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本文简介**
IPv6早在上个世纪90年代,它就已经诞生了。IPv6全称Internet Protocol version 6,是网际协议的最新版本,用作互联网的协议。用它来取代IPv4主要是为了解决IPv4地址枯竭问题,同时它也在其他方面对于IPv4有许多改进。
是否应该“启用或者关闭”IPV6协议并不是一个很容易回答的问题。这就象是一片灰色地带,充满了各种各样的观点。如果你想要关闭的话,这篇可以来学习一下,本文档以实战的形式介绍 Linux 系统如何禁用 IPV6, 文内含长段代码可复制可往左滑,希望对大家有帮助!
环 境
RHEL7.3
更改/etc/sysctl.conf配置文件
[root@liangxu]# 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@liangxu]# 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 0x10 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[root@liangxu]# 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@liangxu]# 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。
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