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Since the current data infrastructure of the HEP experiments is based on GridFTP, most computing centres have adapted and based their own access to the data on the X.509. This is an issue for smaller experiments that do not have the resources to train their researchers in the complexities of X.509 certificates and that would prefer an approach based on username/password. On the other hand, asking computing centres to support different access strategies is not so straightforward, as this would require a significant investment of effort and manpower. At CNAF-INFN Tier1 we tackled this problem by creating a layer on top of the gridftp client/server, that completely hides the X.509 infrastructure under an authentication/authorization process based on the Kerberos realm of our centre, and therefore based on username/password. We called this Dataclient. In this article we will describe both the principles that drove its design and its general architecture, together with the measures undertaken to simplify the user experience and maintenance burden.

Introduction Endoscopic epidurolysis (EE) is a minimally invasive procedure used to manage chronic spinal pain, particularly in cases unresponsive to traditional treatments. Despite its growing recognition, the literature lacks comprehensive guidelines on its optimal use. This study utilized a modified Delphi approach to gather expert consensus on best practices for EE in the Italian pain therapy network. Methods The study’s scientific board conducted an extensive literature review to define key investigation topics, including clinical indications, preoperative assessments, and technical aspects of EE. A semi-structured questionnaire was developed and administered to a panel of experts. A two-round Delphi process was implemented, with consensus defined as at least 70% agreement on a 7-point Likert scale (agree or strongly agree). Statements that did not reach consensus in the first round were rephrased and resubmitted in the second round. Results Twenty-six clinicians participated in the study, with a 100% response rate in both rounds. In the first round, consensus was achieved for 9 out of 19 statements. In the second round, 8 out of 10 rephrased statements reached the consensus threshold. Key areas of agreement included the clinical indications for EE, the importance of preoperative imaging and anesthetic assessments, and the use of specific techniques and tools for EE. However, consensus was not reached on the use of EE for disc herniation with radicular pain and the safety of interlaminar access compared to sacral hiatus access. Conclusion The study highlights the need for standardized protocols in EE to ensure consistent and effective treatment of chronic spinal pain. The consensus reached by the expert panel provides a framework for best practices, which can guide clinical decision-making and improve patient outcomes. Further research is necessary to validate these findings and address areas where consensus was not achieved.