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Ignore invalid function codes sent to other servers

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This commit is contained in:
Carl Friess 2024-12-13 16:50:10 +01:00
parent a1705c0dff
commit c81ad17305
1 changed files with 2 additions and 1 deletions
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nanomodbus.c
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@ -1878,6 +1878,7 @@ static nmbs_error handle_req_fc(nmbs_t* nmbs) {
#endif #endif
default: default:
flush(nmbs); flush(nmbs);
if (!nmbs->msg.ignored && !nmbs->msg.broadcast)
err = send_exception_msg(nmbs, NMBS_EXCEPTION_ILLEGAL_FUNCTION); err = send_exception_msg(nmbs, NMBS_EXCEPTION_ILLEGAL_FUNCTION);
} }