Secure proftp by using tls
I'm wondering myself why proftp with tls is not standard in ISPconfig but I'm verry interested how to make the ftp connection secure. All password passwords are sended as plaintext. Right?
Do you now a good howto for making proftp secure by using tls?
Ok, I just worked it out:
Make your proftp secure by using tls
# look for compiled moduls:
# if not --> compile proftp with tls :
# create ssl-certificate
# restart proftp
# The ftpclient (with the abillity to use tls) should show that while connecting:
Syntax: TLSRequired on|off|ctrl|data
#Don't use a specific ssl certificate. To start you shold use that
# Require SSL/TLS on the control channel, so that passwords are not sent
# in the clear.
# Require SSL/TLS on both channels.
Thanks for the Howto. I moved it to the Tips & Tricks forum.
Make it work with ISPConfig
Since this post regards ISPConfig someone should mention that the
<IfModule mod_tls.c>should be written into /etc/proftpd_ispconfig.conf
To make it really work you should add
PassivePorts 60000 60100(or any range you like) before <IfModule mod_tls.c> and open the respective ports in your firewall.
The background is, that the firewall can't inspect the encrypted traffic and therefore can't determine the passive ports the filetransfer will take (and hence can't open them). With the above settings you will force proftpd to take the specified ports which you opened in the firewall.
At least that's the way that finally worked for me.
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