Tune ubuntu for web browsing

In order to tune web browsing on ubuntu we need to make tiny configuration changes ranging from disabling ipv6 to tuning Firefox browser.

Disable IPv6

Open the file "/etc/modprobe.d/aliases" as super user and change the line from

alias net-pf-10 ipv6
alias net-pf-10 off
save the file and close it.

Cache DNS requests

We are going to install a local DNS server to cache first time requests. Subsequent lookups will be resolved locally with out contacting remote DNS server. dnsmasq is a tiny DNS server and it is useful for this purpose. To install dnsmasq execute following command.
sudo apt-get -y install dnsmasq
Open the file /etc/dnsmasq.conf as super user and change the line from
save the file and close it. Open another file /etc/dhcp3/dhclient.conf as super user. Find the following line and uncomment it.
#prepend domain-name-servers;
save the file and close it. Restart the system for changes to take effect.

Firefox Tweaks

  • Install Adblock plus addon to remove unnecessery ads from webpages.
  • Install Fasterfox addon to tweak max simultanious connections, http pipelining, dns caching, web page rendering, etc...


  • Use opendns DNS servers to block malicious urls, and speedup initial lookups. Use opendns "Get Started" guide to congiure your machine or router.


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