Remote lab network security Blended learning Njotea Robin.

Remote labRemote labnetwork security network security

Blended learningBlended learning

Njotea RobinNjotea Robin

SummarySummary

High schoolHigh schoolThe assignmentThe assignment

Lower level applications and techniquesLower level applications and techniques

Advanced web applicationAdvanced web application

ConclusionConclusion

Questions? Questions?

High SchoolHigh School

Katholieke Hogeschool KempenKatholieke Hogeschool Kempen

Staf VermeulenStaf Vermeulen

Cisco Networking Academy ProgramCisco Networking Academy Program CCNACCNA CCNPCCNP

Blended learning Blended learning Grundtvig-project Blended learning and Grundtvig-project Blended learning and

intercultural dialogueintercultural dialogue

SummarySummary

High schoolHigh school

The assignmentThe assignmentLower level applications and techniquesLower level applications and techniques

Advanced web applicationAdvanced web application

ConclusionConclusion

Questions?Questions?

The assignmentThe assignment

CCNA lab'sCCNA lab's Router simulatorsRouter simulators

Remote lab network securityRemote lab network security

Practice at home using an advanced web Practice at home using an advanced web applicationapplication

The assignmentThe assignment

Lower level applications and techniquesLower level applications and techniques Tom BoschTom Bosch Telnet session with routersTelnet session with routers Virtual computer and remote desktopVirtual computer and remote desktop

Web applicationWeb application Robin NjoteaRobin Njotea PHP with MySQL databasePHP with MySQL database

The assignmentThe assignment

Network topography:Network topography:

The assignmentThe assignment

Inside dotted line: Lab topographyInside dotted line: Lab topography

Outside dotted line: Administrative networkOutside dotted line: Administrative network

Async module: Translation telnet - serial Async module: Translation telnet - serial connectionconnection

SummarySummary

High schoolHigh school

The assignmentThe assignment

Lower level applications and techniquesLower level applications and techniques

Advanced web applicationAdvanced web application

ConclusionConclusion

Questions?Questions?

Lower level techniquesLower level techniques

Network Address Translation (NAT)Network Address Translation (NAT)

Translate internal IP address to external IP Translate internal IP address to external IP address and visa versaaddress and visa versa

Disadvantage: As much external IP addresses Disadvantage: As much external IP addresses as internal IP addresses neededas internal IP addresses needed

Lower level techniquesLower level techniques

Port Address Translation (PAT)Port Address Translation (PAT)

Translate several internal IP addresses to one Translate several internal IP addresses to one external IP address with different port numberexternal IP address with different port number

Advantage: Use one external IP address for Advantage: Use one external IP address for several internal IP addressesseveral internal IP addresses

Internal address External address

192.168.1.5:80 200.0.0.1:2000

192.168.1.63:23 200.0.0.1:2101

… …

Lower level techniquesLower level techniques

Telent session (Async)Telent session (Async)

Start-up with empty routersStart-up with empty routers

Batch file:Batch file: Move log fileMove log file Reload router scriptReload router script Remove “old” static translation from routerRemove “old” static translation from router Generate random port numberGenerate random port number Add “new” static translationAdd “new” static translation

SummarySummary

High schoolHigh school

The assignmentThe assignment

Lower level applications and techniquesLower level applications and techniques

Advanced web applicationAdvanced web application

ConclusionConclusion

Questions?Questions?

Advanced web applicationAdvanced web application

Student loginStudent login

View a CCNP labView a CCNP lab Advanced routersAdvanced routers

PixPix

ReservationReservation Different lab’s different reservation Different lab’s different reservation

pagespages

Insert reservation in a databaseInsert reservation in a database

Holding timeHolding time

Carry out batch filesCarry out batch files

Advanced web applicationAdvanced web application

Advanced web applicationAdvanced web application

Carry out labCarry out lab Get reservation information from Get reservation information from

databasedatabase

Which lab which applicationWhich lab which application

Batch filesBatch files Log each sessionLog each session

Reload each application for reuseReload each application for reuse

Advanced web applicationAdvanced web application

Advanced web applicationAdvanced web application

SummarySummary

High schoolHigh school

The assignmentThe assignment

Lower level applications and techniquesLower level applications and techniques

Advanced web applicationAdvanced web application

ConclusionConclusionQuestions? Questions?

ConclusionConclusion

Research different aspectsResearch different aspects

Keeping it simple makes it harderKeeping it simple makes it harder

2 large parts:2 large parts: Lower level applications and techniquesLower level applications and techniques Advanced web applicationAdvanced web application

Bring these parts back togetherBring these parts back together

SummarySummary

High schoolHigh school

The assignmentThe assignment

Lower level applications and techniquesLower level applications and techniques

Advanced web applicationAdvanced web application

ConclusionConclusion

Questions?Questions?

QuestionsQuestions

Thanks for listeningThanks for listening

Any questions?Any questions?