Can you share what you really want to do? Count some statistics?
Identifying client can be done via credentials as you already know, but
clients machine? That is probably impossible without some client-side
code involved.. (and it still can't be 100%, MAC addr can be modified, ..)
Pavel
On 3/31/11 5:41 PM, Arthur Yeo wrote:
> Thanks, Pavel. I will keep that in mind.
>
> The only problem is that by doing that, the user now know that MAC
> addr is formally passed in as a param.
>
> I am looking for things that are std in all incoming HTTP requests
> which can uniquely identify the client machine. Even the IP addr could
> be "misplaced" by a proxy.
>
>
> On Thu, Mar 31, 2011 at 8:32 AM, Pavel Bucek <pavel.bucek_at_oracle.com
> <mailto:pavel.bucek_at_oracle.com>> wrote:
>
> Hi Arthur,
>
> you can't get senders MAC address, it is not even present in
> incoming packet/datagram. All you can get is MAC address of last
> switch/router on the way and the MAC of interface on app server
> side, which is kind of useless for you I guess (seems like you
> want to use this info as an ID).
>
> ONLY way how to do this is include this info in the request send
> by clients.
>
> Pavel
>
>
> On 3/31/11 4:45 PM, Arthur Yeo wrote:
>> Petr,
>> Thanks!
>> How would you hook this up to serving a call in Jersey?
>> --
>> Arthur
>>
>> On Wed, Mar 30, 2011 at 10:51 PM, Petr Jurák
>> <petr.jurak_at_gmail.com <mailto:petr.jurak_at_gmail.com>> wrote:
>>
>> Hi,
>> If you really want MAC, you can use java.net.NetworkInterface and
>> method getHardwareAddress() (see
>> http://download.oracle.com/javase/6/docs/api/java/net/NetworkInterface.html#getHardwareAddress()
>> <http://download.oracle.com/javase/6/docs/api/java/net/NetworkInterface.html#getHardwareAddress%28%29>).
>>
>> Regards,
>> Petr
>>
>> 2011/3/31 Jakub Podlesak <jakub.podlesak_at_oracle.com
>> <mailto:jakub.podlesak_at_oracle.com>>:
>> > I do not think so. It is a bit too low level, i am afraid.
>> > And i am even not sure how to get this inforamtion
>> > for the local interfaces in Java...
>> >
>> > ~Jakub
>> >
>> > P.S. Please also note, that for the IP address itself,
>> > Jersey relies on the underlying container.
>> >
>> > On 03/30/2011 02:04 PM, Arthur Yeo wrote:
>> >>
>> >> Thanks, Jakub, I saw getRemoteAddr() and that helps.
>> >>
>> >> Is there anything for the remote MAC address?
>> >>
>> >> On Wed, Mar 30, 2011 at 1:51 PM, Jakub Podlesak
>> >> <jakub.podlesak_at_oracle.com
>> <mailto:jakub.podlesak_at_oracle.com>
>> <mailto:jakub.podlesak_at_oracle.com
>> <mailto:jakub.podlesak_at_oracle.com>>> wrote:
>> >>
>> >> On the Servlet container, you should be able to get
>> >> the HttpServletRequest injected:
>> >>
>> >> @Context HttpServletRequest req;
>> >>
>> >> and get the address from there.
>> >>
>> >> Does it help you?
>> >>
>> >> ~Jakub
>> >>
>> >>
>> >> On 03/30/2011 01:19 PM, Arthur Yeo wrote:
>> >>
>> >> All,
>> >> When servicing a request in Jersey, is there a fast
>> way to
>> >> obtain the IP-addr of the client?
>> >>
>> >> --
>> >> Arthur Y.
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Arthur Y.
>> >
>> >
>>
>>
>>
>>
>> --
>> Arthur Y.
>
>
>
>
> --
> Arthur Y.