I wanted to modify the firewall settings, therefore I clicked on System-settings-->Security Level and Firewall.
But after typing the root password; nothing happens.
Then I opened bash shell and typed
Again; after typing the root password no GUI appeared but I got this message on the bash-shell :
Traceback (most recent call last):
File "/usr/share/system-config-securitylevel/system-config-securitylevel.py", line 18, in ?
File "/usr/share/system-config-securitylevel/securitylevel.py", line 453, in stand_alone
File "/usr/share/system-config-securitylevel/securitylevel.py", line 353, in readFile
protoname = socket.getservbyport(int(service), protocol)
socket.error: port/proto not found
Anybody facing the same problem ?