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"Wanna" ransomware outbreak. Please see this Sophos article sophos.com/kb/126733 for advice on how to protect your organization. Immediate action recommended.
Sophos allows remote shell access using SSH. Putty is Windows SSH client, that may be used to logon to the shell, and access the Sophos command line environment remotely.
Putty has many options, and supports protocols other than SSH, but this article only shows the features necessary to connect to Sophos.
Known to apply to the following Sophos product(s) and version(s)
Sophos UTM Software Appliance
Putty is a standalone executable, which does not require installation. The default name for the executable is Putty.exe. It may be run directly in windows, which will load the PuTTY Configuration interface.
Note: The Sophos UTM uses the UTF-8 encoding. If your Putty is not configured for UTF-8 this can lead to garbled display of non-ASCII characters. To configure UTF-8 encoding you need to navigate to Window | Transaltion.
The first connection to a host will prompt you to confirm the RSA fingerprint for that host.You will need to click yes, to continue. This value will be stored, and you will not be prompted again, unless this value changes. This warning provides assurance that your session is not being intercepted.
By default, no authentication information will be sent. Once the connection is established, the command window will ask for username and password. Sophos supports use of RSA keys for authentication, and putty also supports this. RSA tokens must generated by a separate utility.
Note: To find out how SSH keys are generated and uploaded please check out the following link: https://opengear.zendesk.com/entries/23216142-Generating-and-uploading-SSH-keys-under-Windows
This utility is not created, nor supported by Sophos. It has been tested, and is believed to be safe, and to work as described above. If any problems are discovered in this application's operation, please contact the application's author. This contact information can be found by clicking the About button in the putty.exe application.
Every comment submitted here is read (by a human) but we do not reply to specific technical questions. If you need technical support please post a question to our community. Alternatively for licensed products open a support ticket.