Hi Marcel, On Thu, Jul 28, 2011 at 02:06:19PM +0200, Marcel Holtmann wrote: > > I have been running this patch on my meego netbook and it has been very > > useful. Now I get the same IP address back almost always which makes it > > easy to ssh to the device and I do not have to constantly check my IP > > address in netbook (of course this is perhaps a useful use case for me > > only). The DHCP REQUESTED IP address option is just a hint to the server > > anyway. > > while this might be nice an useful, it is not something that I am > shooting for actually. You would have Zeroconf/Avahi for finding the IP > address of your SSH server. > > If we leave one network, then I do not expect to get back with the same > address. Jukka's patch saves the last DHCP address per service, so when you switch between services you will not send your previous service DHCP address to a different network.
> Especially since we are not even taken the lease time into > account, I consider this a security issue. When leaving a network, we usually send a DHCP release in which case the lease time becomes irrelevant. > We are sending our previous > IP in clear text over a WiFi network. Not really a good idea from my > point of view. Why would it be in clear text ? > > > When you leave the current network to switch to a different one or when > > > you shutdown your laptop, why bother with trying to keep the same > > > address. I rather not actually. > > > > Hmm, I would rather do actually :) > > > > There is some more discussion here > > https://bugs.meego.com/show_bug.cgi?id=21068 > > Switching between networks can not be solved this way anyway. If the > network is different, we must assume a new IP. As I said, when switching between services, Jukka's patch will not send the previous service last DHCP address. It will send the last one we got for that specific service, as a hint. Cheers, Samuel. -- Intel Open Source Technology Centre http://oss.intel.com/ _______________________________________________ connman mailing list [email protected] http://lists.connman.net/listinfo/connman
