After onboarding into Prisma Access, Cortex XDR live terminal connections were no longer working. There is an existing support document relating to these sort of issues: Enable Access to Cortex XDR There is a section for decryption issues (step 2); what is not clear on this page is that to allow live terminal to work you also need to exclude the following URL: It is referred to in Step 3 but only from a point of view of access.