Unix- TCP/IP Security (4)

• FTP - File Transfer Protocol

  • require login with username and password
  • must be properly patched to be secure
  • .netrc resides in the client’s home directory (can contain non encrypted user name , password and a machine name)
  • /etc/ftpusers on server defines who cannot use ftp server; ‘root’ should be defined here
  • ftp daemon should run with -l or -d option to monitor all ftp activity in syslog

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