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实战：Linux 系统如何禁用 IPV6

发表于：2026-11-01 作者：千家信息网编辑

千家信息网最后更新 2026年11月01日，本文档以实战的形式介绍 Linux 系统如何禁用 IPV6, 使用的操纵系统是 RHEL7.3更改/etc/sysctl.conf配置文件[root@Jaking vsftpd]# vim /etc/

千家信息网最后更新 2026年11月01日实战：Linux 系统如何禁用 IPV6

本文档以实战的形式介绍 Linux 系统如何禁用 IPV6, 使用的操纵系统是 RHEL7.3

更改/etc/sysctl.conf配置文件

[root@Jaking vsftpd]# vim /etc/sysctl.conf # sysctl settings are defined through files in# /usr/lib/sysctl.d/, /run/sysctl.d/, and /etc/sysctl.d/.## Vendors settings live in /usr/lib/sysctl.d/.# To override a whole file, create a new file with the same in# /etc/sysctl.d/ and put new settings there. To override# only specific settings, add a file with a lexically later# name in /etc/sysctl.d/ and put new settings there.## For more information, see sysctl.conf(5) and sysctl.d(5).net.ipv6.conf.all.disable_ipv6 = 1net.ipv6.conf.default.disable_ipv6 = 1                                              [root@Jaking vsftpd]# ifconfig# IPV6 字段 inet6 fe80::250:56ff:fe22:db62ens33: flags=4163mtu 1500        inet 192.168.10.11  netmask 255.255.255.0  broadcast 192.168.10.255        inet6 fe80::250:56ff:fe22:db62  prefixlen 64  scopeid 0x20        ether 00:50:56:22:db:62  txqueuelen 1000  (Ethernet)        RX packets 11717  bytes 4355183 (4.1 MiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 6943  bytes 2011730 (1.9 MiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0lo: flags=73mtu 65536        inet 127.0.0.1  netmask 255.0.0.0        inet6 ::1  prefixlen 128  scopeid 0x10loop  txqueuelen 1  (Local Loopback)        RX packets 112  bytes 9492 (9.2 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 112  bytes 9492 (9.2 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0[root@Jaking vsftpd]# sysctl -p  #让配置文件立即生效net.ipv6.conf.all.disable_ipv6 = 1net.ipv6.conf.default.disable_ipv6 = 1[root@Jaking vsftpd]# ifconfig # IPV6 字段已经消失ens33: flags=4163mtu 1500        inet 192.168.10.11  netmask 255.255.255.0  broadcast 192.168.10.255        ether 00:50:56:22:db:62  txqueuelen 1000  (Ethernet)        RX packets 11747  bytes 4357703 (4.1 MiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 6961  bytes 2014592 (1.9 MiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0lo: flags=73mtu 65536        inet 127.0.0.1  netmask 255.0.0.0        loop  txqueuelen 1  (Local Loopback)        RX packets 112  bytes 9492 (9.2 KiB)        RX errors 0  dropped 0  overruns 0  frame 0        TX packets 112  bytes 9492 (9.2 KiB)        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

总结

以上就是 Linux 系统如何禁用 IPV6 的方法，希望能给大家带来帮助。

原文地址： https://www.linuxprobe.com/linux-forbidden-ipv6.html

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