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iis ftp : FTP does not finish the transfer
Hi everyone !! hope someone can help me with this odd problem... :-)
Server: Win 2003 with IIS6 (using its FTP server) with the Windows Firewall enabled (FTP allowed) When I transfer a file from my XP notebook (connected in my Company LAN), the file is sent without problem. Howewer, when I am connected directly to internet with my cable provider with the same Notebook (so, same FTP client ), and I transfer the same file to the FTP Server, the file is sent but when it finish transferring it, it does not close the transfer. It "freezes" with a status of 100% transferred and I got to cancel the transfer manually. The FTP Server is outside the WAN of my company and it is connected directly to the internet, so the only Firewall it has is the Microsoft (when I disabled the Firewall, the transfer works well!) I suppose, for some reason, the client waits for a success confirmation of transfer completed which never arrives.... but I do not understand why happens when I am connectly directly to the internet but not when I´m behind the company firewall... Any tips ? Thanks in advance, Ariel
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Ariel <Ariel@discussions.microsoft.com> wrote: > Server: Win 2003 with IIS6 (using its FTP server) with the Windows > Firewall enabled (FTP allowed) > > The FTP Server is outside the WAN of my company and it is connected > directly to the internet, so the only Firewall it has is the > Microsoft (when I disabled the Firewall, the transfer works well!) How have you configured the Windows Firewall to allow FTP? You cannot do it by just allowing TCP port 22. You must do it by configuring an exception for the program: C:\WINDOWS\system32\inetserv\inetinfo.exe I am assuming here that you have applied Service Pack 1 to Windows 2003. -- Robin Walker [MVP Networking] rdhw@cam.ac.uk
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Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: > Ariel <Ariel@discussions.microsoft.com> wrote: > >> Server: Win 2003 with IIS6 (using its FTP server) with the Windows >> Firewall enabled (FTP allowed) >> >> The FTP Server is outside the WAN of my company and it is connected >> directly to the internet, so the only Firewall it has is the >> Microsoft (when I disabled the Firewall, the transfer works well!) > > How have you configured the Windows Firewall to allow FTP? You > cannot do it by just allowing TCP port 22. You must do it by > configuring an exception for the program: > > C:\WINDOWS\system32\inetserv\inetinfo.exe > > I am assuming here that you have applied Service Pack 1 to Windows > 2003. I meant TCP port 21 of course! -- Robin Walker [MVP Networking] rdhw@cam.ac.uk
Robin,
Thanks for your help, but unfortunately, it does not fix the problem. I added inetinfo.exe to the exception list but it continues doing the same thing.... SP1 is applied, of course. Any other tip I could try?? PS: Yes, I know you meant port 21 :-) [quoted text, click to view] "Robin Walker [MVP]" wrote:
> Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: > > Ariel <Ariel@discussions.microsoft.com> wrote: > > > >> Server: Win 2003 with IIS6 (using its FTP server) with the Windows > >> Firewall enabled (FTP allowed) > >> > >> The FTP Server is outside the WAN of my company and it is connected > >> directly to the internet, so the only Firewall it has is the > >> Microsoft (when I disabled the Firewall, the transfer works well!) > > > > How have you configured the Windows Firewall to allow FTP? You > > cannot do it by just allowing TCP port 22. You must do it by > > configuring an exception for the program: > > > > C:\WINDOWS\system32\inetserv\inetinfo.exe > > > > I am assuming here that you have applied Service Pack 1 to Windows > > 2003. > > I meant TCP port 21 of course! > > -- > Robin Walker [MVP Networking] > rdhw@cam.ac.uk > >
Bernard, first of all, thanks for your help!
I think the file is not big enough (1.3Mb) to cause problems I tried using ftp.exe and it seems does not freeze when the transfer ends (strange!) How do I configure the Firewall to forward ftp request??? I think I only specified the exception list... For example, could you tell me please how would be the correct configuration of the Windows Firewall to work with IIS FTP server? Thanks again. Ariel [quoted text, click to view] "Bernard Cheah [MVP]" wrote:
> how big is the file ? > have you try ftp.exe to download the file ? > > do you specific the the internet connection firewall to forward ftp requests > ? or just the exception list? > > -- > Regards, > Bernard Cheah > http://www.iis.net/ > http://www.iis-resources.com/ > http://msmvps.com/blogs/bernard/ > > > "Ariel" <Ariel@discussions.microsoft.com> wrote in message > news:C87083A7-E358-44A7-8F73-677E4282153B@microsoft.com... > > Robin, > > > > Thanks for your help, but unfortunately, it does not fix the problem. I > > added inetinfo.exe to the exception list but it continues doing the same > > thing.... > > > > SP1 is applied, of course. > > > > Any other tip I could try?? > > > > PS: Yes, I know you meant port 21 :-) > > > > "Robin Walker [MVP]" wrote: > > > >> Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: > >> > Ariel <Ariel@discussions.microsoft.com> wrote: > >> > > >> >> Server: Win 2003 with IIS6 (using its FTP server) with the Windows > >> >> Firewall enabled (FTP allowed) > >> >> > >> >> The FTP Server is outside the WAN of my company and it is connected > >> >> directly to the internet, so the only Firewall it has is the > >> >> Microsoft (when I disabled the Firewall, the transfer works well!) > >> > > >> > How have you configured the Windows Firewall to allow FTP? You > >> > cannot do it by just allowing TCP port 22. You must do it by > >> > configuring an exception for the program: > >> > > >> > C:\WINDOWS\system32\inetserv\inetinfo.exe > >> > > >> > I am assuming here that you have applied Service Pack 1 to Windows > >> > 2003. > >> > >> I meant TCP port 21 of course! > >> > >> -- > >> Robin Walker [MVP Networking] > >> rdhw@cam.ac.uk > >> > >> > >> > >
how big is the file ?
have you try ftp.exe to download the file ? do you specific the the internet connection firewall to forward ftp requests ? or just the exception list? -- Regards, Bernard Cheah http://www.iis.net/ http://www.iis-resources.com/ http://msmvps.com/blogs/bernard/ [quoted text, click to view] "Ariel" <Ariel@discussions.microsoft.com> wrote in message news:C87083A7-E358-44A7-8F73-677E4282153B@microsoft.com... > Robin, > > Thanks for your help, but unfortunately, it does not fix the problem. I > added inetinfo.exe to the exception list but it continues doing the same > thing.... > > SP1 is applied, of course. > > Any other tip I could try?? > > PS: Yes, I know you meant port 21 :-) > > "Robin Walker [MVP]" wrote: > >> Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: >> > Ariel <Ariel@discussions.microsoft.com> wrote: >> > >> >> Server: Win 2003 with IIS6 (using its FTP server) with the Windows >> >> Firewall enabled (FTP allowed) >> >> >> >> The FTP Server is outside the WAN of my company and it is connected >> >> directly to the internet, so the only Firewall it has is the >> >> Microsoft (when I disabled the Firewall, the transfer works well!) >> > >> > How have you configured the Windows Firewall to allow FTP? You >> > cannot do it by just allowing TCP port 22. You must do it by >> > configuring an exception for the program: >> > >> > C:\WINDOWS\system32\inetserv\inetinfo.exe >> > >> > I am assuming here that you have applied Service Pack 1 to Windows >> > 2003. >> >> I meant TCP port 21 of course! >> >> -- >> Robin Walker [MVP Networking] >> rdhw@cam.ac.uk >> >> >>
Well, generally - if ftp.exe can download fine then IIS FTP is working fine.
For the ICF, exception is what you need to support both active and passive mode, As for the forwarding, it is at the advanced tab of windows firewall dialog box. what client ftp app you using ? you mentioned with firewall off, your app able to download correctly? -- Regards, Bernard Cheah http://www.iis.net/ http://www.iis-resources.com/ http://msmvps.com/blogs/bernard/ [quoted text, click to view] "Ariel" <Ariel@discussions.microsoft.com> wrote in message news:78E8260A-C36C-428F-B990-BB2BFF903F19@microsoft.com... > Bernard, first of all, thanks for your help! > > I think the file is not big enough (1.3Mb) to cause problems > I tried using ftp.exe and it seems does not freeze when the transfer ends > (strange!) > How do I configure the Firewall to forward ftp request??? I think I only > specified the exception list... > > For example, could you tell me please how would be the correct > configuration > of the Windows Firewall to work with IIS FTP server? > > Thanks again. > > Ariel > > "Bernard Cheah [MVP]" wrote: > >> how big is the file ? >> have you try ftp.exe to download the file ? >> >> do you specific the the internet connection firewall to forward ftp >> requests >> ? or just the exception list? >> >> -- >> Regards, >> Bernard Cheah >> http://www.iis.net/ >> http://www.iis-resources.com/ >> http://msmvps.com/blogs/bernard/ >> >> >> "Ariel" <Ariel@discussions.microsoft.com> wrote in message >> news:C87083A7-E358-44A7-8F73-677E4282153B@microsoft.com... >> > Robin, >> > >> > Thanks for your help, but unfortunately, it does not fix the problem. I >> > added inetinfo.exe to the exception list but it continues doing the >> > same >> > thing.... >> > >> > SP1 is applied, of course. >> > >> > Any other tip I could try?? >> > >> > PS: Yes, I know you meant port 21 :-) >> > >> > "Robin Walker [MVP]" wrote: >> > >> >> Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: >> >> > Ariel <Ariel@discussions.microsoft.com> wrote: >> >> > >> >> >> Server: Win 2003 with IIS6 (using its FTP server) with the Windows >> >> >> Firewall enabled (FTP allowed) >> >> >> >> >> >> The FTP Server is outside the WAN of my company and it is connected >> >> >> directly to the internet, so the only Firewall it has is the >> >> >> Microsoft (when I disabled the Firewall, the transfer works well!) >> >> > >> >> > How have you configured the Windows Firewall to allow FTP? You >> >> > cannot do it by just allowing TCP port 22. You must do it by >> >> > configuring an exception for the program: >> >> > >> >> > C:\WINDOWS\system32\inetserv\inetinfo.exe >> >> > >> >> > I am assuming here that you have applied Service Pack 1 to Windows >> >> > 2003. >> >> >> >> I meant TCP port 21 of course! >> >> >> >> -- >> >> Robin Walker [MVP Networking] >> >> rdhw@cam.ac.uk >> >> >> >> >> >> >> >> >>
That´s what confused me.... the ftp.exe seems to work fine. I´m using Windows
Commander´s FTP, but I tried with several clients with same results (it freezed) If the Firewall is off, the download/upload is done without problems! To let the IIS FTP work, I configured PORT 21 and 20 and inetinfo.exe in the Exceptions lists and "FTP Server" service marked in Advanced Settings What else could be? Thanks, Ariel [quoted text, click to view] "Bernard Cheah [MVP]" wrote:
> Well, generally - if ftp.exe can download fine then IIS FTP is working fine. > For the ICF, exception is what you need to support both active and passive > mode, > As for the forwarding, it is at the advanced tab of windows firewall dialog > box. > > what client ftp app you using ? you mentioned with firewall off, your app > able to download correctly? > > > > -- > Regards, > Bernard Cheah > http://www.iis.net/ > http://www.iis-resources.com/ > http://msmvps.com/blogs/bernard/ > > > "Ariel" <Ariel@discussions.microsoft.com> wrote in message > news:78E8260A-C36C-428F-B990-BB2BFF903F19@microsoft.com... > > Bernard, first of all, thanks for your help! > > > > I think the file is not big enough (1.3Mb) to cause problems > > I tried using ftp.exe and it seems does not freeze when the transfer ends > > (strange!) > > How do I configure the Firewall to forward ftp request??? I think I only > > specified the exception list... > > > > For example, could you tell me please how would be the correct > > configuration > > of the Windows Firewall to work with IIS FTP server? > > > > Thanks again. > > > > Ariel > > > > "Bernard Cheah [MVP]" wrote: > > > >> how big is the file ? > >> have you try ftp.exe to download the file ? > >> > >> do you specific the the internet connection firewall to forward ftp > >> requests > >> ? or just the exception list? > >> > >> -- > >> Regards, > >> Bernard Cheah > >> http://www.iis.net/ > >> http://www.iis-resources.com/ > >> http://msmvps.com/blogs/bernard/ > >> > >> > >> "Ariel" <Ariel@discussions.microsoft.com> wrote in message > >> news:C87083A7-E358-44A7-8F73-677E4282153B@microsoft.com... > >> > Robin, > >> > > >> > Thanks for your help, but unfortunately, it does not fix the problem. I > >> > added inetinfo.exe to the exception list but it continues doing the > >> > same > >> > thing.... > >> > > >> > SP1 is applied, of course. > >> > > >> > Any other tip I could try?? > >> > > >> > PS: Yes, I know you meant port 21 :-) > >> > > >> > "Robin Walker [MVP]" wrote: > >> > > >> >> Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: > >> >> > Ariel <Ariel@discussions.microsoft.com> wrote: > >> >> > > >> >> >> Server: Win 2003 with IIS6 (using its FTP server) with the Windows > >> >> >> Firewall enabled (FTP allowed) > >> >> >> > >> >> >> The FTP Server is outside the WAN of my company and it is connected > >> >> >> directly to the internet, so the only Firewall it has is the > >> >> >> Microsoft (when I disabled the Firewall, the transfer works well!) > >> >> > > >> >> > How have you configured the Windows Firewall to allow FTP? You > >> >> > cannot do it by just allowing TCP port 22. You must do it by > >> >> > configuring an exception for the program: > >> >> > > >> >> > C:\WINDOWS\system32\inetserv\inetinfo.exe > >> >> > > >> >> > I am assuming here that you have applied Service Pack 1 to Windows > >> >> > 2003. > >> >> > >> >> I meant TCP port 21 of course! > >> >> > >> >> -- > >> >> Robin Walker [MVP Networking] > >> >> rdhw@cam.ac.uk > >> >> > >> >> > >> >> > >> > >> > >> > >
[quoted text, click to view]
Ariel <Ariel@discussions.microsoft.com> wrote: > I think the file is not big enough (1.3Mb) to cause problems > I tried using ftp.exe and it seems does not freeze when the transfer > ends (strange!) ftp.exe uses Port Mode FTP, whereas many other FTP clients use Passive Mode. The fact that one works and the other does not probably indicates a firewall configuration problem somewhere. Are you quite certain that your company does not have a firewall of some sort between the IIS server and the internet? [quoted text, click to view] > How do I configure the Firewall to forward ftp request??? I think I > only specified the exception list... There is no "forward"ing that needs to be done: you just need to have C:\WINDOWS\system32\inetsrv\inetinfo.exe defined in the Windows Firewall program exception list, with a "scope" setting of "Any computer (including those in the internet)". All this is required for Passive Mode transfers to work. Port Mode transfers (such as those done by ftp.exe) will work with a simple Port 21 exception. The Port 21 exception is not required if you have correctly defined the Program Exception for C:\WINDOWS\system32\inetsrv\inetinfo.exe, so try deleting the Port 21 exception and trial ftp.exe again. If ftp.exe now does not work, then you have not correctly defined the Program Exception for C:\WINDOWS\system32\inetsrv\inetinfo.exe [quoted text, click to view] > For example, could you tell me please how would be the correct > configuration of the Windows Firewall to work with IIS FTP server? As above. [quoted text, click to view] > "Bernard Cheah [MVP]" wrote: > >> do you specific the the internet connection firewall to forward ftp >> requests ? or just the exception list? In Server 2003 SP1, there is no ICF, or "internet connection firewall": it is replaced by "Windows Firewall". And there is no "forwarding" involved, it is just a firewall. -- Robin Walker [MVP Networking] rdhw@cam.ac.uk
Remove the port 21,20 in the exception list, you just need to define
inetinfo.exe. And you can unmark the 'ftp server' at advanced settings. I don't have others ideas as this work via ftp.exe. so the suspect is the firewall, but then why ftp.exe works? just wondering after you have configure the above, try reboot the entire machine then test again. -- Regards, Bernard Cheah http://www.iis.net/ http://www.iis-resources.com/ http://msmvps.com/blogs/bernard/ [quoted text, click to view] "Ariel" <Ariel@discussions.microsoft.com> wrote in message news:EEDD003C-51DA-4E1B-9773-AF6AB4E1774D@microsoft.com... > That´s what confused me.... the ftp.exe seems to work fine. I´m using > Windows > Commander´s FTP, but I tried with several clients with same results (it > freezed) > > If the Firewall is off, the download/upload is done without problems! > > To let the IIS FTP work, I configured PORT 21 and 20 and inetinfo.exe in > the > Exceptions lists and "FTP Server" service marked in Advanced Settings > > What else could be? > > Thanks, > > Ariel > > "Bernard Cheah [MVP]" wrote: > >> Well, generally - if ftp.exe can download fine then IIS FTP is working >> fine. >> For the ICF, exception is what you need to support both active and >> passive >> mode, >> As for the forwarding, it is at the advanced tab of windows firewall >> dialog >> box. >> >> what client ftp app you using ? you mentioned with firewall off, your app >> able to download correctly? >> >> >> >> -- >> Regards, >> Bernard Cheah >> http://www.iis.net/ >> http://www.iis-resources.com/ >> http://msmvps.com/blogs/bernard/ >> >> >> "Ariel" <Ariel@discussions.microsoft.com> wrote in message >> news:78E8260A-C36C-428F-B990-BB2BFF903F19@microsoft.com... >> > Bernard, first of all, thanks for your help! >> > >> > I think the file is not big enough (1.3Mb) to cause problems >> > I tried using ftp.exe and it seems does not freeze when the transfer >> > ends >> > (strange!) >> > How do I configure the Firewall to forward ftp request??? I think I >> > only >> > specified the exception list... >> > >> > For example, could you tell me please how would be the correct >> > configuration >> > of the Windows Firewall to work with IIS FTP server? >> > >> > Thanks again. >> > >> > Ariel >> > >> > "Bernard Cheah [MVP]" wrote: >> > >> >> how big is the file ? >> >> have you try ftp.exe to download the file ? >> >> >> >> do you specific the the internet connection firewall to forward ftp >> >> requests >> >> ? or just the exception list? >> >> >> >> -- >> >> Regards, >> >> Bernard Cheah >> >> http://www.iis.net/ >> >> http://www.iis-resources.com/ >> >> http://msmvps.com/blogs/bernard/ >> >> >> >> >> >> "Ariel" <Ariel@discussions.microsoft.com> wrote in message >> >> news:C87083A7-E358-44A7-8F73-677E4282153B@microsoft.com... >> >> > Robin, >> >> > >> >> > Thanks for your help, but unfortunately, it does not fix the >> >> > problem. I >> >> > added inetinfo.exe to the exception list but it continues doing the >> >> > same >> >> > thing.... >> >> > >> >> > SP1 is applied, of course. >> >> > >> >> > Any other tip I could try?? >> >> > >> >> > PS: Yes, I know you meant port 21 :-) >> >> > >> >> > "Robin Walker [MVP]" wrote: >> >> > >> >> >> Robin Walker [MVP] <rdhw@cam.ac.uk> wrote: >> >> >> > Ariel <Ariel@discussions.microsoft.com> wrote: >> >> >> > >> >> >> >> Server: Win 2003 with IIS6 (using its FTP server) with the >> >> >> >> Windows >> >> >> >> Firewall enabled (FTP allowed) >> >> >> >> >> >> >> >> The FTP Server is outside the WAN of my company and it is >> >> >> >> connected >> >> >> >> directly to the internet, so the only Firewall it has is the >> >> >> >> Microsoft (when I disabled the Firewall, the transfer works >> >> >> >> well!) >> >> >> > >> >> >> > How have you configured the Windows Firewall to allow FTP? You >> >> >> > cannot do it by just allowing TCP port 22. You must do it by >> >> >> > configuring an exception for the program: >> >> >> > >> >> >> > C:\WINDOWS\system32\inetserv\inetinfo.exe >> >> >> > >> >> >> > I am assuming here that you have applied Service Pack 1 to >> >> >> > Windows >> >> >> > 2003. >> >> >> >> >> >> I meant TCP port 21 of course! >> >> >> >> >> >> -- >> >> >> Robin Walker [MVP Networking] >> >> >> rdhw@cam.ac.uk >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >>
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