Help Center/ Web Application Firewall/ API Reference (Paris)/ Appendix/ Character Set Specifications
Updated on 2022-12-29 GMT+08:00
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Character Set Specifications

  • Character Set Specifications for Key

    The key cannot be left blank or be an empty string.

    • In Deutsche Telekom, a tag key can contain uppercase letters, lowercase letters, digits, hyphens (-), underscores (_), and sign @.
    • In other environments, a tag key cannot contain the following characters: ASCII (0-31), equal signs (=), asterisks (*), left angle brackets (<), right angle brackets (>), backslashes (\), commas (,), vertical bars (|), and slashes (/).
  • Character Set Specifications for Value

    The value cannot be left blank but can be an empty string.

    • In Deutsche Telekom, a tag value can contain uppercase letters, lowercase letters, digits, hyphens (-), and underscores (_).
    • In other environments, a tag value cannot contain the following characters: ASCII (0-31), equal signs (=), asterisks (*), left angle brackets (<), right angle brackets (>), backslashes (\), commas (,), vertical bars (|), and slashes (/).
Parent topic: Appendix