An HTTPS AliasMode record has parameters, which clients ignore.

SVCB_ALIAS_WITH_PARAMS · Severity: Warning

• WarningSVCB_ALIAS_WITH_PARAMS

  An HTTPS AliasMode record has parameters, which clients ignore.

  An AliasMode record (priority 0) only names the target; RFC 9460 section 2.4.2 says it should carry no parameters, and clients must ignore them. Put the parameters on the target name instead.

Reported by

• HTTPS record check

Available through the API

• HTTPS record check API

Related findings

• Warning SVCB_ALIAS_CONFLICT An HTTPS AliasMode record sits beside other HTTPS records.
• Error SVCB_ALPN_MISSING An HTTPS record has no-default-alpn but no alpn parameter.
• Info SVCB_ECH The HTTPS record publishes an Encrypted Client Hello configuration.
• Error SVCB_INVALID An HTTPS record cannot be read.
• Error SVCB_MANDATORY_MISSING An HTTPS record lists a mandatory parameter that it does not have.
• Info SVCB_NOT_FOUND The name publishes no HTTPS record.

All findings