FTP port forwarding not working

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FlyGoneCrazy
DD-WRT Novice


Joined: 17 Jan 2016
Posts: 3

PostPosted: Tue Oct 16, 2018 13:02    Post subject: FTP port forwarding not working Reply with quote
Hi

with the latest version of dd-wrt FTP port forwarding is not working on Linksys WRT1900ACSv2:

Code:
Router Model: Linksys WRT1900ACS
Firmware Version: DD-WRT v3.0-r37305 std (10/10/18)


Other protocols are working (80, 443, 22), only 21 is causing problems. I've tried active and passive modes. They don't work. Accessing FTP by internal IP works just fine. I've tried to disable all security options, this doesn't help.

FTP over SSH works just fine as well.

Anyone else experiencing the same problem?


FlyGoneCrazy
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pa3fat
DD-WRT User


Joined: 25 Apr 2010
Posts: 87
Location: Valkenswaard, The Netherlands

PostPosted: Tue Oct 16, 2018 14:37    Post subject: Reply with quote
Have you tried more ports than 21 alone. E.g. 21 upto 30.
Some clients are using more ports during ftp sessions.

Or did it work before this specific firmware version?
FlyGoneCrazy
DD-WRT Novice


Joined: 17 Jan 2016
Posts: 3

PostPosted: Tue Oct 16, 2018 15:25    Post subject: Reply with quote
Hey!

it used to work previously with another router:

Code:
Router Model: Linksys EA6400
Firmware Version: DD-WRT v3.0-r37139 std (10/04/18)


Recently I've changed EA6400 into WRT1900ACSv2.

I've tried several options:

21 -> 21
21 -> 2121
2121 -> 2121

Everything works with internal IP, but not with external IP.

I've even opened 20 to 22, still no success.
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