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Home > Success Center > Serv-U Managed File Transfer & Serv-U FTP Server > Server refused public-key signature despite accepting key

Server refused public-key signature despite accepting key

Created by Pamela Pineda, last modified by MindTouch on Jun 23, 2016

Views: 528 Votes: 0 Revisions: 3

Overview

This article addresses the following error message that appears when logging in using SFTP protocol and LDAP credentials:

Authentication with public "key "Imported-openssh-key". Server refused public-key signature despite accepting key!

Environment

  • Serv-U version 15.1.x
  • LDAP Authentication
  • Password or Public Key SSH Authentication Type

Cause 

This can occur due to the following reasons:

  • Connection account is not provided for LDAP authentication.
  • Wrong credential is specified for connection account in LDAP configuration.

When the user being authenticated passes the public key as Serv-U cannot use the public key as the connection account. The connection account requires a password with an account name complete with UPN suffix.

Resolution

Provide correct Connection Account and Connection Account password for LDAP host in LDAP configuration. Otherwise, Serv-U will use the credentials that are being authenticated as the connection account.

 

 

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