If you need to stop your firewall on a Linux Operating system, open your xterm and run command:

setup

Go to Firewall configuration –> Run Tool and  here you can disable your firewall.

firewall-configuration firewall-disabled

To check that the firewall has been disabled, you can run:

iptables -L

How to disable Selinux

SELinux usually causes more problems than advantages. To disable this security extension on a Linux system, you can edit/etc/selinux/config and set SELINUX=disabled

vim /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#       enforcing – SELinux security policy is enforced.
#       permissive – SELinux prints warnings instead of enforcing.
#       disabled – No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these two values:
#       targeted – Targeted processes are protected,
#       mls – Multi Level Security protection.
SELINUXTYPE=targeted

Afterwards we must reboot the system:

  • shutdown -r now
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How to disable Firewall and SELinux
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