Firewalls - Missing Edge Case for Step 15
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Description
This solution is incorrect, but the notebook does not detect a correct/incorrect solution from it. The notebook prints "an error occurred". Update the solution so that it will match for this edge case.
umdclassqidu@server:~$ sudo iptables -S
-P INPUT ACCEPT
-P FORWARD ACCEPT
-P OUTPUT ACCEPT
-A INPUT -d 10.0.1.2/32 -i eth1 -p tcp -m tcp --sport 3306 -j DROP
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Research direction
Inspect the Step 15 solution in the notebook and reproduce the case with the shown iptables output. Trace why this valid but incorrect firewall rule produces "an error occurred"; done means the notebook distinguishes this edge case as correct or incorrect instead of failing to detect it.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- linux
- Domain
- operating-systems, security
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100