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Security in Linux Systems: Hands-on

Key Information

  • Level: Advanced (Level 3)
  • Duration: 4 Day Course
  • Delivery: Instructor led with attendee workshops
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Venue Name
Onsite at your premisesEnquire Now

Prerequisites:

Familiarity with the operation of basic IP networks is assumed, and familiarity with basic administrative operations on UNIX/Linux is useful

Outline and Objectives:

Businesses of all sizes are adopting one of the various distributions of Linux as key elements in their networking and telecommunications strategy. The Linux kernel at release 2.6 includes powerful options for controlling access using Security-Enhanced Linux (SELinux) in addition to conventional system hardening techniques. The Iptables/netfilter firewall allows access control and powerful filtering of packets. This course takes attendees through all stages of installing, configuring, testing and operating both of these powerful packages, using a sophisticated classroom network.

Who Should Attend:

This course is aimed at IT staff, cross-training engineers, operations staff, and anyone who needs to understand the principles and practices of implementing highly secure Linux systems. The course involves extensive hands-on exercises for attendees throughout its duration.

Course Contents:

  • Techniques Used by Attackers
  • Vulnerabilities and Testing Tools
  • Configuration of SELinux Using Defaults
  • Defined Users and Customised Policies
  • SELinux Configuration Tools
  • Iptables/netfilter as a Stateful Packet Inspection Filter
  • Features and Syntax of Iptables
  • Building a Standalone Basic Firewall
  • Control of Well-Known TCP Services: Telnet, SSH, FTP, HTTP,HTPPS
  • Control of UDP-based Services: SMTP, DHCP, SMTP, DNS
  • Control of ICMP and DoS Prevention
  • NAT/NAPT Capabilities of Iptables/netfilter
  • Troubleshooting Firewall Rules

What customers say...

"Nice and informative introductory course"

CO, MTN Nigeria

"Very well explained, and made it make sense to a newcomer to telecoms"

SG, Home Group

"...a well run event, thank you."

PM, Orange

"Very knowledgeable"

CH, UK Government

"Very knowledgeable...have learnt much more than I expected..."

DH, UK Government

"...a huge knowledge of the subject, and explains things superbly..."

SR, Ericsson

"...excellent instructor!"

TR, Ericsson Services Limited

"....an excellent instructor..."

DR, BT Group

"...very interesting, useful and informative."

PS, Intelsat

"...really informative..."

KA, Dimension Data

"...the NGOSS course was a complete sucess...thank you..."

RG, Hewlett Packard

"Really great, thanks very much"

IW, Cable and Wireless

"...presenter had excellent knowledge..."

PD, TalkTalk

"...very well delivered by a technically able and enthusiastic instructor..."

PK, Vodafone Group

"...Thank you, excellent presentation of course..."

LK, Ericsson

"...able to customise to our requirements in short order....very impressed..."

KP, Central Government

"Course fully related to the work we do. Found Nagios user friendly..."

AL, UK Government

"Very interesting, and instructor happy to adapt to my needs. Thank you"

PL, Digitalk

"Very informative, and able to build on knowledge gained"

KM, Ascom Wireless Services

"CD really helpful"

DH, UK Government

"Really enjoyed the course..."

YD, Virgin Media

"Instructor could answer any question...would gladly recommend strongly"

MT, UK Government

"...feedback we received from colleagues was very positive: instructor, quality, materials, content and facilities. Thank you..."

VC, Hewlett Packard

"(Instructor) knowledge excellent, and everyone had fun"

JP, Ascom Wireless Services

"...knew his subject in depth, with technical knowledge to add..."

GD, Smith Barney

"....excellent overview of all the technologies."

MM, Siemens

"A good start to understanding the NGOSS framework"

OO, MTN

"It was a very revealing session. It delivered perfectly on my expectations"

BD, DDB Lagos

"Really useful! Helped to meet my work objectives"

KP, Virgin Media

"Many thanks for a wonderful course...I thoroughly enjoyed it..."

ND, Commonwealth Telecommunications Organisation

"Instructor really made a technical subject understandable..."

MT, UK Government

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