In order to allow certain services to traverse through Cyberoam, administrator has to open the necessary port(s). This can be done by allowing traffic through those services, or ports, using Firewall Rule.
This article describes how we can open a port in Cyberoam.
Open SMTP Port 25 to allow Email communication through Cyberoam.
You must be logged on to the Web Admin Console as an administrator with Read-Write permission for relevant feature(s).
Step 1: Create an IP Host
Go to Object > Host > IP Host and click Add to create a new host.
Specify a name to identify the IP Host.
Select the type of IP Family.
Select the type of host.
Single IP Address
Network IP Address with subnet
Only Class B IP Addresses can be added in IP list. IP Addresses can be added or removed from IP list.
Specify IPv4 Address or IPv6 Address based on the Host Type selected.
Click OK to save the IP Host.
Step 2: Add a Firewall Rule
Go to Firewall > Rule > Rule and click Add to create a new Firewall Rule.
Specify a name to identify the Firewall Rule.
Select source and destination zone to which the rule applies.
MailServer — Any IP Address
Specify source and destination host or network address to which the rule applies.
Select Services/Service Group to which the Firewall rule applies.
All The Time
Select schedule for the rule.
A new schedule can also be added directly from here.
Select rule action.
Click OK to save the Firewall Rule.
The above configuration allows Cyberoam to open an SMTP port.
Document Version: 1.0 – 08 May, 2015
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