p 103 of &quot;Linux Firewalls&quot; 2nd Ed by Robert Ziegler<br>discusses the &#39;owner match extension&#39; that matches the packet&#39;s creator.<br><br>A match can occur on uid, gid, pid, or sid.&nbsp; The extension can be used on the OUTPUT chain only.<br clear="all">

<br>-- <br>Dan Martin, MD<br>GP Hospital Practitioner<br>Computer Scientist<br><a href="mailto:ummar143@shaw.ca" target="_blank">ummar143@shaw.ca</a><br>(204) 831-1746<br>answering machine always on <br>