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Well I don't think you need to worry about changing the ssh login passwords due to the fact that ssh is encrypted. VSFTP on the other hand is not encrypted. On the other hand there are tools that come with the OpenSSH package that allow encrypted file transfers. May I ask what the exact purpose of you ftp server is?
the purpose of my ftp server is that people can transfer their files onto the server and work on the server. the server also hosts a webserver and a database for testing, some dedicated nwn wolf and quake stuff and the backup of my workstation. so i don't want any newbie sniffer to get acces to my server, because of the clear text pwds that are used by ftp!
some of the people who work outside and need to transfer files to my server work under windows so they are not able, or too lazy to use ssh copy or something like that!
so a different ftp password would be of use! because if the ftp password gets hacked only the ftp account and the files there can be accessed
i know proftpd can do this! but proftpd sucks! i want vsftp because of its speed and scalability!
hmm... i hoped that there is an easier way to do this, instead of handling those pam things! it's quite an involved thing to do so!
-> but i think this is the only way!
if anyone knows an easier way tell me please!