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> |
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> grandstream.yagibdah.de (192.168.3.80) auf 00:0b:82:16:ed:9e [ether] auf |
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> enp2s0 |
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> grandstream.yagibdah.de (192.168.3.80) auf 00:0b:82:16:ed:9e [ether] auf |
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> enp1s0 |
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> spa.yagibdah.de (192.168.3.81) auf 88:75:56:07:44:c8 [ether] auf enp2s0 |
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> spa.yagibdah.de (192.168.3.81) auf 88:75:56:07:44:c8 [ether] auf enp1s0 |
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> |
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> |
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> enp2s0 is an interface dedicated to a PPPoE connection, and enp1s0 |
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> connects to the LAN. |
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> |
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> IIUC, this is bound to cause problems. |
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> |
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> How is it possible for the wrong entries to be created, and what can I |
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> do to prevent them? |
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> |
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> |
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arp mappings are untrusted so your machine will accept anything is sees on |
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the network. That's what makes MITM so easy on a connected subnet. What |
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makes you think they are wrong? Also, the output of ifconfig would be |
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helpful. |