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<div dir="ltr">When I run dhclient it listens on the expected port 68.  However, in addition to that port it also listens on a high number random IPv4 port and IPv6 port (even if I specify -4 as an option).<div><br></div><div style>
Reading through the source code would make me think this is related to OMAPI somehow?</div><div style><br></div><div style>I tried this on Ubuntu Server 13.04 64-bit which came with dhclient version 4.2.4.  I also downloaded, compiled, and tried the latest version isc-dhclient-4.2.5-P1.  I get the same result.</div>
<div style><br></div><div style>I believe this is a bug.  Either it shouldn&#39;t be listening on these ports or it should be documented what they are used for.</div><div style><br></div><div style>Screenshots attached.<img src="cid:ii_13e67240e12ced2c" alt="Inline image 1" width="580" height="322"></div>
<div style><br></div><div style><img src="cid:ii_13e6724b5c852eb3" alt="Inline image 2" width="564" height="313"><br></div></div>