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ca6000
2004 Nov 26
5
Martian sources...
We are seeing the following in our logs:
Nov 25 16:21:41 fw kernel: martian source 139.142.66.253 from
10.0.0.199, on dev eth0
Nov 25 16:21:41 fw kernel: ll header:
00:a0:c9:60:0e:b2:00:02:7e:21:0e:dc:08:00
00:a0:c9:60:0e:b2 is the mac of our firewall interface on IP
139.142.66.253.
00:02:7e:21:0e:dc is the mac of our Cisco router on IP 10.0.0.1
10.0.0.199 is a Cisco switch - we have about