Step 5: Protect Completepbx Against Unauthorized Access; Change The Linux Password; Ip Protection; Intrusion Detection (Fail2Ban) And Firewall - Xorcom CXR1000 Getting Started Manual

a) From a computer's Internet browser enter the CXR1000 IP address (for example
http://192.168.0.64).
b) You will be prompted to define a password for "administrator". Once you define a password
you will be able to connect to the web interface as user admin with password that you defined.
Now you can modify your CXR1000 CompletePBX configuration.
The CompletePBX Reference Guide

Step 5: Protect CompletePBX Against Unauthorized Access

Once you have fully configured CompletePBX we highly recommend that you use the following
procedures and applications supported in CompletePBX to protect it against unauthorized access:

Change the Linux Password

The password for the Linux root user can be changed by using the Linux

IP Protection

CompletePBX must be installed on a protected LAN and must not be directly connected to the
public Internet. The LAN must be protected by a Firewall/NAT router.

Intrusion Detection (fail2ban) and Firewall

In order to maximize protection from external threats, the fail2ban process is activated, in addition
to the internal firewall. Use the Admin|Security|Firewall and Admin|Security|Intrusion Detection
dialogs to modify the internal firewall and intrusion detection settings.

Unit Status LED (Light Emitting Diode) Indicators

The CXR1000 is equipped with varying LED indicators on the front panel, depending on the
model.

Digital (BRI ISDN) CXR1000 Models

Digital CXR1000 models (models that have at least one digital ISDN BRI PSTN port) have a
vertical array of four status indicators on the left side of the front panel (Fig 2).
Fig. 2 – BRI Panel (allows additional 8 FXS or 8 FXO ports)
LED Label Indication
PHONE This yellow LED indicates that the CXR1000 is supplying the necessary voltage for
analog or ISDN telephone sets.
SYNC This green LED shows the synchronization. It blinks once the CXR1000 is
synchronized with the telephony modules.
PM0615.05 - CXR1000 CompletePBX Getting Started Guide (electronic version)
Misgav Industrial Park, POB 60, D.N. Misgav 20174, Israel
can be found on the Xorcom Web site.
Tel:+972-4-9951999; Fax:+972-4-9990287
command.
passwd
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