ICMP DOS attacks - Chapter 8 ICMP based DoS Attacks Zouheir...

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Zouheir Trabelsi Chapter 8: ICMP based DoS Attacks
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Zouheir Trabelsi 2 The Internet Layers and Protocols http ftp telnet SMTP Applications Layer TCP UDP Transport Layer IP Network Layer Physical Interface Data Link Layer & Physical Layer ICMP DNS
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Zouheir Trabelsi 3 Ethernet header IP header ICMP ICMP header Ethernet header IP header TCP or UDP header FTP, HTTP… Header and Data
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Zouheir Trabelsi 4 ICMP Message’s Type Control Error
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Zouheir Trabelsi 5 ICMP Header Format
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Zouheir Trabelsi 6 TYPE Description 0 Echo Reply 3 Destination Unreachable 4 Source Quench 5 Redirect (change a route) 8 Echo Request 9 Router Reply 10 Router request 11 Time Exceeded (TTL) 12 Parameter Problem with a Datagram TYPE Description 13 Timestamp Request 14 Timestamp Reply 15 Information Request (IP request in boot) 16 Information Reply 17 Address Mask Request 18 Address Mask Reply Error and Control ICMP Messages Types of ICMP Messages
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Zouheir Trabelsi 7 Request’s type = 8 Reply’s type = 0 Request’s type = 13 Reply’s type = 14 Request’s type = 17 Reply’s type = 18 Request’s type = 10 Reply’s type = 9 Ping ICMP Message’s Type: Query
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Zouheir Trabelsi 8 ICMP Query : Echo Request / Reply ICMP echo request : Type = 8 , Code = 0) ICMP echo reply : Type = 0 , Code = 0) Source Destination Ping
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Zouheir Trabelsi 9 ICMP Query : Echo Request / Reply
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Zouheir Trabelsi 10 ICMP Query : Timestamp Request / Reply
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Zouheir Trabelsi 11 Error ICMP Messages Type = 3 Type = 4 Type = 11 Type = 12 Type = 5 Error Messages
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ICMP DOS attacks - Chapter 8 ICMP based DoS Attacks Zouheir...

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