[Proftpd-user] NAT issue with virtualHost

Philippe Mackowiak via Proftp-user <[email protected]> Wed, 6 Nov 2024 18:00:34 +0000
Newsgroups gmane.network.proftpd.user
Message-ID <MR1P264MB17314BCE95624C759BCE0298B4532@MR1P264MB1731.FRAP264.PROD.OUTLOOK.COM>
--===============0910495550315894563==
Content-Language: fr-FR
Content-Type: multipart/alternative;
	boundary="_000_MR1P264MB17314BCE95624C759BCE0298B4532MR1P264MB1731FRAP_"

--_000_MR1P264MB17314BCE95624C759BCE0298B4532MR1P264MB1731FRAP_
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable


Hi,

I have a odd issue using ProFTPD behind a Firewall acting as a inbound NAT =
device.

Extract of configs:

This config works (without VirtualHost): No issue.

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
DefaultAddress                  <private_ip>
Port                            21
DefaultServer                   off
MasqueradeAddress       <public_ip>
PassivePorts                    60000 65535
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

This one does not work (commands hanging over passive ftp connection):

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Port 0
DefaultServer                   off
PassivePorts                    60000 65535

<VirtualHost <private_ip>>
        Port                    21
        MasqueradeAddress       <public_ip>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
This one does not work either: warning: "Virtual Server" address/port (xxxx=
x) already in use by "ProFTP server"
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Port 21
DefaultServer                   off
PassivePorts                    60000 65535

<VirtualHost <private_ip>>
        MasqueradeAddress       <public_ip>
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

This seems to be a quite easy situation, but can't see what would be the be=
st way to make it work.
Thank you any hint.
PM.



--_000_MR1P264MB17314BCE95624C759BCE0298B4532MR1P264MB1731FRAP_
Content-Type: text/html; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr=
osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:=
//www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
>
<meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
	{font-family:"Cambria Math";
	panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
	{font-family:Calibri;
	panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
	{font-family:Consolas;
	panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
	{margin:0cm;
	font-size:11.0pt;
	font-family:"Calibri",sans-serif;
	mso-ligatures:standardcontextual;
	mso-fareast-language:EN-US;}
span.EmailStyle17
	{mso-style-type:personal-compose;
	font-family:"Arial",sans-serif;
	color:windowtext;
	font-weight:normal;
	font-style:normal;}
.MsoChpDefault
	{mso-style-type:export-only;
	mso-fareast-language:EN-US;}
@page WordSection1
	{size:612.0pt 792.0pt;
	margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
	{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext=3D"edit">
<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=3D"FR" link=3D"#0563C1" vlink=3D"#954F72" style=3D"word-wrap:bre=
ak-word">
<div class=3D"WordSection1">
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Ar=
ial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Ar=
ial&quot;,sans-serif">Hi,</span><span style=3D"font-size:10.0pt;font-family=
:&quot;Arial&quot;,sans-serif"><o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Ar=
ial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">I have a odd issue using ProFTPD behin=
d a Firewall acting as a inbound NAT device.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">Extract of configs:<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">This config works (without VirtualHost=
): No issue.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">DefaultAddress&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; &lt;private_ip&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">Port&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 21<o:p></o:p></span><=
/p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">DefaultServer&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; off<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">MasqueradeAddress&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; &lt;public_ip&gt;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">PassivePorts&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; 60000 65535<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">This one does not work (commands hangi=
ng over passive ftp connection):<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">Port 0<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">DefaultServer&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; off<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">PassivePorts&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; 60000 65535<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">&lt;VirtualHost &lt;private_ip&gt;&gt;=
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;
</span><span style=3D"font-size:10.0pt;font-family:&quot;Arial&quot;,sans-s=
erif">Port&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 21<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; MasqueradeAddress&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;public_ip&gt=
;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-family:&quot;A=
rial&quot;,sans-serif">This one does not work either:
</span><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-family:&quot;Ari=
al&quot;,sans-serif;color:black;mso-fareast-language:FR">warning: &quot;Vir=
tual Server&quot; address/port (xxxxx) already in use by &quot;ProFTP serve=
r&quot;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">Port 21<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">DefaultServer&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; off<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">PassivePorts&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp; 60000 65535<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">&lt;VirtualHost &lt;private_ip&gt;&gt;=
<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; MasqueradeAddress&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;public_ip&gt=
;<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif">=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-=
family:&quot;Arial&quot;,sans-serif"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-family:&quot;A=
rial&quot;,sans-serif;color:black;mso-fareast-language:FR">This seems to be=
 a quite easy situation, but can&#8217;t see what would
 be the best way to make it work.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-family:&quot;A=
rial&quot;,sans-serif;color:black;mso-fareast-language:FR">Thank you any hi=
nt.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span lang=3D"EN-GB" style=3D"font-size:10.0pt;font-family:&quot;A=
rial&quot;,sans-serif;color:black;mso-fareast-language:FR">PM.<o:p></o:p></=
span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span style=3D"mso-fareast-language:FR"><o:p>&nbsp;</o:p></span></=
p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_MR1P264MB17314BCE95624C759BCE0298B4532MR1P264MB1731FRAP_--


--===============0910495550315894563==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline


--===============0910495550315894563==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
ProFTPD Users List   <[email protected]>
Unsubscribe problems?
http://www.proftpd.org/list-unsub.html
--===============0910495550315894563==--