User's Manual
Firmware Version 1.0.0.5 
UCM6510 IP PBX User Manual 
Page 34 of 192 
Table 12: Fail2Ban Settings 
Global Settings 
Enable Fail2Ban 
Enable Fail2Ban. The default setting is disabled. Please make sure both "Enable 
Fail2Ban" and "Asterisk Service" are turned on in order to use Fail2Ban for SIP 
authentication on the UCM6510. 
Banned Duration 
Configure  the  duration  (in  seconds)  for  the  detected  host  to  be  banned.  The 
default setting is 300. If set to -1, the host will be always banned. 
Max Retry Duration 
Within this duration (in seconds), if  a host exceeds  the  max times  of  retry as 
defined in "MaxRetry", the host will be banned. The default setting is 5. 
MaxRetry 
Configure  the  number  of  authentication  failures  during  "Max  Retry  Duration" 
before the host is banned. The default setting is 10. 
Fail2Ban Whitelist 
Configure IP address, CIDR mask or DNS host in the whiltelist. Fail2Ban will not 
ban the host with matching address in this list. Up to 5 addresses can be added 
into the list. 
Local Settings 
Asterisk Service 
Enable  Asterisk  service  for  Fail2Ban.  The  default  setting  is  disabled.  Please 
make sure both "Enable Fail2Ban" and "Asterisk Service" are turned on in order 
to use Fail2Ban for SIP authentication on the UCM6510. 
Port 
Configure  the  listening  port  number  for  the  service.  Currently  only  5060  (for 
UDP) is supported. 
MaxRetry 
Configure  the  number  of  authentication  failures  during  "Max  Retry  Duration" 
before the host is banned. The default setting is 10. Please make sure this option 
is  properly  configured  as  it  will  override  the  "MaxRetry"  value  under  "Global 
Settings".   
CHANGE PASSWORD 
After login the web GUI for the first time, it is highly recommended for users to change the default password 
"admin" to a more complicated password for security purpose. Follow the steps below to change the web 
GUI access password. 
1.  Go to web GUI->Settings->Change Password page. 
2.  Enter the old password first. 
3.  Enter the new password and retype the new password to confirm. The new password has to be at least 
4 characters.   
4.  Click on "Save" and the user will be automatically logged out. 
5.  Once the web page comes back to the login page again, enter the username "admin" and the new 
password to login. 










