Gentoo Archives: gentoo-user

From: Tom H <tomh0665@×××××.com>
To: Gentoo User <gentoo-user@l.g.o>
Subject: Re: [gentoo-user] [O/T] netstat security puzzle
Date: Sun, 18 Dec 2016 07:56:35
Message-Id: CAOdo=Sz+NuDQwBwJJ43DinjM-4WjRqncmBZS8crMZRrOmP+eDg@mail.gmail.com
In Reply to: Re: [gentoo-user] [O/T] netstat security puzzle by Mick
1 On Sun, Dec 18, 2016 at 2:26 AM, Mick <michaelkintzios@×××××.com> wrote:
2 >
3 > I've grep-ped the whole of /etc, no mention of "Knoppix" there.
4 >
5 > I've also looked in /var/lib/NetworkManager/dhclient-enp6s8.conf to see what
6 > hostname NetworkManager sends to dhclient. No trace of "Knoppix" in there
7 > either.
8 >
9 > What else could it be creating or overriding a Local Address with one called
10 > "Knoppix", rather than what was set at installation time?
11
12 I connected my laptop to a friend's wifi network using dhcp and my
13 laptop was renamed "Tessa's iPhone". I didn't investigate further
14 (except that I set up a static address) but I suspect that some dhcp
15 servers push out a hostname along with an ip address without checking
16 the requester's mac address.