Deal of The Day! Hurry Up, Grab the Special Discount - Save 25% - Ends In 00:00:00 Coupon code: SAVE25
Welcome to Pass4Success

- Free Preparation Discussions
Mail Us support@pass4success.com
Location US
Mob_nav_barsMENU

F5 Networks 303 Exam - Topic 3 Question 28 Discussion

-- Exhibit ---- Exhibit --Refer to the exhibit.An LTM Specialist is investigating reports that users are unable to perform some commands through an FTP virtual server. The users are receiving the FTP error "500 Illegal PORT command." The virtual server is configured to SNAT using automap. The LTM Specialist performs a capture on the server side of the LTM device.Why is the server returning this error?
C) Active IP address in PORT command
A) LIST command disallowed
B) PORT command disallowed
D) Active IP address in LOGIN command

F5 Networks 303 Exam - Topic 3 Question 28 Discussion

Actual exam question for F5 Networks's 303 exam
Question #: 28
Topic #: 3
[All 303 Questions]

-- Exhibit --

-- Exhibit --

Refer to the exhibit.

An LTM Specialist is investigating reports that users are unable to perform some commands through an FTP virtual server. The users are receiving the FTP error "500 Illegal PORT command." The virtual server is configured to SNAT using automap. The LTM Specialist performs a capture on the server side of the LTM device.

Why is the server returning this error?

Show Suggested Answer Hide Answer
Suggested Answer: C

by Yaeko at Apr 10, 2026, 12:31 AM

Limited Time Offer

25%

Off

Get Premium 303 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

0/2000 characters
Submit Cancel
Valentin
5 days ago
I just hope we get this right on the exam!
upvoted 0 times
...
Arletta
10 days ago
I agree, the PORT command is often restricted.
upvoted 0 times
...
Ben
16 days ago
That could be an issue, but I lean towards B.
upvoted 0 times
...
Jaclyn
21 days ago
But what about C) Active IP address in PORT command?
upvoted 0 times
...
Ronnie
26 days ago
I feel like that's right too. It makes sense.
upvoted 0 times
...
Laquita
1 month ago
I think it's B) PORT command disallowed.
upvoted 0 times
...
Latrice
1 month ago
Surprised to see this error pop up, thought FTP was pretty straightforward!
upvoted 0 times
...
Marjory
1 month ago
I thought automap would handle this, but maybe not?
upvoted 0 times
...
Kristal
2 months ago
Wait, could it be C? The active IP might be causing the problem.
upvoted 0 times
...
Rossana
2 months ago
Totally agree, that error usually means the PORT command isn't accepted.
upvoted 0 times
...
Francesco
2 months ago
B) PORT command disallowed is likely the issue.
upvoted 0 times
...
Nobuko
2 months ago
I didn't know FTP could throw such specific errors!
upvoted 0 times
...
Gaynell
2 months ago
Wait, are we sure it's not the active IP in the PORT command?
upvoted 0 times
...
Xochitl
2 months ago
I thought the LIST command could be the problem too.
upvoted 0 times
...
Mendy
4 months ago
Totally agree, that's a common issue with FTP setups.
upvoted 0 times
...
Brianne
4 months ago
Looks like the PORT command is disallowed.
upvoted 0 times
...
Lang
5 months ago
I'm a bit confused about the difference between the active IP address in the PORT command and the LOGIN command. Which one is more likely to cause this error?
upvoted 0 times
...
Franklyn
5 months ago
I feel like the LIST command was mentioned in another practice question, but I don't think that's the issue here.
upvoted 0 times
...
Rosina
5 months ago
I remember practicing a similar question where the issue was about the active IP address in the PORT command. Could that be it?
upvoted 0 times
...
Denna
5 months ago
I think the error might be related to the PORT command being disallowed, but I'm not entirely sure.
upvoted 0 times
...

Save Cancel