TN-215: Shell Programming

Course Overview:

This intensive hands-on class teaches students to develop customized UNIX™ commands, read & write Bourne, Korn & Bash Shell scripts & automate critical server functions.  The course includes extensive lab exercises, including hands-on development & debugging of shell scripts, which will give students the ability to be more efficient and productive in less time. The focus of the course will be the Bash shell.

Attendees to TN-215: Shell Programming will receive TechNow approved course materials and expert instruction.

Dates/Locations:

Date/Time Event
03/23/2026 - 03/27/2026
08:00 -16:00 		TN-215: Shell Programming
TechNow, Inc, San Antonio TX
06/22/2026 - 06/26/2026
08:00 -16:00 		TN-215: Shell Programming
TechNow, Inc, San Antonio TX
09/14/2026 - 09/18/2026
08:00 -16:00 		TN-215: Shell Programming
TechNow, Inc, San Antonio TX

Duration: 5 days

Course Objectives:

  • Shell Review
  • Shell Interpretation of Quotes & Backslash
  • The Bash Shell
  • Shell’s combined with UNIX utilities
  • Programming Basics
  • Data Constructs
  • Programming Looping
  • Your Environment
  • More on Parameters
  • Advanced Shell Programming

Prerequisites:

Comments

Latest comments from students

User: hnzarate

Instructor comments: Very knowledgeable.

Facilities comments: This hotel needs better water.

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N-595: VoIP Security Analysis and Design

Course Overview:

As VoIP (Voice-over IP) is integrated into the operations of many missions, it is imperative to understand its security ramifications.  In the N-595: VoIP Security Analysis and Design class the objectives are designed for those who are chartered with the responsibility of securing networks and application environments that incorporate VoIP.   Topics include how VoIP works, its interactions with the network, its vulnerabilities and mitigations.  Focus is on leading open source and proprietary technologies utilizing Asterisk and Cisco and the protocols SIP, H.323, RTP, MGCP, and Skinny.  Other protocols such as Nortel's UNIStim will be addressed.  As for Cisco, security pieces in the VoIP CallManager servers, Catalyst switches, IOS-based routers, and ASA firewalls, amounts to several different platforms, each with its own management interface and lockdown procedures.   Various open source tools including those in BackTrack are used for VoIP attacks.  A task list of actions for securing enterprise VoIP is carried out in hands-on labs, performed on Cisco phones, routers, switches, and ASA firewalls.

Attendees to N-595: VoIP Security Analysis and Design will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 Days

Course Objectives:

  • VoIP Architecture
  • VoIP Signaling and media protocols
  • Common VoIP authentication mechanisms
  • Common VoIP encryption techniques
  • VoIP protocol analysis with Wireshark
  • Maintaining QoS while mitigating DoS
  • VoXML, XML, and application integration security
  • Converged network security design and implementation
  • Impact of NAT and firewalls
  • SIP, H.323, and MGCP vulnerabilities
  • VPN, IPsec and SRTP to secure VoIP services
  • Penetration testing with open source tools
  • Attacks for Eavesdropping, call redirection, and DoS
  • Design of hacked firmware virtualization layer
  • Concise lockdown steps for network hardware and VoIP

Prerequisites:

  • This is an advanced Information Security Course which requires basic Windows & UNIX competency
  • Certification or 2 years of experience in these operating systems is highly recommended
  • As well as an understanding of TCP/IP

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TN-335: Advanced Penetration Testing Using Open Source Tools

Course Overview:

This is an advanced course that assumes the attendee is a qualified security professional with experience using security tools and understands the concepts behind penetration testing. Courses that build up the expertise that enables a student to succeed in this course is Security+, CEH, CISSP, and any of the GIAC certifications. This course is completely hands-on and utilizes the BackTrack tool suite from backtrack-linux.org. The course covers, in detail, various attacks and tools that are contained in the BackTrack tool suite.

Attendees to TN-335: Advanced Penetration Testing Using Open Source Tools will receive TechNow approved course materials and expert instruction.

Dates/Locations:

No Events

Duration: 5 days

Course Objectives:

  • Information Security and Open Source Software
  • Operating System Tools
  • Firewalls
  • Scanners
  • Vulnerability Scanners
  • Network Sniffers
  • Intrusion Detection Systems
  • Analysis and Management Tools
  • Encryption Tools
  • Wireless Tools
  • Forensic Tools
  • More on Open Source Software

Prerequisites:

  • Experience in IT Security
  • Solid basic knowledge of networks and TCP/IP
  • Experience in command line under Linux and Windows is required

 

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