Debian开启和关闭Ipv6的方法
检查系统是否有加载ipv6内核
lsmod | grep ipv6
返回类似下面的数据，则表示加载了ipv6内核
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nf_reject_ipv6 16384 1 ip6t_REJECT
nf_log_ipv6 16384 5
nf_conntrack_ipv6 20480 8
nf_defrag_ipv6 16384 1 nf_conntrack_ipv6
nf_log_common 16384 2 nf_log_ipv6,nf_log_ipv4
nf_conntrack 114688 8 nf_conntrack_ipv6,nf_conntrack_ftp,nf_conntrack_ipv4,nf_conntrack_broadcast,nf_nat_ftp,nf_conntrack_netbios_ns,xt_conntrack,nf_nat
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检查是否有ipv6地址
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ifconfig
ip address list
netstat -anptl
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临时关闭ipv6的命令
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sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
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临时开启ipv6命令
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sysctl -w net.ipv6.conf.all.disable_ipv6=0
sysctl -w net.ipv6.conf.default.disable_ipv6=0
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永久关闭系统ipv6
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echo " ">>/etc/sysctl.conf
echo "# made for disabled IPv6 in $(date +%F)">>/etc/sysctl.conf
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
tail -5 /etc/sysctl.conf
sysctl -p
netstat -anptl
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或者编辑系统内核配置文件
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vi /etc/sysctl.conf //编辑系统内核文件，添加以下代码
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
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永久开启系统的ipv6，把上面代码的1改为0即可。。。
查看系统ipv6状态命令
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cat /proc/sys/net/ipv6/conf/all/disable_ipv6
cat /proc/sys/net/ipv6/conf/default/disable_ipv6
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返回0表示启用，1则表示禁用ipv6
转自：https://www.vpslala.com/t/445
Carpe Diem and Do what I like
Comments | NOTHING