z/OS Communications Server
Diagnosing FTP Server Problems with Client Connect and Server Forking
Do any of the following descriptions apply?
Server does not prompt client for userid
Server returns '421 open rejected, insufficient resources' when client tries to connect
FTP server does not accept new client connections
Abend S0C1 occurs when client FTPs to mainframe
Server does not send Banner Page (220 messages) to Client
Clients get "Connection closed by remote host" when attempting to connect
Security violations occur at client logon afer TERMINAL class profiles have been enabled
"getmain for FIO buffer failed (4) issued by server when client attempts to connect
None of these describe my problem