SFTP connectivity using while using SSH

sravanij — Thu, 13 Feb 2025 22:58:55 GMT

Hi All,

I am trying to connect to a SFTP server using public/private key authentication.

The public key is configured in the SFTP server and when I am trying to establish connectivity using Workato with private key, getting below error.

"could not settle on encryption_client algorithm Server encryption_client preferences: aes256-gcm@openssh.com,aes128-gcm@openssh.com Client encryption_client preferences: aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,rijndael-cbc@lysato"

My private key as below info:

Proc-Type: 4,ENCRYPTED
DEK-Info: DES-EDE3-CBC,49F1D315CD34905A

Can you please help me to know what exactly is the issue.

Thanks

Sravani

Re: SFTP connectivity using while using SSH

shivakumara — Fri, 14 Feb 2025 07:22:23 GMT

Hi @sravanij,
Based on the error, here is my understanding and suggested fix:

1. Your server supports:

aes256-gcm@openssh.com, aes128-gcm@openssh.com

2. Your client supports:

aes256-ctr, aes192-ctr, aes128-ctr, aes256-cbc, aes192-cbc, aes128-cbc, rijndael-cbc@lysato

Fix: Update your SFTP client to support aes256-gcm@openssh.com or aes128-gcm@openssh.com, OR modify the server configuration to allow aes256-ctr

Kindly try from your end and let me know if you need further help.

Thanks and Regards,
Shivakumar K A

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SFTP connectivity using while using SSH

Re: SFTP connectivity using while using SSH