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Table: Hacker attack types recognized by the IDS

Intrusion Name Detect Parameter Blacklist

Type of Block

Duration

Drop Packet Show Log

Ascend Kill Ascend Kill data Src IP DoS Yes Yes

WinNuke

TCP

Port 135, 137~139,

Flag: URG

Src IP DoS Yes Yes

Smurf

ICMP type 8

Des IP is broadcast

Dst IP

Victim

Protection

Yes Yes

Land attack SrcIP = DstIP Yes Yes

Echo/CharGen

Scan

UDP Echo Port and

CharGen Port

Yes Yes

Echo Scan

UDP Dst Port =

Echo(7)

Src IP Scan Yes Yes

CharGen Scan

UDP Dst Port =

CharGen(19)

Src IP Scan Yes Yes

X’mas Tree Scan TCP Flag: X’mas Src IP Scan Yes Yes

IMAP

SYN/FIN Scan

TCP Flag: SYN/FIN

DstPort: IMAP(143)

SrcPort: 0 or 65535

Src IP Scan Yes Yes

SYN/FIN/RST/ACK

Scan

TCP

No Existing session

And Scan Hosts more

than ve.

Src IP Scan Yes Yes

Net Bus Scan

TCP

No Existing session

DstPort = Net Bus

12345,12346, 3456

SrcIP Scan Yes Yes

Back Orice Scan

UDP, DstPort = Orice

Port (31337)

SrcIP Scan Yes Yes

SYN Flood

Max TCP Open

Handshaking Count

(Default 100 c/sec)

Yes

ICMP Flood

Max ICMP Count

(Default 100 c/sec)

Yes

ICMP Echo

Max PING Count

(Default 15 c/sec)

Yes

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