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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...

"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

"CD really helpful"

DH, UK Government

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

DR, BT Group

"Really great, thanks very much"

IW, Cable and Wireless

"Really enjoyed the course..."

YD, Virgin Media

"Very knowledgeable"

CH, UK Government

"...really informative..."

KA, Dimension Data

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

KM, Ascom Wireless Services

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

MM, Siemens

"...excellent instructor!"

TR, Ericsson Services Limited

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

PD, TalkTalk

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

AL, UK Government

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

PK, Vodafone Group

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

PM, Orange

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

BD, DDB Lagos

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

PL, Digitalk

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

JP, Ascom Wireless Services

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

SG, Home Group

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

KP, Central Government

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

RG, Hewlett Packard

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

VC, Hewlett Packard

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

MT, UK Government

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

GD, Smith Barney

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

LK, Ericsson

"Nice and informative introductory course"

CO, MTN Nigeria

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

MT, UK Government

"A good start to understanding the NGOSS framework"

OO, MTN

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

PS, Intelsat

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

DH, UK Government

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

SR, Ericsson

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