Pump on FC2T1? (SE Linux breaks UDP checksum?)

[Edwards, Scott (MED, Kelly IT Resouces)]

I have tracked this down further and discovered that it is the SE Linux
stuff that is messing up pump.  I have found a newer version of pump now and
I'm going to try it.

However, I have to say that the way it fails is not intuitive to me.  When
pump (dhcp client) sends out the discover packet (with a SE Linux enabled
kernel), the packet actually goes out, it just fails because the UDP
checksum is bad.  This is not what I would expect out of SE Linux.  I would
have thought that it would have returned some no-priviledge error to the
program (pump) indicating that it failed.  Instead to just send out a broken
packet seems pretty weird.

-Scott


-----Original Message-----
From: fedora-test-list-admin at redhat.com
[mailto:fedora-test-list-admin at redhat.com]On Behalf Of Edwards, Scott
(MED, Kelly IT Resouces)
Sent: Monday, March 08, 2004 1:12 PM
To: 'fedora-test-list at redhat.com'
Subject: Pump on FC2T1?



I have been trying to use pump (dhcp client) on FC2T1 and can't seem to
get it to work.  I have tried it on FC1 and FC1 with a 2.6 Kernel and it
seems to work fine on them.  When I'm running pump on FC2T1 I get
several messages from the dhcpd server that "5 bad udp checksums in 5
packets".  I am going to keep digging into it, but I wanted to ask if
there is something that is a known problem that I'm unaware of?  Any
pointers would be welcome.

Thanks
  -Scott



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