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.
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