
EDFA optical amplifier – user manual
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9.4
FIREWALL
The FIREWALL is running on the CLA permanently and all communication is
disabled. To make the changes the firewall configuration file shall be used:
/etc/czech-light/firewall.conf
The file contains simple table with IP addresses which allow communication
with the CLA only via Ethernet 0 (eth0).
NOTE: the attribute “#“ means commentary
9.5
FIREWALL START
After firewall configuration enable firewall system with help command
/etc/init.d/firewall start
9.6
FIREWALL STOP
In some cases is important stop firewall. For example in the case where user
set firewall with bad configuration and after this configuration he can`t connect to
the CLA. For stopping the firewall system use following command
/etc/init.d/firewall stop
9.7
CLA Admin
The CLA Admin is console for configuration of the EDFA unit. For running type
command:
cla-admin