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What port scanning method is the most reliable but also the most detectable?
Suggested Answer: B
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A TCP Connect scan, named after the Unix connect() system call is the most accurate scanning method. If a port is open the operating system completes the TCP three-way handshake, and the port scanner immediately closes the connection.
15 comments · newest first
BR
Brittney
1 month ago
I agree, but if you want reliability, B is the way to go.
HU
Hubert
2 months ago
A) Null Scanning is sneaky, but not as reliable as Connect.
NI
Nida
2 months ago
Half Scanning is good, but Connect Scanning gives clear results.
CA
Carylon
2 months ago
I prefer E) Half Scanning. Less detectable, but still effective.
MI
Micheal
2 months ago
True, but it's super detectable. Firewalls catch it easily.
LA
Lauran
2 months ago
I think B) Connect Scanning is the most reliable. It establishes a full connection.
WI
Willodean
3 months ago
Surprised to see Connect Scanning as the answer!
GR
Grover
3 months ago
I've always thought ICMP Scanning was pretty sneaky.
DO
Donette
3 months ago
Wait, isn't Half Scanning more reliable?
SH
Shantell
3 months ago
Totally agree, it's super detectable though!
CA
Casie
3 months ago
Connect Scanning is the most reliable.
RE
Reuben
3 months ago
I’m leaning towards Connect Scanning as well, but I’m a bit uncertain about the detection aspect compared to the others listed.
OR
Oretha
4 months ago
I feel like I saw a question similar to this in our last practice exam, and Connect Scanning was the answer there too, but I could be mixing it up.
CO
Cordelia
4 months ago
I remember practicing with different scanning methods, and Connect Scanning stood out as being straightforward but also quite noticeable.
RO
Rosann
4 months ago
I think Connect Scanning is the most reliable because it establishes a full connection, but I'm not entirely sure if it's the most detectable.