It's critical that your Linux network can transfer files. For this, the most common tool and protocol is File Transfer Protocol (FTP). This chapter briefly addresses FTP security.
File Transfer Protocol is the standard method of transferring files from one system to another. Its purpose is set forth in RFC 0765:
The objectives of FTP are 1) to promote sharing of files (computer programs and/or data), 2) to encourage indirect or implicit (via programs) use of remote computers, 3) to shield a user from variations in file storage systems among Hosts, and 4) to transfer data reliably and efficiently.
In these tasks, FTP excels. However, FTP has several critical security deficiencies:
FTP uses standard ...