Whichever works for your server. Try both.
hello, thanks for u reply,
What option i should put?
sending null ssh packets or execute dummy protocols commands?
Hi, Winscp disconnect all the time when I'm inactive for 2 or 3 minutes, and then when I save a file need wait 15 secs then appears error message and reconnect, is so frustrating. I have the same configuration in office and don't happen, it's my network? some problem with ports?? can u help me?