svn:// auth problem

Hello, all.

I've just installed SVN at my FreeBSD box, created repository, in
which created svnserve.conf:

---
[general]
anon-access = write
auth-access = write
[users]
password-db = svn_pass_flow
realm = FlowRealm
---
and in that directory i have created file named svn_pass_flow:
---
gregor=******
---
Next, i have started svnserve by this command:
   /usr/local/bin/svnserve -d -r /data/svn
At my windows box, i have called this command:
   svn import flow svn://new.mtc.ru/data/svn/flow -m "Just created" --username gregor --password ******
The import have been success, but it was anonymous (no author).
I've changed "anon-access" option to "none" and tried to view log
again:
---
>svn log -v svn://new.mtc.ru/flow --username gregor --password ******
svn: No access allowed to this repository
---
What am I doing wrong?
My needs is very simple: I want to disallow anonymous access and I
don't want to use any other protocols.
Can you halp me?
-- 
Best regards.
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