http://www.openssh.com/txt/draft-ietf-secsh-filexfer-02.txt
-Features from newer versions of the draft are not supported, unless
-explicitly implemented as extensions described below.
+Newer versions of the draft will not be supported, though some features
+are individually implemented as extensions described below.
The protocol used by OpenSSH's ssh-agent is described in the file
PROTOCOL.agent
Both the "statvfs@openssh.com" and "fstatvfs@openssh.com" extensions are
advertised in the SSH_FXP_VERSION hello with version "2".
-$OpenBSD: PROTOCOL,v 1.13 2009/12/20 23:20:40 djm Exp $
+$OpenBSD: PROTOCOL,v 1.14 2010/01/09 00:57:10 djm Exp $