I tried to connect to ez webdav using explorer on WinXP:
1. open webforlder
2. select siteaccess
3. you get form to enter username and password
4. enter username and password
5 you get form to enter password only
6. enter password
7 you get form to enter password only
8. enter password
...
1025. you get form to enter password only
1026. enter password
...

I tried to connect to ez webdav using nautilus on ubuntu 9.04:
1. open dav://...
2. select siteaccess
3. you get form to enter username and password
4. enter username and password
5 you get form to enter password only
6. enter password
7 you get form to enter password only
8. enter password
...
1025. you get form to enter password only
1026. enter password
...