destination address
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... router on the
local link for the destination address or pointing out that
a destination is actually on the local link ...
... addresses in ICMPv6 packets as well as the specific source
and destination addresses.
Compared with the corresponding IPv4 protocol ...
... ICMPv6 messages are sent using various kinds of source and
destination address types and scopes. The source address is usually
a unicast address ...
... ICMPv6 messages used in local
communications may contravene the usual rules requiring compatible
scopes for source and destination addresses.
...
... (link-local, global unicast, etc.) of source and destination
addresses. In some cases, it may be desirable to filter on the Code
field of ICMPv6 error messages ...
... ICMP-ATTACKS].
In general, the scopes of source and destination addresses of ICMPv6
messages should be matched, and packets with mismatched addresses
...
... to drop out-of-specification packets of these types. If they have
non-link-local source and destination addresses, allowing them to
traverse the firewall/router ...
... link.
During normal operations, these messages will have destination
addresses, mostly link local but in some cases global unicast
...
... routing header. In these cases, the message will be sent any-to-end
using unicast source and destination addresses.
Parameter Problem Code 1 (Unrecognized Next Header ...
... Code 2 messages, only, can be generated for packets with multicast
destination addresses.
It is possible that attackers ...
...
Note that the address scopes of the source and destination addresses
on Neighbor Solicitations and Neighbor ...
... Address Discovery Reply and ICMP Mobile Prefix Advertisement
messages. It may be desirable to limit the destination addresses
for the incoming messages to links that are known to support home
agents ...