Tag Archives: ssh

How to Use an iPod to SSH into a Cisco ASA

A couple of months ago, I went on vacation to the far side of the world. I brought along no electronic devices except: My Blackberry (work phone; powered off most of the time to avoid roaming charges), and My Second Gen iPod Touch (mostly used to track my runs with Nike+). This was the first […]

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Cisco ASA Device Management – SSH Debugging

After setting up debugging on my pet Cisco ASA (with the debug ssh command), I experimented with some SSH connection scenarios and observed what showed up on the console output. Hopefully, this will help you troubleshoot SSH connection problems with the Cisco ASA. Issue: No RSA Keys on the ASA When the SSH client tries […]

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Cisco ASA Device Management – SSH Version 2

By default, the Cisco ASA will allow clients to connect using SSH-1 or SSH-2. You can configure the ASA to accept only clients that use SSH-2. Just use the ssh ver 2 command: Below is the console output when a SSH-2 client connects to the ASA. (You need to enable SSH debugging via the debug […]

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Cisco ASA Device Management – SSH Version 1

The Cisco ASA supports both SSH version 1 and SSH version 2. By default, both versions are enabled on the ASA, as seen with a show ssh command: To view the SSH messages sent between the SSH client and the ASA (which is acting as the SSH server), use the debug ssh command: SSH-1 Session […]

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Cisco ASA Device Management – SSH Keys and Fingerprints

Even when I was up against an overzealous agent, I had a number of methods for discouraging a search. I routinely mislabeled my shipments “farm machinery.” And I have yet to meet the lowly-paid customs official who will open a container marked “radioactive waste” to verify its contents. Lord of War Andrew Niccol Apart from […]

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