mkdir gufw cd gufw wget https://launchpad.net/gui-ufw/gufw-15.04/15.04/+download/gui-ufw-15.04.4.tar.gz tar -xvf gui-ufw-15.*.tar.gz cd gui-ufw-15.10.0/ echo '[home_zhonghuaren] name=RPM Sphere (Fedora_21) type=rpm-md baseurl=http://download.opensuse.org/repositories/home:/zhonghuaren/Fedora_21/ gpgcheck=1 gpgkey=http://download.opensuse.org/repositories/home:/zhonghuaren/Fedora_21/repodata/repomd.xml.key enabled=1' > /etc/yum.repos.d/zhonghuaren_suse_gufw.repo yum install ufw systemctl enable ufw systemctl start ufw chkconfig ufw on ufw enable ufw status ufw default deny incoming ufw default allow outgoing #ufw default deny outgoing 1 yum install webkitgtk3 gnome-icon-theme-symbolic python-distutils-extra gtk2 gtk3 gtk2-devel gtk3-devel python-netifaces intltool python setup.py install --prefix=/usr systemctl disable firewalld systemctl stop firewalld chkconfig firewalld off #(optional) yum remove firewalld firewall-config firewall-applet 3 http://pantestmb.blogspot.com/2013/04/fedora-18-disable-firewalld-install.html 2 http://translate.google.com/translate?hl=en&sl=es&u=http://heperdidolarazon.neq3.com/%3Fp%3D332&prev=search 1 https://www.digitalocean.com/community/tutorials/how-to-setup-a-firewall-with-ufw-on-an-ubuntu-and-debian-cloud-server