Erik Ekman

Thanks, it looks like the sendto() call doesn't immediately fail at least. I guess something else is filtering it out edit: Unless the dtrace errors actually mean that something failed

It would be interesting to see if this still happens with SIP off

This feels very Linux-specific. What do you think about adding a new argument flag that skips the check, and then it is up to the user to make it work...

If we do it like this I think it makes sense to exit only after all checks are done, so that the user does not keep getting new errors after...

Thanks, I will take a look at that! https://github.com/osmocom/libosmocore/blob/master/include/osmocom/core/gsmtap.h

I tried implementing this. I did not use the APDU subtype but the other ones to keep the same granularity of the communication as what is logged. The GSM SIM...

Sent https://gitlab.com/wireshark/wireshark/-/merge_requests/16896 to at least fix ATR, could do more if accepted

Thanks. I will have a look how much work it is to get more TPDU parsing in place - it seems like the current gsm sim code could be mostly...