Network Security in Linux Training Course

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Course Language

This course is delivered in Polish or English.

Course Code


Duration Duration

14 hours (usually 2 days including breaks)

Requirements Requirements

Knowledge of any Unix-like system, and the basic structure of TCP / IP networks.

Overview Overview

During the course, participants will learn:

  • What is denial of service attacks, Flooding, Sniffing, MIM?
  • How to break from the network to the server?
  • How to watch packets on the network (also running on switches)?
  • Do you watch any combination of the world?
  • How to monitor the network?
  • How to configure a firewall?
  • How to use encrypted connections?
  • How to create tunnels?
  • How to log packets?
  • How to scan ports?
  • How to reduce the number of unnecessary services on the server?

Course Outline Course Outline

Turn off unnecessary services

Flood Ping


  • Sniffit
  • Ettercap
  • Tcpdump

Network monitoring

  • Scanning ports (nmap, nessus)
  • LAN traffic monitor (iptraf)
  • Monitoring changes in Ethernet network interface cards, and IP number by users (arpwatch)
  • Dump traffic on a network (tcpdump)

Logging packets

  • Log packets from the use of mechanisms NetFilters and iptables
  • IP Protocols Logger (ippl)

Firewall (based on NetFilters and iptables)

  • Packet path through the filters
  • Create your own chains


  • WWW Proxy (Squid)


  • SSLwrap
  • SSH and SCP
  • SSH Tunnelling


  • Obtaining information about the owner of the IP address and domain
  • Alert the authorities of a breach of the law

Guaranteed to run even with a single delegate!
Public Classroom Public Classroom
Participants from multiple organisations. Topics usually cannot be customised
From 1279PLN
Private Classroom Private Classroom
Participants are from one organisation only. No external participants are allowed. Usually customised to a specific group, course topics are agreed between the client and the trainer.
Private Remote Private Remote
The instructor and the participants are in two different physical locations and communicate via the Internet
From 2900PLN
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The more delegates, the greater the savings per delegate. Table reflects price per delegate and is used for illustration purposes only, actual prices may differ.

Number of Delegates Public Classroom Private Remote
1 1279PLN 2900PLN
2 1040PLN 1850PLN
3 960PLN 1500PLN
4 920PLN 1325PLN
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Upcoming Courses

VenueCourse DateCourse Price [Remote/Classroom]
Olsztyn, ul. Kajki 3/1Mon, 2016-11-07 09:002900PLN / 1379PLN
Zielona Góra, ul. Reja 6Mon, 2016-11-07 09:002900PLN / 1379PLN
Warszawa, ul. Złota 3/11Wed, 2016-11-09 09:002900PLN / 1279PLN
Bydgoszcz, ul. Dworcowa 94Tue, 2016-11-15 09:002900PLN / 1379PLN
Kraków, ul. Rzemieślnicza 1Tue, 2016-11-22 09:002900PLN / 1679PLN

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