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chenshaoju/Disable_IPv6.sh

Created December 28, 2017 12:38
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Disable IPv6 for Android in init.d
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Disable_IPv6.sh
#!/system/bin/sh
#
echo 0 > /proc/sys/net/ipv6/conf/default/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/all/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/wlan0/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/wlan0/disable_ipv6
sleep 3
echo 0 > /proc/sys/net/ipv6/conf/default/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/default/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/all/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/all/disable_ipv6
echo 0 > /proc/sys/net/ipv6/conf/wlan0/accept_ra
echo 1 > /proc/sys/net/ipv6/conf/wlan0/disable_ipv6
exit 0
@mrghosh
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mrghosh commented Oct 28, 2018

Did you find any way to prefer IPv4 over IPv6? I don't want to completely disable IPv6; this is possible in Windows and Linux

@zhaoguomanong
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Did you find any way to prefer IPv4 over IPv6? I don't want to completely disable IPv6; this is possible in Windows and Linux

Hi bro,
Did you find any solutions? I want to prefer ipv4 over v6 on my android device.
just like using: echo "precedence ::ffff:0:0/96 100" >> /etc/gai.conf on Ubuntu.

But I don't know how to achieve that on android.

@loginzabul
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echo 0 |tee /proc/sys/net/ipv6/conf// 2>/dev/null;
echo 1 |tee /proc/sys/net/ipv6/conf//disable_ipv6 2>/dev/null;
echo "";
grep . /proc/sys/net/ipv6/conf//disable_ipv6 2>/dev/null;

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