Filter Rule Definition
There are 2 freely available utilities that can be used to define and administer
the firewall's filter rules.
They are both GUI-based applications that run on
the desktop, and provide a good way to keep track of the firewall's configuration.
Go to the Links page to visit the
It is of course possible to manually configure the firewall rules.
To do so, complete the following 3 steps:
Open \MPTN\ETC\SECURITY\FWFILTRS.CNF in an editor.
For the format of the rules go here
Rules are entered one per line, with a single space between each field.
When you have finished entering rules and have saved the configuration, open an OS/2
window and type the following command:
This will update the filter rules. If any of your rules use logging, you will need to
include the -d flag on the above command.
To check that your rules are correct, run
cfgfilt with no parameters. The rules should
now all be listed and numbered.
Notice that the last rule in the list is always the firewall's
default 'deny all packets' rule.
To find out more about how FWIP.SYS operates
Now go to Example Rules