Not in principle. But there is no problem with ordinary cases, such as asking for salary, but personal privacy information is not allowed. That's why there are public hearings and private hearings.
The privacy of law firms should be protected. A concept closely related to privacy protection is information security, which is related to some extent, but the focus is different. Information security mainly focuses on the confidentiality, integrity and availability of data, while privacy protection mainly focuses on whether the system provides the anonymity of private information. Generally speaking, privacy protection is an information security issue, which can be regarded as a concrete embodiment of data confidentiality. For example, if data contains private information, the breach of data confidentiality will lead to the disclosure of private information.