LTE and 5G standards allow end-to-end encryption of the roaming traffic. So, it's by design. If your operator chooses to enable e2e (and usually they do), there

LTE and 5G standards allow end-to-end encryption of the roaming traffic. So, it's by design. If your operator chooses to enable e2e (and usually they do), there would be just two options: block your traffic entirely or let it pass as it is.