实战：Linux系统如何禁用IPV6

建站服务器 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@Jakingvsftpd]#vim/etc/sysctl.conf
#sysctlsettingsaredefinedthroughfilesin
#/usr/lib/sysctl.d/,/run/sysctl.d/,and/etc/sysctl.d/.
#
#Vendorssettingslivein/usr/lib/sysctl.d/.
#Tooverrideawholefile,createanewfilewiththesamein
#/etc/sysctl.d/andputnewsettingsthere.Tooverride
#onlyspecificsettings,addafilewithalexicallylater
#namein/etc/sysctl.d/andputnewsettingsthere.
#
#Formoreinformation,seesysctl.conf(5)andsysctl.d(5).
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.default.disable_ipv6=1

[root@Jakingvsftpd]#ifconfig
#IPV6字段inet6fe80::250:56ff:fe22:db62
ens33:flags=4163mtu1500
inet192.168.10.11netmask255.255.255.0broadcast192.168.10.255
inet6fe80::250:56ff:fe22:db62prefixlen64scopeid0x20
ether00:50:56:22:db:62txqueuelen1000(Ethernet)
RXpackets11717bytes4355183(4.1MiB)
RXerrors0dropped0overruns0frame0
TXpackets6943bytes2011730(1.9MiB)
TXerrors0dropped0overruns0carrier0collisions0
lo:flags=73mtu65536
inet127.0.0.1netmask255.0.0.0
inet6::1prefixlen128scopeid0x10looptxqueuelen1(LocalLoopback)
RXpackets112bytes9492(9.2KiB)
RXerrors0dropped0overruns0frame0
TXpackets112bytes9492(9.2KiB)
TXerrors0dropped0overruns0carrier0collisions0
[root@Jakingvsftpd]#sysctl-p#让配置文件立即生效
net.ipv6.conf.all.disable_ipv6=1
net.ipv6.conf.default.disable_ipv6=1
[root@Jakingvsftpd]#ifconfig
#IPV6字段已经消失
ens33:flags=4163mtu1500
inet192.168.10.11netmask255.255.255.0broadcast192.168.10.255
ether00:50:56:22:db:62txqueuelen1000(Ethernet)
RXpackets11747bytes4357703(4.1MiB)
RXerrors0dropped0overruns0frame0
TXpackets6961bytes2014592(1.9MiB)
TXerrors0dropped0overruns0carrier0collisions0
lo:flags=73mtu65536
inet127.0.0.1netmask255.0.0.0
looptxqueuelen1(LocalLoopback)
RXpackets112bytes9492(9.2KiB)
RXerrors0dropped0overruns0frame0
TXpackets112bytes9492(9.2KiB)
TXerrors0dropped0overruns0carrier0collisions0

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