Active Sessions with Multiple Domains/IPs

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Active Sessions with Multiple Domains/IPs

Postby kuhlenkamp » Wed Feb 02, 2011 2:27 am

Windows Server 2003 32bit

I have multiple domains setup, each with a different IP address. When an FTP client request an 'active' connection the Wing FTP server always responds from the servers main IP address (not the IP that has been assigned to the domain), and thus client sees data coming from a different IP address than requested and blocks the traffic.

Do you have a solution for this issue?
kuhlenkamp
 
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Re: Active Sessions with Multiple Domains/IPs

Postby FTP » Wed Feb 02, 2011 6:13 am

Domain like virtual server, if you want to setup multiple domains, you must specify a different listener port for each domain (or you have multiple NIC cards, then you can assign with different IP and same port). For example, server A owns port 21, then server B owns port 2121.

BTW, maybe you posted in a wrong place, if my answer is right, I will move your post into forum "Support".
FTP
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Re: Active Sessions with Multiple Domains/IPs

Postby sr-techz » Fri Mar 11, 2011 7:00 pm

I too ran into this issue. I have 2 ip addresses assigned to the server with 2 ftp domains:

ftpdomain1 - listening on 10.1.1.4 port 21
ftpdomain2 - listening on 10.1.1.5 port 21

I can connect and transfer data to both domains in Passive mode with no problems. In Active mode the domain listening on 10.1.1.5 will respond through the data channel (port 20) from ip 10.1.1.4 (instead of 10.1.1.5) which causes ls/get/put/etc to hang.

Are you saying that this will only work if I have each ip assigned to a different nic card or I have to have ftpdomain2 listen on 10.1.1.4 port [any port not used by ftpdomain1]?

Thanks
sr-techz
 
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Re: Active Sessions with Multiple Domains/IPs

Postby FTP » Fri Mar 11, 2011 7:04 pm

The new version 3.8.0 already fixed this issue, have you upgraded to it?
FTP
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Re: Active Sessions with Multiple Domains/IPs

Postby sr-techz » Fri Mar 11, 2011 7:46 pm

I just did and everything works great...

Thanks!
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