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Is it possible to analyze ICMP packets with tcpdump?
Suggested Answer: A
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Yes, it is possible to analyze ICMP packets with tcpdump. While tcpdump is often associated with capturing TCP packets, it is not limited to them and can capture and analyze any protocol that traverses the network, including ICMP, which operates at Layer 3 (Network Layer) of the OSI model. ICMP packets do not use ports, but tcpdump can filter and display these packets based on other criteria such as type and code fields.
24 comments · newest first
LE
Lenna
16 days ago
I think B is a safe choice for ICMP analysis.
FR
Francoise
21 days ago
But C makes sense too. ICMP is different.
AR
Arlie
26 days ago
I feel like A is the best answer. Tcpdump is versatile!
MA
Marvel
1 month ago
D) No, since ICMP does not have any source or destination ports.
EL
Elliot
1 month ago
C) No, tcpdump works from layer 4. ICMP is layer 3.
HE
Helga
1 month ago
B) No, use fw monitor instead. Tcpdump isn't the best for ICMP.
DO
Dottie
2 months ago
I agree! Tcpdump can capture all types of packets.
BR
Britt
2 months ago
A) Yes, tcpdump is not limited to TCP specific issues.
AJ
Aja
2 months ago
But C makes sense too, it’s about layers.
FE
Felice
2 months ago
I feel like A is the best answer. Tcpdump is versatile.
RI
Rikki
2 months ago
D) No, since ICMP does not have any source or destination ports. That's a key point.
LA
Larue
2 months ago
C) No, tcpdump works from layer 4. ICMP is layer 3.
KA
Kaitlyn
3 months ago
B) No, use fw monitor instead. I think that's more reliable.
SH
Sharee
3 months ago
I agree, tcpdump can capture ICMP packets too.
BU
Bulah
3 months ago
A) Yes, tcpdump is not limited to TCP specific issues.
MO
Monte
3 months ago
C seems off, ICMP is definitely layer 3, but tcpdump still works with it.
LA
Lashawnda
3 months ago
B is wrong, tcpdump can handle ICMP just fine.
LE
Lemuel
3 months ago
Wait, can tcpdump really analyze ICMP? I thought it was just for TCP.
DA
Daren
4 months ago
Totally agree, tcpdump is versatile!
AL
Altha
4 months ago
A) Yes, tcpdump can capture ICMP packets!
MA
Mattie
4 months ago
I remember something about ICMP not having ports, but I thought tcpdump could still capture it. This is confusing!
BE
Bette
6 months ago
I feel like I've seen a similar question before, and it was about tcpdump being able to capture all types of packets, including ICMP.
RO
Rochell
6 months ago
I'm not so sure about that. I thought tcpdump was limited to certain protocols, but I can't recall the details.
BE
Becky
6 months ago
I think tcpdump can analyze ICMP packets since it's not just for TCP, right? I remember practicing that in class.