[ndnSIM] Exclude field in The new version of NDN
shijunxiao at email.arizona.edu
Tue Sep 18 20:19:43 PDT 2018
If we assume the attacker tries to creat the same name and injects to the
> network .
Attacker cannot “inject” content without expressing an Interest. If they
expres an Interest, the Interest would match the existing cached Data. In
case the Interest has MustBeFresh but the existing cached Data is
non-fresh, the new Data replaces existing Data.
In the case that router just saves one content for each name , just assume
> the router save the content that the attacker sent .
Yes, the new Data will replace the existing Data, if it is accepted.
You mean this kind of attacks cannot be happened .
Forwarder cannot distinguish who is “attacker” and who is not. You should
secure your routing to prevent such attacks.
Moreover, i would like to ask the Exclude field is completely removed from
> the new version of NDN?
Yes, Exclude is going to be completely removed. NFD 0.6.3 is the last
release that processes Exclude.
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