Linux: How to disable the IPv6 protocol
Sometime you just need to disable IPv6 protocol. In some case, you do not need it at all or it may increase browsing speed.
Linux has Internet Protocol Version 6 (IPv6) enabled by default, almost all distro enable it.
Open your modprob.conf file (Red Hat and friends) and add following line:
# vi /etc/modprobe.conf
Add following line:
alias net-pf-10 off
Save and close the file. Reboot the system.
If you are using Debian/Ubuntu linux (thanks to beranger), open file /etc/modprobe.d/aliases
# vi /etc/modprobe.d/aliases
Find the line:
alias net-pf-10 ipv6Replace to
alias net-pf-10 off
alias ipv6 off
Save and reboot the system. IPv6 support should now be disabled and it did improve my DNS performance. Also you can install DNS proxy - to improve DNS performance and squid caching server.
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You may also be interested in other helpful articles:
- Understanding the IPv6 (Internet Protocol, version 6)
- Lighttpd: Enable IPv6 Support
- Linux IPv6 Default Route Not Working
- How To Secure Home Wi-Fi ( Wireless ) Network
- Lighttpd Control a Directory Listing With mod_dirlisting
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