Services and protocols overview with recommendations

In case you are interested in any type of supported protocols you can continue HERE.


This application is best suited for smaller amount of files that you want to access through web portal, to synchronize between a PC or mobile devices or to share them with your colleagues. You can also use it to share contacts and calendars.

FileSender is a web service for file exchange (with temporary storage).

  • FileSender functions as a file storage: you upload the file and specify who should receive a link for its download, the other party will receive an e-mail with the link.
  • File is stored in a system for up to one month then it is automatically deleted.
  • The files can be large with size up to 500 GB.
  • If you need to receive a file from someone who does not have an account in the federation, you can send a one-time invitation.

Globus is service for copying large amount of data over long distance using a web interface. Data is transferred between two endpoints. One endpoint can be your home directory created in the data storage CESNET and the other endpoint can be either another remote repository which support Globus or your workstation/laptop.

Protocols overview with recommendations

<hidden List of addresses for individual services>

  • Ostrava storage
    • protocols FTP/FTPS: <fc #0000FF>ftp.du4.cesnet.cz</fc>
    • protocols rsync, SCP/SFTP and SSH: <fc #0000FF>ssh.du4.cesnet.cz</fc>
    • NFS: <fc #0000FF>nfs.du4.cesnet.cz</fc>
    • Samba: samba.du4.cesnet.cz
  • Jihlava storage
    • protocols FTP/FTPS: <fc #0000FF>ftp.du5.cesnet.cz</fc>
    • protocols rsync, SCP/SFTP and SSH: <fc #0000FF>ssh.du5.cesnet.cz</fc>
    • NFS: <fc #0000FF>nfs.du5.cesnet.cz</fc>
    • Samba: samba.du5.cesnet.cz

</hidden>

NFSv4 protocol is available only for clients using Linux, for Windows users is available only commercial client NFS Maestro. To ensure strong user authentication we are using NFSv4 over Kerberos protocol. Without using other tools such as tar, you cannot use the protocol to preserve the original ownership of the file.

NFS is mostly intended for experienced users (because of the complex initial configuration) using Linux. For Windows users is available only commercial NFS Maestro client. On the operating system Mac OS is a problem with the mapping of identities and therefore this protocol is entirely useless.

  • Mount the volume, so that it will look like a local disk
  • Reconnect

FTPS protocol is FTP which uses TLS protocol to ensure data encryption. FTP is particularly suitable for transferring large files. On the other hand the FTP protocol cannot preserve original ownership and modification time of the files.

Because of protocol, it is possible to use various applications. Below is our list of tested applications whit relevant guides.


Like the FTP protocol, the protocols SCP and SFTP are designed for large files. Unlike FTP(S), it hasn't problem with the transmission of other file information (permissions, modification times, etc.).

  • Transmission is encrypted

Because of protocol, it is possible to use various applications. Below is our list of tested applications whit relevant guides.


Rsync is a simple tool suitable for situations where it is not required backup history, just a copy. Because rsync is doing several metadata operations when is copying a new file, the transfer speed of new files is limited to approximately 40 files per second (regardless of their size). Checking of existing files is about 10 times faster.

  • Allows you to maintain rights and information about the ownership. To accomplish this uses extended attributes of files (which is described in the guide)