Command Line Client - 503 Bad sequence of commands

Troubleshooting

Problem

Command Line Client - 503 Bad sequence of commands.

Symptom

Error 503. Login failed.
503 Bad sequence of commands, must secure connection before USER command

Cause

Attempting to connect to a server that uses SSL. By default that server expects you to connect using Secure FTP. Specify that you want to make a connection unsecure.

Resolving The Problem

The server expect an SSL session and the client didn't initiate one. Configure the client to initiate an SSL session and provide the proper trusted root to the client.

[{"Product":{"code":"SSFVK3","label":"IBM Sterling Connect:Enterprise for UNIX"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Component":"Not Applicable","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"}],"Version":"2.5;2.4","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]

Historical Number

PRI11175
SCI12115

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Document Information

More support for:
IBM Sterling Connect:Enterprise for UNIX

Software version:
2.5, 2.4

Operating system(s):
AIX, HP-UX, Linux, Solaris

Document number:
177211

Modified date:
17 December 2019

UID

swg21538014

IBM Support

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