Shulou(Shulou.com)06/02 Report--

This document describes how to disable IPV6 in Linux systems in the form of practice. The operating system used is RHEL7.3 change / etc/sysctl.conf configuration file [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 Field 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 # make the configuration file effective immediately net.ipv6.conf.all.disable_ipv6 = 1net.ipv6.conf.default.disable_ipv6 = 1 [root@Jaking vsftpd ] # ifconfig # IPV6 field has disappeared 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 Summary

The above is how to disable IPV6 in Linux system. I hope it can help you.

Original address: https://www.linuxprobe.com/linux-forbidden-ipv6.html

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.