Here are the General Unix course offerings:
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:
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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Here are the Cisco Security course offerings:
- N-305: CCNA Bootcamp
- N-325: Implementing Cisco IOS Network Security (IINS)
- N-415: Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR)
- N-425 : Implementing Cisco Enterprise Advanced Routing and Services ( ENARSI)
- N-485: In-Depth Securing Networks with Cisco Firepower Threat Defense NGFW
- TN-865: Wireshark Network Traffic and Security Analysis
Course Overview:
The System Administration I for Red Hat course is designed for IT professionals working to become full-time enterprise Linux system administrators. This course gives the student direct experience with the most essential system administration tasks in the Red Hat. You will be instructed in crucial system management skills including: configuring network interfaces, client set up of network protocols, managing local disk devices, installation, package management, performing system boot procedures, grub and controlling system processes.
Attendees to RH-245: Linux System Administration I will receive TechNow approved course materials and expert instruction.
Dates/Locations:
| Date/Time | Event |
|---|---|
|
03/02/2026 - 03/06/2026 08:00 -16:00 |
RH-245: Linux System Administration I TechNow, Inc, San Antonio TX |
|
06/01/2026 - 06/05/2026 08:00 -16:00 |
RH-245: Linux System Administration I TechNow, Inc, San Antonio TX |
|
09/14/2026 - 09/18/2026 08:00 -16:00 |
RH-245: Linux System Administration I TechNow, Inc, San Antonio TX |
Duration: 5 days
Course Objectives:
- Installation
- Manage File Systems and Local Disk Drives
- Perform Mounts and Unmounts
- Perform System Boot Procedures
- Tuning and Maintaining the Kernel
- Control System Processes
- Perform User Administration
- Installing and Managing Services
- Perform Package Administration
- Client Setup of SSH and Printing
Prerequisites:
Comments
Latest comments from students
User: mlspence
Instructor comments: Bill was awesome! He did a fantastic job teaching the course mater to everyone in the class. He made sure everyone was able to keep up and that they understood the material before moving on. Thanks!
Facilities comments: They were great as well
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DoD 8570 Training
The Department of Defense requires that all information assurance personnel must become compliant with IT and security certification standards.
DoD 8570 training, also called Information Assurance training, is available through TechNow to provide you with the certification that is required. Your DoD 8570 training ( information assurance training ) at TechNow will provide you with all of the courses necessary to receive your DoD 8570.01-M certification.
Ongoing open enrollment through TechNow is available for our DoD 8570.01-M courses.
Please review the full & updated DoD approved IA baseline certifications aligned to each category & level of the IA workforce.

- CL-315: CCSP – Certified Cloud Security Professional Preparation Seminar
- CT-205: A+ Certification Course
- CT-208: A+ Extended Boot Camp
- CT-225: Network+
- CT-325: Security+
- CT-395: CySA+ Cybersecurity Analyst
- CT-425: CompTIA SecurityX
- TN-415: Computer Hacking Forensics Investigator (CHFI)
- TN-545: Certified Network Defender
- TN-555: Certified Ethical Hacker v13 (CEH)
- TN-715: Systems Security Certified Practitioner (SSCP)
- TN-812: Information Systems Security Engineering Professional (ISSEP)
- TN-813: Certified in Governance, Risk and Compliance (CGRC)
- TN-8150: CISSP Certification Preparation Seminar
- TN-822: Certified Information Systems Auditor (CISA) Seminar
- TN-825: Certified Information Security Manager (CISM) Seminar
- TN-835: Certified in Risk and Information Systems Control (CRISC) Preparation Seminar
- TN-865: Wireshark Network Traffic and Security Analysis
For further information or to schedule for classes, call us at 800-324-2294