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setting up of ftp server

By jerry123 ·
have a static address etc given by ISP

Connecting to internet with a Acatel modem router, to a hardware firewall... then to a switch with all PC clients, including a FTP Server

modem router IP (gateway)

firewall IP(ext):

firewall IP(int):

clients on DHCP, leased from firewall ( -

ftp server using static IP

Tried the followings,

1. do a port forwarding on modem router side: -> (port 21)

2. do port forwarding on modem router and firewall side:
modem router: -> (prrt 81) (set to port 81 as 80 is used)

firewall: -> ([port 21)

both cannot.... all outgoing access are not blocked...

Do I need more static IPs? how to solve??


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by tamj123 In reply to setting up of ftp server

make sure the port 20 and 21 is open on firewall.

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by rick_b In reply to setting up of ftp server

I would use a service like or
for this setup. That way your not publishing your IP to the internet.Also I use a program called Serv U ftp from
This allows me to turn FTP on and Off when I need to.You don't need a port forward on the router, just the firewall.
Check out this link.

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by briantruitt In reply to setting up of ftp server

I would open up the Acatel so that nothing is blocked or has to be port forwarded. If that's not possible, at least port forward port 21 traffic to I think you were on the right track when you tried sending it to 1.2, but your firewall wants to do the translating, so if you send ftp traffic to 0.2 (the firewall) and on your firewall open up port 21 to it should work. I've seen this before with some of the newer DSL Modems/Routers. The Caymans, for instance, you have to open up a "Pinhole" (I don't know who thought of that term) for whatever ports you wanted to open up. From there, if you have your own firewall/router, you have to once again open up some more ports in order to get traffic to it's final destination. HTH

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