Diagnosing FTP server problems with traces

Syslog tracing is available to aid in debugging z/OS® UNIX FTP server problems. The following methods are available to start, stop, or modify syslog daemon and server tracing:

• TRACE start option
• FTP.DATA DEBUG statement
• FTP.DATA DUMP statement
• MODIFY jobname,DUMP operator command
• MODIFY jobname,DEBUG operator command
• Server SITE DEBUG command
• Server SITE DUMP command

See the following for more information:

• See Start tracing during FTP initialization and z/OS Communications Server: IP Configuration Reference, for details about the TRACE start option and FTP.DATA statements.
• See Controlling the FTP server traces with MODIFY operator command and z/OS Communications Server: IP System Administrator's Commands for details about the MODIFY operator command.
• See Stop tracing, Tracing activity for one user, and the z/OS Communications Server: IP User's Guide and Commands for details about the SITE command.