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Thank you. I probably did truncate it when copying, but appreciate your suggestion, I will try the non default port assignment and see if that does change, running the server behind a Sophos XG appliance. Just an FYI. When running just the non FTP over TLS, it works perfectly but just when trying to...

I don't think a malware issue but its the same issue with the thread above mine regarding Plain FTP not using the custom ports possibly. My firewall logs are showing ports being assigned are not the custom ports being forwarded.

How did you eventually fix the issue?

Is it possible to have both users on a system, ones connecting as FTP over TLS and the others Plain FTP. I have enabled FTP over TLS, set my Passive custom port range, certificate set and have no issues connecting using FTP over TLS. However with our China staff, they cannot have encryption through ...

How do I create a CIDR notation on an iP address as such. ie. 46.158.x.x/?

I want to be able to filter out every possible IP after the first 2 segments.

Thank you.

How do you deal with login attempts that have been going on for over 24 hours, every 5 minutes? The problem is although Auotban is set, the IP changes ever attempt using the same username, but running through various combos of passwords. 99% of the IP's are the Ukraine and Russian Federation. Which ...

From todays logs. (000356)8/19/2016 12:18:35 PM - (not logged in) (IP REMOVED)> Connected on port 21, sending welcome message... (000356)8/19/2016 12:18:35 PM - (not logged in) (IP REMOVED)> USER ftp (000356)8/19/2016 12:18:35 PM - (not logged in) (IP REMOVED)> 331 Password required for ftp (000356)...

I have been noticing a few users as "anonymous" and "ftp" in our log files and then the word HELP at the command line, is this someone trying to exploit the system? Eg. copy of the log * 8/11/2016 8:54:09 AM - (not logged in) (IP REMOVED)> 220-written by Tim Kosse (Tim.Kosse@gmx.de) * 8/11/2016 8:54...