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SBS 2003 with Filezilla...was working now its not.

Posted on 2009-04-24
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So here's my problem.  For the past 3 months my customer has been using Filezilla in their SBS 2003 box.  They have not had any problems and all had been connecting well until last 2 weeks.  Now, client gets the 421 error can't make data connection.   SBS box has RRAS running, and always has.  I have been using Passive mode with no problems.  Always had port 21 open in the SBS Firewall and working well.  

The only thing I can think of is if Microsoft released an update that killed my Filezilla this past 2 weeks.

A.  I can't open a range of ports on RRAS (5000-5001).  Already tried that for Passive.
B.  When I un-tick basic firewall in RRAS on the internet nic, Filezilla works well so I know its my sbs firewall.
C.  I don't want to disable my SBS firewall and use router firewall.
D.  I have IP Pass through on dsl modem, so no firewall is running on dsl modem

Like I said, it had been working fine and I have done windows updates the past week or so.  

Any Ideas??
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Question by:bjewell03
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by:bjewell03
ID: 24230236
Please forgive me.  I put error 421 and it is supposed to be 425.

I did look at the link above though because some instances were stating filezilla.  Though this is not what I was looking for.  I did look at the work around from MS and I do have shared memory check in the resolution.  

My greatist concern, (which I probably need to see what all updates were done), is that RRAS had an update that changed my firewall.  Not sure but it seems very odd that all was great until I did these updates.  I think will go back and look the description of these updates and uninstall some if I need to.

Stil need some help if possible.  Has any one else see this.  
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bjewell03 earned 0 total points
ID: 24230578
Well I have figured out my problem.  My version on Filezilla is 0.9.31.  In the Passive Mode Setting near the bottom there is a Port Range for Filezilla.  I set the port range from 25000 to 25000.  I opened port 25000 in RRAS and wallaaaa.  I never had to set that port range before.  And the tick box has never been ticked and Filezilla always worked.  So I still think that a widows update to the SBS firewall was installed that changed the way RRAS talks to the network.

Any way, I truly hope this helps someone else out.  I was pulling my hair out because you cant set a range of ports in RRAS.  So telling Filezilla to only use one port for Passive as a range seems to have worked for me.
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by:Donald Stewart
ID: 24230585
Good find!!!
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