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On 2009-02-13T02:25:45+00:00 quendi wrote:

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.6) 
Gecko/2009020911 Ubuntu/8.04 (hardy) Firefox/3.0.6
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.6) 
Gecko/2009020911 Ubuntu/8.04 (hardy) Firefox/3.0.6

during the past months various FTP servers have changed their behavior
how to shut down encrypted connections. this has been inspired by a
change in the filezilla ftp client implementation, see http://forum
.filezilla-project.org/viewtopic.php?f=2&t=7688

vsftpd since version 2.0.7 also changed the way tls connections are closed. 
since then fireftp, a popular ftp addon for firefox, is awfully slow. this has 
been reported here: https://www.mozdev.org/bugs/show_bug.cgi?id=20043
since fireftp uses the mozilla framework for ssl bugzilla.mozilla.org is the 
right place to report the bug.

from what i've seen the problem is as follows:
# fireftp opens an encrypted connection
# command channel (e.g. authentication or noop) works fine
# when you do a directory listing or file transfer it opens a new data 
connection using passive ftp
# the server replies with the requested data on the new conncetion and sends a 
tls close notify
# fireftp simply acks this and waits for more data
# after 5 minutes the server times out and sends a fin/ack packet
# fireftp closes the connection using fin/ack and finally displays the 
directory / dowloads the file

this means you have to wait 5 minutes for each directory listing or file
transfer!

i'll attach an decrypted wireshark screenshot of the data connection

Reproducible: Always

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/6

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On 2009-02-13T02:27:28+00:00 quendi wrote:

Created attachment 362167
wireshark screenshot of the data connection

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/7

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On 2009-02-13T16:24:55+00:00 Bugzilla-tf wrote:

Does this happen without Fireftp ?
If not: what is Fireftp doing different from the Mozilla ftp implementation ?
Example FTP URL ?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/8

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On 2009-02-13T17:44:21+00:00 quendi wrote:

(In reply to comment #2)
> Does this happen without Fireftp ?

it can't happen without fireftp since firefox only offers a standard
(non ftps) client.

> If not: what is Fireftp doing different from the Mozilla ftp
implementation ?

don't know, this is what the fireftp maintainer says at 
https://www.mozdev.org/bugs/show_bug.cgi?id=20043
"FireFTP just runs off of the Mozilla APIs as far as sockets and SSL and the
like is concerned.  This sounds like something that should be handled at that
level."

> Example FTP URL ?

you could try lnxnt.org, it runs vsftpd 2.0.7 and currently has tls for
anonymous users enabled.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/9

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On 2009-02-13T17:54:22+00:00 Bugzilla-tf wrote:

We don't accept extension bugs in bugzilla unless the developer of that
addon explains what he is doing. Only with this information a Gecko
developer can deceide if the bug is valid. You can't expect that our
developers waste their time with digging through every addon that gets
reported here and 90% of such issues are bugs in the addon itself.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/10

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On 2009-02-13T21:10:41+00:00 Mimecuvalo wrote:

Matthias,
I'm the developer of FireFTP.  Sorry for not weighing in earlier.

The code in question is here:
http://www.mozdev.org/source/browse/fireftp/src/content/js/connection/dataSocket.js?rev=1.52

Basically, all FireFTP does is, when it comes to SSL sockets:
this.dataTransport = this.transportService.createTransport(["ssl"], 1, 
this.host, this.port, proxyInfo);

There isn't anything that the extension does beyond that in messing
around with the socket.  It seems that something underlying in Mozilla's
socket code is conflicting with vsftpd patched code.

Is vsftpd at fault or is Mozilla code at fault?  I'm not sure - I think
a networking engineer at Mozilla might need to take a look.

FWIW, my guess is this bug should be filed under Core->Networking.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/11

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On 2009-07-02T21:26:47+00:00 Lox-f wrote:

Any new about that bug? I have setup a hosting server based on vsftp and
I allow only TLS connections to it. So none of my clients can use
fireftp....

Filezilla works nice with it....

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/12

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On 2009-10-09T21:50:08+00:00 Lox-f wrote:

(In reply to comment #5)
> Basically, all FireFTP does is, when it comes to SSL sockets:
> this.dataTransport = this.transportService.createTransport(["ssl"], 1,
> this.host, this.port, proxyInfo);

Why do you force passive mode for TLS/SSL connections?

I think it may work without passive mode, may you have a try?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/14

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On 2009-12-14T11:13:18+00:00 Lox-f wrote:

Anybody watching bugs here?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/15

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On 2009-12-14T20:39:56+00:00 Mimecuvalo wrote:

I'm watching this bug but I'm not one who could fix this.  Somebody from
Mozilla needs to look into it.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/16

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On 2010-05-21T06:48:08+00:00 Q-maniac wrote:

Hi, I have also problem with FireFtp connecting to FTP+TLS server. I can
provide Mozilla team with FTP+TLS testing account and extensive
debugging outputs if required.

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/17

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On 2010-12-13T13:32:38+00:00 Lox-f wrote:

A year ago that bug was reported and documented but:

1- it is still at the UNCONFIRMED state

2- nobody at Mozilla seems to have had a look at it

When will firefox properly implement ftp over ssl/tls? Is it planned?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/18

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On 2012-11-16T23:02:35+00:00 Donovan Cameron wrote:

November 2012 and this problem is still there with fireftp when using
"Auth TLS(Best)"

After the 5min timeout, vsftpd outputs the following error:

522 SSL connection failed; session reuse required: see require_ssl_reuse option 
in vsftpd.conf man page
421 Data timeout. Reconnect. Sorry.

But I have require_ssl_reuse=YES and tried NO in my vsftpd.conf file,
but it doesn't seem to matter for fireftp. FileZilla works great either
way.

Almost a year since the last post on this bug, is there any hope of it
getting fixed?

Reply at:
https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/308952/comments/19


** Bug watch added: Mozdev Bugzilla #20043
   https://www.mozdev.org/bugs/show_bug.cgi?id=20043

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  FireFTP(Mozilla) cannot LIST files

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