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Who is 2001:230:201:1:203:31ff:fe4b:4000, it's ping-reply flooding me

To: users@xxxxxxxx
Subject: Who is 2001:230:201:1:203:31ff:fe4b:4000, it's ping-reply flooding me
From: "Peter Bieringer" <pb@xxxxxxxxxxxx>
Date: Tue, 28 Aug 2001 13:16:05 GMT
Cc: linux-ipv6@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx, usagi-users@xxxxxxxxxxxxxx
Sender: owner-netdev@xxxxxxxxxxx
Hi,

I got a ICMPv6 ping "echo reply" flood from that host to my tunnel:

Who the hell is using an IPv6 address out of my space as source address?
Looks like IPv6 gateways need anti spoofing filters!

15:10:17.567312 128.176.191.66 > 195.226.187.50:
2001:230:201:1:203:31ff:fe4b:4000 > 3ffe:400:100:f101::40: icmp6: echo
reply (encap)
15:10:17.567669 195.226.187.50 > 128.176.191.66:
2001:230:201:1:203:31ff:fe4b:4000 > 3ffe:400:100:f101::40: icmp6: echo
reply (encap)


Peter

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