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rfs

Langue: en

Version: 253724 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

rfs - remotefs client

SYNOPSIS

rfs host:remote_path mountpoint [options]

OPTIONS

General options:

-o opt,[opt...]

Mount options

-h, --help

Print help

RFS options:

-q

Suppress warnings

-o username=NAME

Auth username

-o rd_cache=0

Disable read cache

-o wr_cache=0

Disable write cache

-o rdwr_cache=0

Disable read/write cache

-o password=FILENAME

Filename with password for auth

-o port=PORT

Port which the server is listening to

host can be either server's host name or its IP address. remote_path is the path of the directory which is exported on the server. If server's exports file contains the line: /exports/alice alice () then remote_path must be /exports/alice.

-o username=NAME User name for rsfd. If UGO option is enabled for a particular export, this name should also be registered in server's user login base.

-o password=FILENAME This plain-text file must contain the password for accessing the remote directory.

Note that for security reasons this file should only be readable by its owner.

The command line for mounting the remoteresource may look like:

rfs -o username=alice,password=./pwd-home 192.168.1.2:/exports/alice ./mnt/

There are also a lot of options which are offered by FUSE. FUSE has been built for many kinds of file systems and not every option will work with remotefs. Some of the FUSE options may result in errors or decrease the performance of remotefs.

However, -okernel_cache may increase transfer speed for remotefs.

Please avoid usage of -odirect_io as it will most likely lead to errors.

Remarks

Solaris: In order to mount remote directory with remotefs you must have FUSE access rights, see user_attr(4). This can be done by setting the "FUSE File System Management" rights with the user and group administrations tools,

FreeBSD: Mounting of FUSE based file system is allowed if vfs.usermount is set to 1 via the sysctl command. This can be configured within the file /etc/sysctl.conf (add the line "vfs.usermount=1"). You can unmount your private mountpoint with the umount command.

SECURITY NOTES

Official recommendation for remotefs is to keep it away from untrusted networks.

Please consider this advice seriously.

NOTE ABOUT SSL (in SVN)

Current SSL support uses certificates, but doesn't verify them. (Using certificates is an SSL requirement). For that reason it is currently vulnerable to the "Man-in-the-middle" attack (http://en.wikipedia.org/wiki/Man_in_the_middle).

We're only providing an encrypted session without any peer verification. Please keep it in mind when using built-in SSL.

If you're not satisfied with this, please consider other approaches like stunnel or ssh -L.

KNOWN ISSUES

If /etc/passwd and /etc/group file on the client and the server are not identical, the displayed name for unknown user and group will default to nobody (user name), nogroup or name of the primary group of the user on the client. In this case, access rights may differ from the ones reported by remotefs.

This actually means that remotefs may not know the real user or group the file belongs to, but in any case access is controlled by the server with its security setup.

For example:

The server has a file that belongs to remotefs:remotefs. There is neither a "remotefs" user nor a group on the client, so this file may be reported as nobody:nogroup. Even if a client's user could access nobody's files on his system, server won't allow it, since the real owner of this file is the "remotefs" user.

AUTHORS

Aleksey Tulinov: aleksey_t@users.sourceforge.net
Jean-Jacques Sarton: jjsarton@users.sourceforge.net

REPORTING BUGS

See remotefs project on SourceForge: http://remotefs.sourceforge.net/

COPYING

GNU General Public License (GPL)

SEE ALSO

rfsd(8), rfspasswd(8)

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