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FTP server on Windowx/XP returns error 426

Posted on 2005-04-07
Medium Priority
Last Modified: 2012-08-13
In order to get a SuSE Linux server updated from a local FTP server I (temporarely) installed the IIS FTP component on my Windows/XP Pro laptop and provided a ftp directoy with the SuSE Linux FTP distribution. I opened port 21 in the Windows firewall and tried to perform a Linux ftp network installation. After starting installtion from a boot cd my FTP server has been found and the installation started to download /suse/boot/root from However, the download failed with error 426!

Next I went to my Windows/XP Pro Desktop computer and tried to access the same ftp directory by entering into the address bar in Internet Explorer 6. The same here. It could not retrieve the directory even I made sure I used anonymous access.

Next, again from my Windows/XP Pro Desktop computer,  I started ftp in a command window and opened a connection to I entered "Anonymous" as the username and my email-address as password. I tried to list the suse directory, which worked fine, and finally downloaded /suse/boot/root to my desktop pc. No errors, no problems.

Why this different behaviour? How can I solve the problem on the server side?

Question by:pgloor
  • 2
  • 2

Author Comment

ID: 13727690
If I uncheck "Tools -> Internet Options -> Advanced -> Use passive FTP" in Internet Explorer it works as well. So the problem ist that SuSE FTP Install does not use passive FTP while the Windows FTP server does not accept this.

So my question has changed:
- Can I change FTP server to accept non passive FTP requests?
- If yes, how?
LVL 18

Accepted Solution

crissand earned 375 total points
ID: 13728034
You must open port 20 as well for iis ftp service in active mode. And read more here:


To open the high port you must have ALG service active. You'll find more info at Microsoft.

For the suse installation, can't you stop windows firewall for some time? Only if the computer is not connected to Internet!
LVL 18

Expert Comment

ID: 13728324
Why B grade? Thanks for points, anyway.

Author Comment

ID: 13728367
Since all computers are inside a small LAN, stopping the firewall solves my problem for the Suse installation.

I followed any other hints, started ALG, opened port 20 and 21 and restarted/rebooted the PC. Nothing helped.
As soon I disabled the Windows Firewall it worked without further intervention.


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