DNS

DNS 1 FORMERR vs 17 BADKEY

Both DNS 1 (FORMERR) and 17 (BADKEY) belong to the DNS Response Codes (RCODEs) category. 1 indicates that format error. The name server was unable to interpret the query due to a malformed DNS message. Meanwhile, 17 means that key not recognized. The TSIG key name in the message is not configured on the server.

الوصف

Format error. The name server was unable to interpret the query due to a malformed DNS message.

متى تراه

Your DNS client or library sent a query the server could not parse, often caused by a buggy resolver, corrupted packet, or unsupported EDNS options.

كيفية الإصلاح

Check your DNS client or library version for known bugs. Capture the raw query with dig or Wireshark and verify it conforms to the DNS wire format.

الوصف

Key not recognized. The TSIG key name in the message is not configured on the server.

متى تراه

Your TSIG-signed query or update references a key name that the server does not have in its keyring, so it cannot verify the signature.

كيفية الإصلاح

Ensure the TSIG key name matches exactly (case-sensitive) on both client and server. Add the missing key to the server's configuration if it is a new key.

الفروق الرئيسية

1.

DNS 1: Format error. The name server was unable to interpret the query due to a malformed DNS message.

2.

DNS 17: Key not recognized. The TSIG key name in the message is not configured on the server.

3.

You encounter 1 when your DNS client or library sent a query the server could not parse, often caused by a buggy resolver, corrupted packet, or unsupported EDNS options.

4.

You encounter 17 when your TSIG-signed query or update references a key name that the server does not have in its keyring, so it cannot verify the signature.

متى تستخدم أيًا منهما

For 1 (FORMERR): Check your DNS client or library version for known bugs. Capture the raw query with dig or Wireshark and verify it conforms to the DNS wire format. For 17 (BADKEY): Ensure the TSIG key name matches exactly (case-sensitive) on both client and server. Add the missing key to the server's configuration if it is a new key.

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