mateusz@debian:~$ sudo ufw disable
Firewall stopped and disabled on system startup
mateusz@debian:~$ sudo ufw status verbose
Status: inactive
mateusz@debian:~$ sudo ufw enable
ERROR: problem running ufw-init
Mesmo que ocorra um erro, você pode verificar se o ufw está sendo executado.
mateusz@debian:~$ sudo ufw status verbose
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing)
New profiles: skip
To Action From
-- ------ ----
80/tcp ALLOW IN Anywhere
22/tcp ALLOW IN Anywhere
ou
mateusz@debian:~$ sudo service ufw status
[ ok all is running...done.
Você pode facilmente configurar manualmente ENABLED=yes
em ufw config
sudo nano /etc/ufw/ufw.conf
que contém:
# /etc/ufw/ufw.conf
#
# Set to yes to start on boot. If setting this remotely, be sure to add a rule
# to allow your remote connection before starting ufw. Eg: 'ufw allow 22/tcp'
ENABLED=no
# Please use the 'ufw' command to set the loglevel. Eg: 'ufw logging medium'.
# See 'man ufw' for details.
LOGLEVEL=low