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Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

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41-27
User Guide for AsyncOS 10.0 for Cisco Email Security Appliances
 
Chapter 41      Testing and Troubleshooting
  Working with Technical Support
•
Enabling Remote Access to Appliances With an Internet Connection 
Support accesses the appliance through an SSH tunnel that this procedure creates between the appliance 
and the 
upgrades.ironport.com
 server. 
Before You Begin 
Identify a port that can be reached from the internet. The default is port 25, which will work in most 
environments because the system also requires general access over that port in order to send email 
messages. Connections over this port are allowed in most firewall configurations. 
Procedure
Step 1
Log in to the appliance. 
Step 2
From the top right side of the GUI window, choose Help and Support > Remote Access. 
Step 3
Click Enable. 
Step 4
Enter information: 
Step 5
Click Submit. 
What To Do Next 
When remote access for support personnel is no longer required, see 
Enabling Remote Access to Appliances Without a Direct Internet Connection 
For appliances without a direct internet connection, access is made through a second appliance that is 
connected to the internet. 
Before You Begin 
•
The appliance must be able to connect on port 22 to a second appliance that is connected to the 
internet. 
•
On the appliance with the internet connection, follow the procedure in 
 to create a support tunnel to that appliance. 
Option Description 
Seed String
The seed string is used to generate a secure shared secret to be 
used by Cisco Customer Support to access this appliance.
Secure Tunnel
Select the check box to use a secure tunnel for the remote access 
connection. 
Enter a port for the connection. 
The default is port 25, which will work in most environments.