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Note: I will only upvote if ALL parts are answered, and if they are, it is a guaranteed upvote. thanks. (T/F) All ARP spoofing, IP
Note: I will only upvote if ALL parts are answered, and if they are, it is a guaranteed upvote. thanks.
- (T/F) All ARP spoofing, IP fragmentation attack, and a TCP SYN flooding can be used with IP spoofing
- (T/F) A TCP SYN flood occurs when the accept queue is full
- (T/F) The TCP three-way handshake consists of SYN, SYN, and ACK.
- (T/F) A client application typically uses a well-known port number
- (T/F) In a TCP three-way handshake in which the client sends a SYN with 123456 as its initial sequence number, the server sets the acknowledgment number to 123456 in order to respond to the SYN packet.
- (T/F) In a TCP SYN flood, the actual host who owns an IP address spoofed by the attacker receives SYN-ACK and sends out ACK.
- (T/F) A client waits for an ACK from the server when its TCP connection is half-open.
- (T/F) A half-open connection can remain permanently on the server side.
- A connection regardless of the transport layer protocol can be identified by a tuple, (_________________________________)
- (T/F) UDP is a connection-oriented protocol
- (T/F) If a TCP connection is encrypted, you cannot launch a TCP RST attack. Explain your answer.
- In the following flow graph of a Telnet connection, what will be the seq and ack numbers of the last ACK?
10.0.2.6 10.0.2.7 SYN(S 3670108789, A O, Len:) SYN_ACKIS 228983404, A 3670108790, Len: 0) ACK(S 3670108790, A 228983405, Len: 0) Telnet Data (5 3670108790, A 228983405, (Data)Len: 27, PSH_ACK) ACKS 228983405, A 3670108817, Len: 0) Telnet Data (s 228983405, A 3670108817. (Data)Len: 12, PSH_ACK) ACK(S 3670108817, A 228983417, Len: 0) Telnet Data (S 228983417, A 3670108817, (Data)Len: 39, PSH_ACK) ACK(S 3670108817, A 228983456, Len: 0) Telnet Data (5 3670108817, A 228983456, (Data)Len: 66, PSH_ACK) Telnet Data (5 228983456, A 3670108883, (Data)Len: 3, PSH_ACK) Telnet Data (5 367010883, A 228983459. (Data)Len: 3, PSH_ACK) Telnet Data (5 228983459, A 367010886, (Data)Len: 3, PSH_ACK) Telnet Data (5 367010886, A 228983462,(Data)Len: 3, PSH_ACK) Telnet Data (S 228983462, A 367010889, (Data)Len: 20, PSH_ACK) ACK (S (Data)Len: 0)
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