You are attempting to man-in-the-middle a session. Which protocol will allow you to guess a sequence number?

The correct answer is A. TCP. At the establishment of a TCP session the client starts by sending a SYN-packet (SYN=synchronize) with a sequence number. To hijack a session it is required to send a packet with a right seq-number, otherwise they are dropped.

Sniffing and Session Hijacking

Question

Options

ATCP
BUPD
CICMP
DUPX

How the community answered

(47 responses)

A
81% (38)
B
4% (2)
C
4% (2)
D
11% (5)

Explanation

At the establishment of a TCP session the client starts by sending a SYN-packet (SYN=synchronize) with a sequence number. To hijack a session it is required to send a packet with a right seq-number, otherwise they are dropped.

Topics

#TCP#session hijacking#sequence numbers#MITM

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