PHWinfo - Afficher un message - What is the difference between ftp encryption types SSL, TLS, SFTP and SSH ?

20/12/2006, 07h09

>
> Marcus Mender skrev:
> > I have seen a couple of different encryption types for ftp connections:
> > TLS
> > SSL
> > SFTP
> > SSH
> > Ok, provided an ftp server offers all these types: which type should I
> > choose
> > to setup the ftp server or to select from the ftp clients view ?
> > Is the security for all these types similar and the difference refers
> > only different protocols?
> > What are the pros and cons ?
> > Marcus
> >
>
> Briefly:
> SSL is an encryption type.

No. It is a communications protocol which employs encryption as part of
its operation.

> SSH is remote login using SSL to get encrypted command line access
> ("secure telnet")

No. The SSH protocol is not, and does not use, SSL at all.

> SFTP is file transfer using SSL

No. SFTP (typically) runs over SSH which (v.s.) is not SSL.

--
Richard Silverman
res@qoxp.net

20/12/2006, 07h09	#15
Richard E. Silverman Messages: n/a Hébergeur:	Re: What is the difference between ftp encryption types SSL, TLS, SFTP and SSH ? > > Marcus Mender skrev: > > I have seen a couple of different encryption types for ftp connections: > > TLS > > SSL > > SFTP > > SSH > > Ok, provided an ftp server offers all these types: which type should I > > choose > > to setup the ftp server or to select from the ftp clients view ? > > Is the security for all these types similar and the difference refers > > only different protocols? > > What are the pros and cons ? > > Marcus > > > > Briefly: > SSL is an encryption type. No. It is a communications protocol which employs encryption as part of its operation. > SSH is remote login using SSL to get encrypted command line access > ("secure telnet") No. The SSH protocol is not, and does not use, SSL at all. > SFTP is file transfer using SSL No. SFTP (typically) runs over SSH which (v.s.) is not SSL. -- Richard Silverman res@qoxp.net