> What release of z/OS are you using? Tried on both V2R4 and V2R5 with identical (at least superficially) results.
> ISTR starting with z/OS 2.4 you must use AT-TLS for secure FTP. Starting I think with V2R5 you need AT-TLS for the FTP server, and for TLS 1.3 (only) on the client. https://www.ibm.com/docs/en/zos/2.5.0?topic=protocol-tlsmechanism-ftp-client-server-statement Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Ed Jaffe Sent: Monday, February 27, 2023 8:55 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Can you connect to the PTF download site with z/OS FTP? On 2/27/2023 7:16 AM, Charles Mills wrote: > I am trying to connect to public.dhe.ibm.com using z/OS FTP. No matter what I > do, the session fails with > > FC1108 authServer: secure_socket_init failed with rc = 410 (SSL message > format is incorrect) What release of z/OS are you using? ISTR starting with z/OS 2.4 you must use AT-TLS for secure FTP. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN