On Sat, 12 Feb 2005, Bill Moss wrote: > *http://www.clavister.com/releasenotes/changes-8.00.02-to-8.00.05.html > > DHCP relayer would (correctly) refuse too short DHCP packets* > *Issue:* According to the BOOTP and DHCP RFCs, all BOOTP/DHCP packets > must be at least 300 bytes in size, and use padding to reach this size > if the actual data is shorter. The DHCP relayer used to verify this size > and drop packets > *Problem:* Some DHCP clients/servers (notably, the Windows 2000 DHCP > server) violate the RFCs and send packets shorter than 300 bytes. > *Results:* Misbehaving clients would be unable to aquire DHCP leases > through the DHCP relayer. Misbehaving servers would be unable to hand > out DHCP leases through the DHCP relayer. > > This means that the buildmsg.c patch should have the value of PAD_STOP > set to a minimum value of 300. This parameter is controlling the size of > the DHCP/BOOTP packet. Otherwise, there is a danger that firewalls, and > routers configured as DHCP relay agents, may drop the dhcp messages as > invalid. Some DHCP servers may refuse to respong to a discover or > request that violates this rule.
Bill, Thanks for that reference. I will commit the patch I sent you, with the PAD_STOP adjusted to be 300. Dan _______________________________________________ NetworkManager-list mailing list NetworkManager-list@gnome.org http://mail.gnome.org/mailman/listinfo/networkmanager-list
