Re: What is the most secure FTP server?

2011-03-11 Thread Chris Davies
Camaleón noela...@gmail.com wrote:
 In brief, for:
 - Server managing purposes (SSH)
 - File transfers for system users with shell access (SFTP)
 - Remote/external file transfers with no shell access (FTPS)

Also file transfers for system users, without shell access (SFTP). There
is a surprising amount of flexibility available in the configuration;
I suggest you might like to re-read sshd_config and in particular uses
of internal-sftp.

Regards,
Chris


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Vsftpd and TLS (was: What is the most secure FTP server?)

2011-03-11 Thread Camaleón
On Thu, 10 Mar 2011 22:50:16 -0500, Robert Blair Mason Jr. wrote:

 Quick question for those of us running anonymous ftp: Is it possible to
 configure vsftpd to allow unencrypted anonymous sessions, but require
 encryption for all user sessions?  I've looked at the configuration but
 all of the encryption settings seem to be global (no configuration on a
 per-user/group basis).

I've not tested, but the involved variables should be:

# to globally enable SSL (if client request it)
ssl_enable=YES

# this is the default value if not set
force_local_data_ssl=YES

# this is the deafult value if not set
force_local_logins_ssl=YES

# this is the default value if not set
allow_anon_ssl=NO

Greetings,

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Re: What is the most secure FTP server?

2011-03-11 Thread Camaleón
On Fri, 11 Mar 2011 09:56:40 +, Chris Davies wrote:

 Camaleón noela...@gmail.com wrote:
 In brief, for:
 - Server managing purposes (SSH)
 - File transfers for system users with shell access (SFTP) 
 - Remote/external file transfers with no shell access (FTPS)
 
 Also file transfers for system users, without shell access (SFTP). There
 is a surprising amount of flexibility available in the configuration; I
 suggest you might like to re-read sshd_config and in particular uses of
 internal-sftp.

Sure, there are many variations that you can apply for each of those 
options. Note the in brief I added, I was trying to give a big 
picture of all the possibilities without entering into the specifics, 
that's up to the user and his requirements.

Greetings,

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What is the most secure FTP server?

2011-03-10 Thread Jason Hsu
I understand that regular FTP has inferior security due to the lack of 
encryption.  So I'm looking for an alternative to use on my home server.

What is your favorite alternative and why?  Implicit FTPS?  SFTP?  FTP over 
SSH?  Or something else?

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Jason Hsu jhsu802...@jasonhsu.com


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Re: What is the most secure FTP server?

2011-03-10 Thread Camaleón
On Thu, 10 Mar 2011 09:56:32 -0600, Jason Hsu wrote:

 I understand that regular FTP has inferior security due to the lack of
 encryption.  So I'm looking for an alternative to use on my home server.

An alternative to FTP can be SSH. But you can still secure your FTP 
server by adding TLS (most of the major FTP packages provide that 
functionality). I personally like Vsftp.
 
 What is your favorite alternative and why?  Implicit FTPS?  SFTP?  FTP
 over SSH?  Or something else?

That depends... SSH is very powerful for admins (with full login 
capabilities or for system users with shell access) but to allow external/
remote users to just upload some files securely you can use FTPS.

In brief, for:

- Server managing purposes (SSH)
- File transfers for system users with shell access (SFTP)
- Remote/external file transfers with no shell access (FTPS)

Greetings,

-- 
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Re: What is the most secure FTP server?

2011-03-10 Thread shawn wilson
my favorite alternative to ftp? YES! all, everything, anything. hell,
dropbox is better than ftp.

but, just fire up your ssh server and out of the box, you've got tons of
features - including file transfer.

here's another suggestion: don't, under any circumstances, ever use ftp. for
clients on non-unix boxes, look at winscp or cyberduck.

On Thu, Mar 10, 2011 at 10:56 AM, Jason Hsu jhsu802...@jasonhsu.com wrote:

 I understand that regular FTP has inferior security due to the lack of
 encryption.  So I'm looking for an alternative to use on my home server.

 What is your favorite alternative and why?  Implicit FTPS?  SFTP?  FTP over
 SSH?  Or something else?

 --
 Jason Hsu jhsu802...@jasonhsu.com


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Re: What is the most secure FTP server?

2011-03-10 Thread Volkan YAZICI
On Thu, 10 Mar 2011 09:56:32 -0600, Jason Hsu writes:
 I understand that regular FTP has inferior security due to the lack of
 encryption. So I'm looking for an alternative to use on my home
 server.

 What is your favorite alternative and why? Implicit FTPS? SFTP? FTP
 over SSH? Or something else?

vsftpd is just rocking, but if I were you, I'd stick with OpenSSH. I'd
create an sftp group for just FTP users, and jail SSH connections
coming from users in sftp group into their home directory. (See
here[1] for details.)


Regards.

[1] 
http://www.techrepublic.com/blog/opensource/chroot-users-with-openssh-an-easier-way-to-confine-users-to-their-home-directories/229


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Re: What is the most secure FTP server?

2011-03-10 Thread peasthope
Hello Jason,

From:   Jason Hsu jhsu802...@jasonhsu.com
Date:   Thu, 10 Mar 2011 09:56:32 -0600
 What is your favorite alternative and why?  Implicit FTPS?  SFTP?  FTP over 
 SSH?  Or something else?

Another possibility is to firewall your LAN and use an ftp 
with satisfactory features.  You will find that plain FTP 
and telnet are faster than any SSH.  Significant if you use 
the connections several times a day.  Of course, if the 
connection is rarely used, responsiveness is no concern.

Regards,  ... Peter E.

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Shop pages http://carnot.yi.org/ accessible as long as the old drives survive.
Personal pages http://members.shaw.ca/peasthope/ .


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Re: What is the most secure FTP server?

2011-03-10 Thread shawn wilson
On Mar 10, 2011 12:27 PM, peasth...@shaw.ca wrote:

 Hello Jason,

 From:   Jason Hsu jhsu802...@jasonhsu.com
 Date:   Thu, 10 Mar 2011 09:56:32 -0600
  What is your favorite alternative and why?  Implicit FTPS?  SFTP?  FTP
over SSH?  Or something else?

 Another possibility is to firewall your LAN and use an ftp
 with satisfactory features.  You will find that plain FTP
 and telnet are faster than any SSH.  Significant if you use
 the connections several times a day.  Of course, if the
 connection is rarely used, responsiveness is no concern.



Ok, my gut tells me that plain text protocols might be faster than encrypted
ones. However, I have no data to back this up and have never noticed
'significant' differences between rsync and rsync+ssh. Do you have this
benchmark or are you just going by gut reaction too?


Re (2): What is the most secure FTP server?

2011-03-10 Thread peasthope
From:   shawn wilson ag4ve...@gmail.com
Date:   Thu, 10 Mar 2011 13:20:26 -0500
 Ok, my gut tells me that plain text protocols might be faster than encrypted
 ones. However, I have no data to back this up and have never noticed
 'significant' differences between rsync and rsync+ssh. Do you have this
 benchmark or are you just going by gut reaction too?

Referring to http://142.103.107.138/NetworksPage.html , Dalton is an 
IBM NetVista 6578-RAU and Cantor is generic PC labeled CE'96[sic].

Desktops.OpenDoc telnet://peter@dalton.invalid/ on Cantor opens to the 
prompt in about 4 s, depending on what Dalton is doing.  

Desktops.OpenDoc ssh://peter@dalton.invalid/ on Cantor opens to the
prompt in about 15 s.  

What are the timings in your network?

This argument is similar to the one about electronic submission to the IRS.
Someone is bound to pipe up that the Deep Blue workstation in his study 
opens SSH to the Tianhe-1 in his basement in 17 ms.  Therefore everyone 
should always use an encrypted protocol rather than FTP or telnet.  My 
reply was simply a possibility for Jason to consider.

And of course, instinct  taste usually trump reason.

Best regards,   ... Peter E.






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Re: What is the most secure FTP server?

2011-03-10 Thread Robert Blair Mason Jr.
On Thu, 10 Mar 2011 13:20:26 -0500
shawn wilson ag4ve...@gmail.com wrote:

 On Mar 10, 2011 12:27 PM, peasth...@shaw.ca wrote:
 
  Hello Jason,
 
  From:   Jason Hsu jhsu802...@jasonhsu.com
  Date:   Thu, 10 Mar 2011 09:56:32 -0600
   What is your favorite alternative and why?  Implicit FTPS?  SFTP?  FTP
 over SSH?  Or something else?
 
  Another possibility is to firewall your LAN and use an ftp
  with satisfactory features.  You will find that plain FTP
  and telnet are faster than any SSH.  Significant if you use
  the connections several times a day.  Of course, if the
  connection is rarely used, responsiveness is no concern.
 
 
 
 Ok, my gut tells me that plain text protocols might be faster than encrypted
 ones. However, I have no data to back this up and have never noticed
 'significant' differences between rsync and rsync+ssh. Do you have this
 benchmark or are you just going by gut reaction too?

Quick question for those of us running anonymous ftp:
Is it possible to configure vsftpd to allow unencrypted anonymous sessions, but 
require encryption for all user sessions?  I've looked at the configuration but 
all of the encryption settings seem to be global (no configuration on a 
per-user/group basis).

-- 
rbmj


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