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force disable IPv6 if IPV6_METHOD = none (#9277)

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* Enhance IPv6 disabling logic in install script

Updated verb_ip6 to check both IPV6_METHOD and DISABLEIPV6 variables. Added disabling for all, default, and loopback interfaces, improved messaging, and redirected sysctl output to /dev/null for cleaner logs.

* Improve IPv6 disabling logic in install scripts

Updated both alpine-install.func and install.func to enhance IPv6 disabling by checking IPV6_METHOD and adding more sysctl settings. Also improved messaging and removed suppression of sysctl output in install.func.
This commit is contained in:
CanbiZ
2025-11-19 16:27:42 +01:00
committed by GitHub
parent 73490605c5
commit 5b39f2931e
2 changed files with 13 additions and 3 deletions
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8
misc/alpine-install.func
View File

@@ -13,10 +13,16 @@ load_functions
verb_ip6() {
set_std_mode # Set STD mode based on VERBOSE
if [ "$DISABLEIPV6" == "yes" ]; then
if [ "$IPV6_METHOD" == "none" ] || [ "$DISABLEIPV6" == "yes" ]; then
msg_info "Disabling IPv6"
$STD sysctl -w net.ipv6.conf.all.disable_ipv6=1
$STD sysctl -w net.ipv6.conf.default.disable_ipv6=1
$STD sysctl -w net.ipv6.conf.lo.disable_ipv6=1
echo "net.ipv6.conf.all.disable_ipv6 = 1" >>/etc/sysctl.conf
echo "net.ipv6.conf.default.disable_ipv6 = 1" >>/etc/sysctl.conf
echo "net.ipv6.conf.lo.disable_ipv6 = 1" >>/etc/sysctl.conf
$STD rc-update add sysctl default
msg_ok "Disabled IPv6"
fi
}

8
misc/install.func
View File

@@ -15,9 +15,13 @@ load_functions
verb_ip6() {
set_std_mode # Set STD mode based on VERBOSE
if [ "$DISABLEIPV6" == "yes" ]; then
echo "net.ipv6.conf.all.disable_ipv6 = 1" >>/etc/sysctl.conf
if [ "$IPV6_METHOD" == "none" ] || [ "$DISABLEIPV6" == "yes" ]; then
msg_info "Disabling IPv6"
$STD echo "net.ipv6.conf.all.disable_ipv6 = 1" >>/etc/sysctl.conf
$STD echo "net.ipv6.conf.default.disable_ipv6 = 1" >>/etc/sysctl.conf
$STD echo "net.ipv6.conf.lo.disable_ipv6 = 1" >>/etc/sysctl.conf
$STD sysctl -p
msg_ok "Disabled IPv6"
fi
}