Hey,

I want to change the TOS values of all outgoing TCP packages. I tried to do that with the package filter pf. In the pf 
versions of other operating systems like openBSD is a possibility to set the TOS. This option is not in the pf version 
of QNX. I am using QNX Neutrino 7.0.0. 

Are there another possibilities to change the TOS value for all outgoing TCP packages? 

I know its possible to create a RAW socket to create the IP header manually, but then its necessary to implement the 
whole handshake procedure themselves. This is an effort we want to prevent for our project.