Gentoo Archives: gentoo-user

From: Adam Carter <adamcarter3@×××××.com>
To: "gentoo-user@l.g.o" <gentoo-user@l.g.o>
Subject: Re: [gentoo-user] arp question
Date: Sat, 26 Dec 2015 02:01:04
Message-Id: CAC=wYCGfrax8M+15d4+wzsMG3tuEK6x1rgidDpAbymyKN22xGA@mail.gmail.com
In Reply to: [gentoo-user] arp question by lee
1 >
2 > grandstream.yagibdah.de (192.168.3.80) auf 00:0b:82:16:ed:9e [ether] auf
3 > enp2s0
4 > grandstream.yagibdah.de (192.168.3.80) auf 00:0b:82:16:ed:9e [ether] auf
5 > enp1s0
6 > spa.yagibdah.de (192.168.3.81) auf 88:75:56:07:44:c8 [ether] auf enp2s0
7 > spa.yagibdah.de (192.168.3.81) auf 88:75:56:07:44:c8 [ether] auf enp1s0
8 >
9 >
10 > enp2s0 is an interface dedicated to a PPPoE connection, and enp1s0
11 > connects to the LAN.
12 >
13 > IIUC, this is bound to cause problems.
14 >
15 > How is it possible for the wrong entries to be created, and what can I
16 > do to prevent them?
17 >
18 >
19 arp mappings are untrusted so your machine will accept anything is sees on
20 the network. That's what makes MITM so easy on a connected subnet. What
21 makes you think they are wrong? Also, the output of ifconfig would be
22 helpful.

Replies

Subject Author
Re: [gentoo-user] arp question Rich Freeman <rich0@g.o>
Re: [gentoo-user] arp question lee <lee@××××××××.de>