Active FTP Timeout Issue

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Active FTP Timeout Issue

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Working with Active FTP, we are having problems with transferring files larger than 1.5GB because the control channel hits the idle session timeout for FTP (set at 1800 seconds).  Temporarily we have increased the timeout to 5400 seconds as a workaround but we are looking for an option to be able to tie the control channel lifetime to the data channel so that as long as as there is data transferring over the data channel the control channel won't time out.  Currently I don't know of any way to do this on Palo Alto Networks firewalls, is there any ability to do this?


L2 Linker

Hello Did you ever manage to solve this issue with the control channel timeout?  I have encountered the same problem, is it just a CLI command to alter the default 1800 idle session timeout?

Actually to increase the application timeout, you may browse to the OBJECTS tab in the GUI>>>>> APPLICATIONS>>>>>search for FTP and then customize the application idle timeout.

This should help you achieve what you are trying to achieve.


The best way to solve this problem is to configure the FTP client to send command (like NOOP) over the control channel at regular time.



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