An administrator is trying to implement an exception to an external dynamic list manually. Some entries are shown underlined in red. What would cause this error?

Question

Options

• AEntries contain symbols.
• BEntries are wildcards.
• CEntries contain regular expressions.
• DEntries are duplicated.

• A
  5% (2)
• B
  3% (1)
• C
  3% (1)
• D
  90% (36)

Explanation

Duplicate entries in an External Dynamic List (EDL) exception list are flagged with red underlining because the system cannot apply the same exception twice - the conflict makes the entry invalid and the administrator must resolve it before the policy can be committed. Symbols (A) are valid in EDL entries such as dots in IP addresses or slashes in CIDR notation, so they do not trigger this specific error. Wildcards (B) are actually supported in URL/domain-type EDL exceptions, making them a valid input rather than an error condition. Regular expressions (C) are unsupported in EDLs entirely, but their rejection typically produces a different validation message, not the red-underline duplicate indicator.

Memory tip: Think "Red = Redundant" - when you see red underlining in an EDL exception list, the system is telling you the entry has already been entered and is a redundant duplicate.

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