Cisco Cisco Email Security Appliance C170 사용자 가이드
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Cisco AsyncOS 8.0.2 for Email User Guide
Chapter 36 Testing and Troubleshooting
Working with Technical Support
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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
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.
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
Specify a seed string to initialize the secure communication. The Cisco Customer Support team uses the
specified seed string to generate a secure shared secret for accessing this appliance.
specified seed string to generate a secure shared secret for accessing this appliance.
Do one of the following:
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(Recommended) Generate a random string.
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Manually enter a seed string.
Step 5
(Recommended) Enable a secure tunnel for the remote access connection. Select Initiate connection via
secure tunnel and enter the port for the connection.
secure tunnel and enter the port for the connection.
Step 6
Click Submit.
Step 7
Note down the seed string and share it with the Cisco Customer Support.
What To Do Next
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.
connected to the internet.
Before You Begin
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The appliance must be able to connect on port 22 to a second appliance that is connected to the
internet.
internet.