I have two servers and notebook all on same Gig LAN, one an old Debian. From Windows XP / Dual Pentium notebook can transfer a 1 Meg binary file in the blink of an eye.
Have made a new Ubuntu Server 8.04, setup SSH, log in using SFTP (Same PC, same WinSCP settings etc!) same file takes 10 mins!!! Can download file off new server (once its there!) in a flash, so server NIC seems OK.
Was using WinSCP 406, upgraded to 407, same, upgraded 413, still same! The /etc/ssh/sshd_config files on the respective machines are largely identical, apart from upgrade(?) syntax changes. Protocol is SFTP(SCP), no key file, SSH protocl Ver 2. (Same for each shown with saved hovertip)
I also note the Ubuntu server transfers seem to hang with the transfer window frequently unresponsive, yet updated every multiple of seconds. They start off reporting very fast transfers (as expected) with typ speeds of 50,000B/s
Suggests something about ubuntu server?, perhaps setup, perhaps someone here can suggest?