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Topic Title: sftp connection with custom cipher
Topic Summary:
Created On: 05/09/2018 06:53 AM
Status: Read Only
Linear : Threading : Single : Branch
 sftp connection with custom cipher   - Mr. MatthiasStaudt - 05/09/2018 06:53 AM  
 sftp connection with custom cipher   - Devin Cannon - 05/14/2018 10:58 AM  
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 05/09/2018 06:53 AM
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Mr. MatthiasStaudt
n00b (>6 posts)

Posts: 4
Joined: 08/31/2017

Hello,

we have a working sftp task for an ftp server. Automate Version is 11.0.2.22. The sftp server owner changed his configuration and is now limiting the possible ciphers.

FTP Logon in our existing task isn't working after we changed our current automate task to connect to the new server. Filezilla (v3.20., actually an old version) can establish a working connection to the new server.
Sadly automate only returns "FTP failed (Error: Connection lost (error code is 10058))".

I'm pretty sure our error is the custom cipher key-exchange algorithm. What I tried as custom cipher (auto adjust doesn't work):

1. Encryption algorithm: Needs to be 'aes256-ctr' which in automate should be 'EA_AES256_CTR'? (Filezilla automatically used 'AES-256 SDCTR')
2. MAC algorithm: Needs to be 'hmac-sha2-256' which in automate should be 'HMAC_SHA2_256' (Filezilla used 'HMAC-SHA2-256')
3. Public key algroithm: RSA
4. Key-Exchange algorithm: It needs to be 'ecdh-sha2-nistp256' and this is where I think it doesn't work. Filezilla tells me it uses 'Doing ECDH key exchange with curve nistp256 and hash SHA-256'.

I can't figure out what I need to use as Key-Exchange algorithm to get it working or if automate can use nistp256?
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