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FTP through ISA Web Proxy - Error http 502 12015

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FTP through ISA Web Proxy - Error http 502 12015 - 15.Dec.2003 9:44:00 PM   
jfisaorg

 

Posts: 5
Joined: 15.Dec.2003
Status: offline
I'm trying to connect to ftp site that requires authentication through isa web proxy without firewall client installed.

I always get http 502 error - The login request was denied (12015).

Anyone has a idea ?

Thanks in advance !

Jeff
Post #: 1
RE: FTP through ISA Web Proxy - Error http 502 12015 - 19.Dec.2003 2:43:00 AM   
ronmcdonald

 

Posts: 38
Joined: 18.Dec.2003
From: Maryland
Status: offline
Hi Jeff,

I have come across the same issue. I have found this article recently from Microsoft.
MSFT Support - KB Article 823261

From what there saying in the article there is a issue with the remote FTP server respond code and how ISA interprets it. Sound like a bug to me..

[Smile]

(in reply to jfisaorg)
Post #: 2
RE: FTP through ISA Web Proxy - Error http 502 12015 - 19.Dec.2003 3:13:00 AM   
ronmcdonald

 

Posts: 38
Joined: 18.Dec.2003
From: Maryland
Status: offline
I am able to reproduce my issue by going to Linksys FTP Site

Hears my error:
HTTP 502 Proxy Error - The user name was not allowed. Try a different name, or retry the same name after verifying that it is typed correctly. (12013)

Using the CMD prompt I did some investigating to see what type of FTP server or daemon they were using; see results:
C:\>ftp ftp.linksys.com
Connected to ftp.linksys.com.
220---------- Welcome to Pure-FTPd ----------

This issue that ISA is having seems more to be with compatibility issues with different FTP servers..

(in reply to jfisaorg)
Post #: 3
RE: FTP through ISA Web Proxy - Error http 502 12015 - 19.Dec.2003 8:57:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Ron,

you need to implement the hotfix mentioned in http://support.microsoft.com/default.aspx?scid=kb;en-us;823261 . So, contact Microsoft Product Support Services to obtain the fix.

HTH,
Stefaan

(in reply to jfisaorg)
Post #: 4
RE: FTP through ISA Web Proxy - Error http 502 12015 - 5.Jan.2004 4:13:00 PM   
jfisaorg

 

Posts: 5
Joined: 15.Dec.2003
Status: offline
Hi Rono and Spouseele,

thanks for your answers.

I installed the patch (i got it from Microsoft Premier Service) but it didn't solved my problem.

Do you have any other ideas ?

Thanks in advance for your precious time and have a nice day.

Jeff

(in reply to jfisaorg)
Post #: 5
RE: FTP through ISA Web Proxy - Error http 502 12015 - 5.Jan.2004 9:00:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Jeff,

that KB is the only fix I know of. I've tested it and it worked for me! [Smile]

Did you run ISA SP1? Also, did you restart the Web Proxy service or rebooted the ISA server after applying the hotfix?

HTH,
Stefaan

(in reply to jfisaorg)
Post #: 6
RE: FTP through ISA Web Proxy - Error http 502 12015 - 6.Jan.2004 8:06:00 PM   
jfisaorg

 

Posts: 5
Joined: 15.Dec.2003
Status: offline
Hi Stefaan,

thanks for your reply.

I rebooted the ISA Server after applying the patch.

Same problem.

When i use Ethereal to snif what's going on, here is an example :

Under IE, i type ftp://about@www.cehq.gouv.qc.ca (the www and the ftp site has the same name) to log on as user about on the ftp site, i get :

1. The destination server answers 220 server name
2. User About
3. The destination server answers 331 Password required for About (and IE didn't sent me the window to enter my username and my password)
4. Pass
5. The destination server answers 530 User cannot log in

If you are behind an ISA Server 2000 SP1, could you try to access the same site as me ? Even if you don't know a username and password, if you receive the logon window, it will work for you and we could compare our ISA Server configuration.

Thanks again for your time and have a nice day.

Jeff

(in reply to jfisaorg)
Post #: 7
RE: FTP through ISA Web Proxy - Error http 502 12015 - 6.Jan.2004 9:18:00 PM   
spouseele

 

Posts: 12830
Joined: 1.Jun.2001
From: Belgium
Status: offline
Hi Jeff,

aha... that's something quite different. The FTP hotfix resolves a problem when NO password is asked. In your case you need to enter a password. Try use the syntax 'ftp://login:password@FQDN'.

HTH,
Stefaan

(in reply to jfisaorg)
Post #: 8
RE: FTP through ISA Web Proxy - Error http 502 12015 - 30.Dec.2009 1:36:42 AM   
aliafraz

 

Posts: 1
Joined: 30.Dec.2009
Status: offline
hi my friend

1- goto web proxy and disable
2- goto gatewaye and set ip address isa server

(in reply to jfisaorg)
Post #: 9
RE: FTP through ISA Web Proxy - Error http 502 12015 - 23.Jan.2010 11:54:35 PM   
cardinalcrucial

 

Posts: 2
Joined: 23.Jan.2010
Status: offline
thanks v much for this topic

(in reply to jfisaorg)
Post #: 10
RE: FTP through ISA Web Proxy - Error http 502 12015 - 23.Jan.2010 11:55:36 PM   
cardinalcrucial

 

Posts: 2
Joined: 23.Jan.2010
Status: offline
thanks again

_____________________________

web proxy

(in reply to cardinalcrucial)
Post #: 11
RE: FTP through ISA Web Proxy - Error http 502 12015 - 17.Jun.2010 7:03:20 AM   
olafo

 

Posts: 67
Joined: 12.Aug.2004
From: Bilbao
Status: offline
Hi aliafraz and spouseele!

1.- What's happen if our environment can not permit us to change Webproxy to Gateway?
2.- The solution of user:password@host do not work if password contains special caracters like %.

Any other ideas??

Thanks in advance and greetings,


Olaf

(in reply to aliafraz)
Post #: 12

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