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Instruction Manual
111
Modem initialization strings•
To override the standard modem initialization string either use the
Management Console or the command line config tool
Enabling Boot Messages on the Console•
If you are not using a modem on the DB9 console port and instead
wish to connect to it directly via a Null Modem cable you may want to
enable verbose mode allowing you to see the standard linux start-up
messages. This can be achieved with the following commands:
#/bin/cong--set=cong.console.debug=on
#/bin/cong--run=console
#reboot
If at some point in the future you chose to connect a modem for dial-
in out-of-band access the procedure can be reversed with the
following commands.
#/bin/cong--del=cong.console.debug
#/bin/cong--run=console
#reboot
IP - Filtering
Standard IP-Filter configuration:
The system uses the iptables utility to provide a stateful firewall of LAN
traffic. By default, rules are automatically inserted to allow access to
enabled services, and serial port access via enabled protocols. The com-
mands which add these rules are contained in configuration files.
/etc/config/ipfilter
This is an executable shell script which is run whenever the LAN interface
is brought up and whenever modifications are made to the iptables con-
figuration as a result of CGI actions or the config command line tool.