger
T4780: Firewall: add firewall groups in firewall. Extend matching cri…
2022-11-19T4780: Firewall: add firewall groups in firewall. Extend matching criteria ↵Nicolas Fort
so this new group can be used in inbound and outbound matcher
2022-11-11policy: T2199: T4605: Migrate policy route interface to `policy route|route6 ↵sarthurdev
<name> interface <ifname>` * Include refactor to policy route to allow for deletion of mangle table instead of complex cleanup * T4605: Rename mangle table to vyos_mangle
2022-11-03nat: T1877: T970: Add firewall groups to NATsarthurdev
2022-11-03firewall: T970: Refactor domain resolver, add firewall source/destination ↵sarthurdev
`fqdn` node
2022-10-25nat: T4764: Remove tables on NAT deletionsarthurdev
2022-10-10firewall: T4741: Verify zone `from` is defined before usesarthurdev
2022-10-09firewall: T3907: Fix firewall state-policy loggingsarthurdev
When log-level was introduced node `state-policy x log` was removed without migrator. This commit adds it back and improves log handling.
2022-09-21nat: T4605: Refactor static NAT to use python module for parsing rulessarthurdev
* Rename table to vyos_nat * Add static NAT smoketest
2022-09-21nat66: T4605: Refactor NAT66 to use python module for parsing rulessarthurdev
* Rename table to vyos_nat * Refactor tests to use `verify_nftables` format
2022-09-21nat: T4605: Refactor NAT to use python module for parsing rulessarthurdev
* Rename table to vyos_nat * Refactor tests to use `verify_nftables` format
2022-09-17Merge pull request #1546 from nicolas-fort/fwall-jumpChristian Poessinger
T4699: Firewall: Add jump action in firewall ruleset
2022-09-16firewall: T2199: enable "auto-merge" on setsChristian Poessinger
vyos@vyos# show firewall +name foo { + rule 1 { + action accept + packet-length 100 + packet-length 105 + packet-length 200-300 + packet-length 220-250 + } +} will report a nftables error upon load: Error: conflicting intervals specified With nftables 1.0.3 there is an "auto-merge" option which corrects this: https://lwn.net/Articles/896732/
2022-09-16T4699: Firewall: Add jump action in firewall rulestNicolas Fort
2022-09-13zone-policy: T2199: Migrate zone-policy to firewall nodesarthurdev
2022-09-13firewall: T4605: Rename filter tables to vyos_filtersarthurdev
2022-09-13firewall: T2199: Move initial firewall tables to datasarthurdev
2022-09-13firewall: T2199: Refactor firewall + zone-policy, move interfaces under ↵sarthurdev
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
2022-09-01Merge pull request #1466 from sever-sever/T538Christian Poessinger
nat: T538: Add static NAT one-to-one
2022-09-01policy-route: T4655: Remove default_action from templateViacheslav Hletenko
Remove `default_action` from template "nftables-policy" as XML policy route does not use it Set default action 'accept' for policy route, as default action 'drop' must be used only for firewall and not related to the policy route
2022-08-31nat: T538: Move nat configs to /run directoryViacheslav Hletenko
2022-08-20nat66: T4631: Add port and protocol to nat66Viacheslav Hletenko
Ability to configure src/dst/translation port and protocol for SNAT and DNAT IPv6
2022-08-19UPnP: T4611: Rule must be as prefix instead of an addressViacheslav Hletenko
From the doc miniupnpd IP/mask format must be nnn.nnn.nnn.nnn/nn Comment out invalid option "anchor"