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[bug#49540] [PATCH 1/2] services: nftables: Only manage delete our own t
From: |
Brice Waegeneire |
Subject: |
[bug#49540] [PATCH 1/2] services: nftables: Only manage delete our own table. |
Date: |
Mon, 12 Jul 2021 23:08:22 +0200 |
* gnu/services/networking.scm (%default-nftables-ruleset): Rename table
from "forward" to "guix". Clear table before applying before setting
it up.
(nftables-shepherd-service): Don't flush all the table, just delete our
own.
---
gnu/services/networking.scm | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index 1ae58041d3..3058c14caf 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -13,7 +13,7 @@
;;; Copyright © 2019, 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2019 Sou Bunnbu <iyzsong@member.fsf.org>
;;; Copyright © 2019 Alex Griffin <a@ajgrf.com>
-;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
+;;; Copyright © 2020, 2021 Brice Waegeneire <brice@waegenei.re>
;;; Copyright © 2021 Oleg Pykhalov <go.wigust@gmail.com>
;;; Copyright © 2021 Christopher Lemmer Webber <cwebber@dustycloud.org>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
@@ -1717,7 +1717,12 @@ COMMIT
(define %default-nftables-ruleset
(plain-file "nftables.conf"
"# A simple and safe firewall
-table inet filter {
+
+# Start with our table clean of previous state
+add table inet guix
+delete table inet guix
+
+table inet guix {
chain input {
type filter hook input priority 0; policy drop;
@@ -1768,7 +1773,7 @@ table inet filter {
(start #~(lambda _
(invoke #$nft "--file" #$ruleset)))
(stop #~(lambda _
- (invoke #$nft "flush" "ruleset"))))))))
+ (invoke #$nft "delete" "table" "inet" "guix"))))))))
(define nftables-service-type
(service-type
--
2.31.1