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Release Info

Secure Shell (SSH) provides many services. Among them is File-Transfer; Secure File Transfer Protocol (SFTP). SFTP is included, standard, as part of the SSH toolset. It moves data, in an FTP-like manner, securely, via SSH as the transport. As such, it is secure and can be used for sensitive data transmissions. Spend some time exploring SFTP services offered by SSH in this release.

Release Syllabus

Secure File Transfers

Secure File Transfer Protocol (SFTP) Security - Module X

  • Introduction - Topology - Features
    • Discuss course outline
    • Explore network topology
    • Identify key systems to be used
    • Discuss key SFTP features
  •  
  • FTP Analyses - Caveats & Ramifications
    • Identify FTP caveats
    • Intercept FTP Client | Server traffic using TCPDump
    • Analyze traffic streams using WireShark
    • Install PuTTY SFTP | SSH clients on Windows
    • Generate SFTP traffic using PuTTY
    • Analyze SFTP traffic using WireShark
    • Compare and contrast FTP | SFTP traffic streams
    • Disable | Remove FTPD services
  •  
  • Secure Copy Program (SCP)
    • Discuss features and benefits
    • Generate test data for transmissions via SCP
    • Transfer test data to various systems using SCP
    • Confirm applied permissions
    • Use 'pscp' on Windows to transfer test data to various systems
    • Reverse transfers with SCP
    • Implement rate limiting of transfers with SCP
    • Examine SCP behavior with respect to existing | nonexisting data
    • Evaluate results
  •  
  • SFTP on SUSE® Enterprise Linux
    • Connect to remote SUSE Enterprise system
    • Identify key binaries
    • Discuss common command-line options
    • Initiate SFTP sessions
    • Debug corrupt public key upon connection
    • Explore SFTP interactive mode
    • Examine SFTP instances in the process table
    • Transfer data using SFTP
  •  
  • SFTP on RedHat® Enterprise Linux
    • Discuss features and benefits
    • Identify key binaries
    • Initiate connections
    • Perform puts and gets
    • Enable debugging on multiple levels and evaluate key output
    • Explore remote and local identity files for SSHv1 & SSHv2
    • Evaluate results
  •  
  • SFTP on Solaris®
    • Discuss features and benefits
    • Obtain pseudo-terminal on Solaris system
    • Identify key binaries
    • Compare and contrast Linux | Solaris 'sftp' options
    • Transfer test data
    • Examine transfer status in progress
    • Enable debugging
    • Discuss the function of the 'known_hosts' file
    • Explain SFTP key management
    • Explore identify files
    • Examine escape character sequences in SFTP and SSH
  •  
  • SFTP on MacOSX®
    • Discuss features and benefits
    • Initiate SSH session with debugging on MacOSX
    • Explore debug output
    • Identify key binaries and associated permissions
    • Peruse 'sftp' command-line options
    • Connect to Solaris system into non-standard location
    • Discuss first-time SFTP|SSH connectivity ramifications
    • Transfer test data and evaluate
    • Identify global configuration files - contrast with Linux|Solaris
    • Use 'sftp' non-interactively
  •  
  • SFTP on Windows® Server
    • Discuss features and benefits
    • Initiate 'rdesktop' session to Windows Server
    • Configure and use PuTTY
    • Explore 'psftp' interactive commands - contrast with Linux|Solaris|MacOSX
    • Initiate connectivity with 'psftp' interactively
    • Use 'psftp' to transfer test data
    • Enable debugging
  •  
  • SFTP with FileZilla
    • Discuss features and benefits
    • Download FileZilla
    • Configure to use SFTP
    • Initiate connections to remote systems
    • Transfer test data
    • Use PuTTY to examine SFTP PID on remote system for FileZilla
  •  
  • Public Key Authentication with SFTP
    • Discuss features and benefits
    • Generate PKI usage keys on various platforms
    • Identify key files
    • Share usage keys with communicating partners
    • Initiate passwordless connections
    • Move test data seamlessly
    • Integrate FileZilla with PuTTY public key authentication
    • Evaluate results
  •  
  • SFTP on FreeBSD
    • Discuss features and benefits
    • Identify key binaries
    • Initiate oubound SFTP connections from FreeBSD to various hosts
    • Enable debugging
    • Dictate identity file selection via the command-line
    • Use wildcards and metacharacters with 'sftp'
    • Enable debugging
    • Enable SSH server on non-standard port
    • Evaluate connectivity via command-line override
    • Use the shell within interactive SFTP sessions
  •  
  • SFTP - Batch Processing Mode
    • Discuss features and benefits
    • Define and execute a simple batch
    • Evaluate results
    • Explore error handling of the batch processor
    • Supply input from STDIN
    • Expand the batch process to include more useful steps
    • Create and execute a simple backup process for SFTP
    • Integrate SFTP batch process with Cron
  •  
  • SFTP Configuration Control
    • Discuss features and benefits
    • Explore: command-line, user, and system-wide logic and options
    • Implement directives at each tier and evaluate
  •  
  • LFTP with SFTP
    • Discuss features and benefits
    • Initiate manual connections
    • Define connection string for automation
    • Connect to remote systems via SFTP
    • Enable debugging
    • Explore how LFTP uses SSH to function similar to SFTP
    • Transfer test data
    • Configure LFTP to use public key auth
    • Define batch steps to move test data
    • Evaluate results
  •  
  • Restrict SSH Sessions to SFTP Only
    • Discuss features and benefits
    • Explore key configuration files
    • Apply changes to various hosts
    • Evaluate results
  •  
  • IPv6 Integration
    • Explore IPv6 environment
    • Configure name resolution for IPv6
    • Test IPv6 connectivity with SFTP
    • Evaluate results
  •  

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