DNS 11 DSOTYPENI vs 19 BADMODE
Both DNS 11 (DSOTYPENI) and 19 (BADMODE) belong to the DNS Response Codes (RCODEs) category. 11 indicates that dSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server. Meanwhile, 19 means that bad TKEY Mode. The TKEY mode field contains a value not supported by the server.
Mô tả
DSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.
Khi bạn thấy mã này
Your client attempted a DSO operation (like a keepalive or push subscription) that the server does not recognize or has not implemented.
Cách khắc phục
Verify that both client and server support the same DSO-TYPE. Upgrade the server software or fall back to traditional DNS queries.
Mô tả
Bad TKEY Mode. The TKEY mode field contains a value not supported by the server.
Khi bạn thấy mã này
Your client attempted a TKEY key exchange using a mode (e.g., Diffie-Hellman, GSS-API) that the server does not support or has not been configured for.
Cách khắc phục
Check which TKEY modes the server supports and configure your client to use a compatible mode. GSS-TSIG (mode 3) is the most widely deployed.
Sự khác biệt chính
DNS 11: DSO-TYPE Not Implemented. The DNS Stateful Operations (DSO) type in the request is not supported by the server.
DNS 19: Bad TKEY Mode. The TKEY mode field contains a value not supported by the server.
You encounter 11 when your client attempted a DSO operation (like a keepalive or push subscription) that the server does not recognize or has not implemented.
You encounter 19 when your client attempted a TKEY key exchange using a mode (e.g., Diffie-Hellman, GSS-API) that the server does not support or has not been configured for.
Khi nào dùng cái nào
For 11 (DSOTYPENI): Verify that both client and server support the same DSO-TYPE. Upgrade the server software or fall back to traditional DNS queries. For 19 (BADMODE): Check which TKEY modes the server supports and configure your client to use a compatible mode. GSS-TSIG (mode 3) is the most widely deployed.