You can try network packet traces and there are ways to trace z/OS TCP/IP traffic.
"Confidentially doc, I am the wabbit." Bugs Bunny Sent from Proton Mail Android -------- Original Message -------- On 7/27/25 12:49 PM, Support, DUNNIT SYSTEMS LTD. <[email protected]> wrote: > To all of you who replied, thanks. Sorry for not responding sooner. > > Set FileZilla debugging to 4. Nothing special shows for the default 20 > second timeout failure. Same for FZ's automatic retry. > > Tried FTP from the Windows command prompt. Same timeout problem. > > Ran the netstat -n command while FZ while trying to connect. I assume this > is normal: TCP 10.0.0.9:58915 ***.**.**.***:21 SYN_SENT (I > asterisked the IPA). > > Checked z/OS FTPSERVE parms and startup messages. Nothing changed. > > I think it's time to take this up with IBM. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
