that is true … but do you need outbound protection?
yes i know, we have debated that several times in several topics in here

http://www.howtogeek.com/172349/why-you-dont-need-an-outbound-firewall-on-your-laptop-or-desktop-pc/
http://www.howtogeek.com/165203/why-you-dont-need-to-install-a-third-party-firewall-and-when-you-do/