[PR #1305] [MERGED] Fix/acl for forward #13477

New Issue

saavagebueno · 2026-08-05T02:08:33-04:00

saavagebueno commented

2026-08-05 02:08:33 -04:00

📋 Pull Request Information

Original PR: https://github.com/netbirdio/netbird/pull/1305
Author: @pappz
Created: 11/13/2023
Status: ✅ Merged
Merged: 12/8/2023
Merged by: @pappz

Base: main ← Head: fix/acl-for-forward

📝 Commits (10+)

7ac3f98 Replace input, output to pre-post-routing
393bc37 Set chain type to nat
2700f7e Revert change and remove IPv6
d2efff1 Refactor input/output logic
57019dd Rename tables and chains
a1864dd Fix interface names in fwd chain
820c72d Simplify the table check
227017b Error handling
2202237 Restriction for NetBird address in fwd chain
12c8de7 Try to fix fwd policy

📊 Changes

50 files changed (+3699 additions, -3606 deletions)

View changed files

➕ client/firewall/create.go (+32 -0)
➕ client/firewall/create_linux.go (+107 -0)
➕ client/firewall/iface.go (+11 -0)
➕ client/firewall/iptables/acl_linux.go (+473 -0)
📝 client/firewall/iptables/manager_linux.go (+76 -399)
📝 client/firewall/iptables/manager_linux_test.go (+50 -32)
➕ client/firewall/iptables/router_linux.go (+340 -0)
➕ client/firewall/iptables/router_linux_test.go (+229 -0)
📝 client/firewall/iptables/rule.go (+1 -2)
➕ client/firewall/iptables/rulestore_linux.go (+50 -0)
📝 client/firewall/manager/firewall.go (+23 -6)
📝 client/firewall/manager/port.go (+1 -1)
➕ client/firewall/manager/routerpair.go (+18 -0)
➕ client/firewall/nftables/acl_linux.go (+1121 -0)
➕ client/firewall/nftables/ipsetstore_linux.go (+85 -0)
📝 client/firewall/nftables/manager_linux.go (+81 -694)
📝 client/firewall/nftables/manager_linux_test.go (+12 -16)
➕ client/firewall/nftables/route_linux.go (+413 -0)
➕ client/firewall/nftables/router_linux_test.go (+280 -0)
📝 client/firewall/nftables/rule_linux.go (+4 -3)

...and 30 more files

📄 Description

Describe your changes

Enforce the ACL rules for routed traffic.

Because under the hood the firewall rules depend from the route rules the two logic has been merged into the firewall package.

fix cleanup routine in iptables and nftables
refactor the nftables/iptables logic. (start to use prerouting and mangle table)
remove IPv6 related codes because it is unused
remove unused codes, variables, structures

Issue ticket number and link

Checklist

Is it a bug fix
Is a typo/documentation fix
Is a feature enhancement
It is a refactor
Created tests that fail without the change (if possible)
Extended the README / documentation, if necessary

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/netbirdio/netbird/pull/1305 **Author:** [@pappz](https://github.com/pappz) **Created:** 11/13/2023 **Status:** ✅ Merged **Merged:** 12/8/2023 **Merged by:** [@pappz](https://github.com/pappz) **Base:** `main` ← **Head:** `fix/acl-for-forward` --- ### 📝 Commits (10+) - [`7ac3f98`](https://github.com/netbirdio/netbird/commit/7ac3f987a6e6dd980a95367f27898a53ce1ef801) Replace input, output to pre-post-routing - [`393bc37`](https://github.com/netbirdio/netbird/commit/393bc37bdeefd5137def0586bf8433fd56f2cdae) Set chain type to nat - [`2700f7e`](https://github.com/netbirdio/netbird/commit/2700f7e82eb31c5bd6768e7cdf7b382741a09ea6) Revert change and remove IPv6 - [`d2efff1`](https://github.com/netbirdio/netbird/commit/d2efff1a49336d799bf3b131a10ae395b94b4b85) Refactor input/output logic - [`57019dd`](https://github.com/netbirdio/netbird/commit/57019dd502ce6587c3d0fa431c519b622dc4b2a4) Rename tables and chains - [`a1864dd`](https://github.com/netbirdio/netbird/commit/a1864ddeb8ad637b445aea63d0d53ae0593f3a9d) Fix interface names in fwd chain - [`820c72d`](https://github.com/netbirdio/netbird/commit/820c72def3f6ebd71f5a0b5276c39081ff7aa12b) Simplify the table check - [`227017b`](https://github.com/netbirdio/netbird/commit/227017bfa5fcfd1b2f487780ed1c2061602ac834) Error handling - [`2202237`](https://github.com/netbirdio/netbird/commit/22022370a48a07f4fd28b962e93b87a739f7c553) Restriction for NetBird address in fwd chain - [`12c8de7`](https://github.com/netbirdio/netbird/commit/12c8de7e2e173602872cd5460262abd01db0ecbf) Try to fix fwd policy ### 📊 Changes **50 files changed** (+3699 additions, -3606 deletions) <details> <summary>View changed files</summary> ➕ `client/firewall/create.go` (+32 -0) ➕ `client/firewall/create_linux.go` (+107 -0) ➕ `client/firewall/iface.go` (+11 -0) ➕ `client/firewall/iptables/acl_linux.go` (+473 -0) 📝 `client/firewall/iptables/manager_linux.go` (+76 -399) 📝 `client/firewall/iptables/manager_linux_test.go` (+50 -32) ➕ `client/firewall/iptables/router_linux.go` (+340 -0) ➕ `client/firewall/iptables/router_linux_test.go` (+229 -0) 📝 `client/firewall/iptables/rule.go` (+1 -2) ➕ `client/firewall/iptables/rulestore_linux.go` (+50 -0) 📝 `client/firewall/manager/firewall.go` (+23 -6) 📝 `client/firewall/manager/port.go` (+1 -1) ➕ `client/firewall/manager/routerpair.go` (+18 -0) ➕ `client/firewall/nftables/acl_linux.go` (+1121 -0) ➕ `client/firewall/nftables/ipsetstore_linux.go` (+85 -0) 📝 `client/firewall/nftables/manager_linux.go` (+81 -694) 📝 `client/firewall/nftables/manager_linux_test.go` (+12 -16) ➕ `client/firewall/nftables/route_linux.go` (+413 -0) ➕ `client/firewall/nftables/router_linux_test.go` (+280 -0) 📝 `client/firewall/nftables/rule_linux.go` (+4 -3) _...and 30 more files_ </details> ### 📄 Description ## Describe your changes Enforce the ACL rules for routed traffic. Because under the hood the firewall rules depend from the route rules the two logic has been merged into the firewall package. - fix cleanup routine in iptables and nftables - refactor the nftables/iptables logic. (start to use prerouting and mangle table) - remove IPv6 related codes because it is unused - remove unused codes, variables, structures ## Issue ticket number and link ### Checklist - [x] Is it a bug fix - [ ] Is a typo/documentation fix - [ ] Is a feature enhancement - [x] It is a refactor - [ ] Created tests that fail without the change (if possible) - [ ] Extended the README / documentation, if necessary --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

saavagebueno added the pull-request label 2026-08-05 02:08:33 -04:00

saavagebueno closed this issue

2026-08-05 02:08:34 -04:00

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Reference: DYNR/netbird#13477