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Architecture for MANETs.
deny-by-defaultprinciple.
Enforcement policy is done hop-by-hop,
in distributed manner
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Overcomes the bottlenecks of the original architecture
and propose improvements.
Incurs minimal overhead in throughput, latency and jitter
for achieving good performance than the existing system.
Protects network bandwidth.
Multi-hop topologies
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Using third party software ( Antivirus , Firewall ..,) for detect and blockunwanted packet.
Hackers easy to hack user pc.
Antivirus does not identify a new protocol user, who updates anapplication in every virus.
Draw Backs
Time-consumingComplaints delay
Tedious and Complex
Slow updating and retrieval of information
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Time consumed is reduced.
On-the-fly content viewing.
Parse and decode an variety of network protocol.
Protocol definition tool.
Port Scanner utility.
Invalid Packet Filtering
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Sniffer UI Module
Sniffer Module
Port Scanner Module
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Start
A pair of filters
Start
Filtering ?
Yes
Yes
No
NoWait
indefinitely Allow
Packets ?
Deny packets Allow packets
StopStop
Stop
Flow Chart
Creates user interface.
Checks validity of
sniffed packets.
Keeps a count of all thepackets.
Checks for connection.
Pings devices.
Traces the routes
between nodes.
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Stop
Stop
STSSSSSStream of
packets
Start
Yes NoStart
Sniffing ?
Wait
indefinitely
Sniff all the
packets
Stop Stop
Flow Chart
Filtering of packets.
Allows the administrator to
ALLOW or DENY a
packet.
Addition or removal of
new/odd protocols.
Create sockets.
Parses IPv4 datagram.
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SNIFFER TOOL- SNIFFING THE INVALID PACKETS
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1) Flow of packets 2) Flow of invalid packets 3) Administrator blocks
flow of packets
4) Run the sniffer tool
5) Invalid packets blocked
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STSSSSS
STSSSSSSTSSSSSDisplay ports
not listening
Display ports
listening
Start
Range of ports
Port
Busy ?
Stop Stop
YesNo
FlowChart
Port scanner is a software
application.
Used by administrators to
verify security policies.
Identify attackers trying to
run illegal services.
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PORT SCANNER- SCANNING OF PORTS
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1) Range of ports
2) Check for busy
ports
3) Busy and free
ports list
4) Use of free
ports
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Unit Testing
Integration Testing
Validation Testing
Verification Testing
Test Cases
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Works well at the network layer.
Incurs minimal overhead in throughput, latency and jitter.
Protects network bandwidth and the end hosts in the presence of attackers.
Creating multi-hop topologies.
Achievement of better performance
Faster data transfer rate.
Provides efficient user interface.
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Can update to all Network protocols.
Can Enhance for Mobile Networks.
Update for other type of network like Fiber Optics...
Can Enhance to all network related information.
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