Setting the Supported Ciphers for SSH

B2B Integration : Managing File Transfers with ActiveTransfer : Managing ActiveTransfer Server : Setting SSH Encryption Algorithm, Ciphers, and Connection Options : Setting the Supported Ciphers for SSH

Ciphers are algorithms that are used to encrypt or decrypt data. In ActiveTransfer, you can set the supported ciphers for SSH.

Note:

The following procedure applies only to ports that use the SFTP protocol.

To set the supported ciphers for SSH

1. In My webMethods: Administration > Integration > Managed File Transfer > Server Management.

2. Select the server instance. For details, see Selecting the Instance to Work With.

3. On the Ports tab, select an SFTP port from the list of ports.

4. Click the Advanced tab.

5. In the SSH - Supported Ciphers section, click

to add a supported cipher for SSH.

6. In the Add Ciphers dialog box, select the cipher(s) that you want to use and click OK.

The selected ciphers appear in the SSH - Supported Ciphers section.

Note:

The ciphers, aes192-cbc, aes192-ctr, aes256-cbc, aes256-ctr, and arcfour256 require strong Java security policy certificates. You need to set the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files for your JDK/JRE in order to use these ciphers. Java comes with a default maximum key strength of 128 bytes. Do not add ciphers that require a key strength of more than 128 bytes as default when you configure a new SFTP server.

7. Click Save.

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