Re: [DNG] Security problem

2019-10-13 Thread J. Fahrner via Dng
Am 2019-10-14 01:01, schrieb tom: Why in gods name does a centralized instant messenger require root privileges on your machine? Signal uses the electron framework for running in a sandbox. Electron uses the Linux user namespaces feature for building the sandbox, but this seems to be disabled

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread s
Hi Stefan, > > first of all, your machine seems to be the dns server, or you have > > static ips assigned? > > Yes, unbound DNS resolver is running on this machine. No static IPs. > You have a public dynamic IP, I assume. So you are in the domain: 'dynamic.kabel-deutschland.de' but by what I se

Re: [DNG] Security problem

2019-10-13 Thread tom
On Mon, 30 Sep 2019 19:46:28 +0200 Gonzalo Pérez de Olaguer Córdoba wrote: > Hi, Jochen. > > El Mon, 30 Sep 2019 19:29:34 +0200 > "J. Fahrner via Dng" escribió: > > > I just came across a security problem. The application > > signal-desktop could not be started anymore because a file from the

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread mett
On 2019年10月13日 18:24:54 JST, "Dr. Nikolaus Klepp" wrote: >Anno domini 2019 Sun, 13 Oct 10:47:30 +0200 > Stefan Krusche scripsit: >> Am Sonntag, 13. Oktober 2019 schrieb Dr. Nikolaus Klepp: >> > There is some misunderstanding: The ARP package has nothing to do >> > with DNS. >> >> That's what I'v

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread Dr. Nikolaus Klepp
Anno domini 2019 Sun, 13 Oct 10:47:30 +0200 Stefan Krusche scripsit: > Am Sonntag, 13. Oktober 2019 schrieb Dr. Nikolaus Klepp: > > There is some misunderstanding: The ARP package has nothing to do > > with DNS. > > That's what I've been thinking and why I asked. > > > It basicly links MAC to I

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread Stefan Krusche
Am Sonntag, 13. Oktober 2019 schrieb Dr. Nikolaus Klepp: > There is some misunderstanding: The ARP package has nothing to do > with DNS. That's what I've been thinking and why I asked. > It basicly links MAC to IP - and you can do funny things > with it. Okay, I still can't seem to connect th

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread Dr. Nikolaus Klepp
Anno domini 2019 Sun, 13 Oct 10:13:31 +0200 Stefan Krusche scripsit: > Hello Tux, > > thanks for your reply. > > "s@po" schrieb am 12.10.2019 20:10: > > > > Why would my machine send these requests? > > > > first of all, your machine seems to be the dns server, or you have > > static ips assig

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread Stefan Krusche
Hello Tux, thanks for your reply. "s@po" schrieb am 12.10.2019 20:10: > > Why would my machine send these requests? > > first of all, your machine seems to be the dns server, or you have > static ips assigned? Yes, unbound DNS resolver is running on this machine. No static IPs. > # cat /etc/{

Re: [DNG] how to investigate constant outgoing ARP traffic - TX: ~7K/s

2019-10-13 Thread Stefan Krusche
Am Samstag, 12. Oktober 2019 schrieb Dr. Nikolaus Klepp: > > Any hint much appreciated. > > Please see: > http://www.omnisecu.com/tcpip/address-resolution-protocol-arp.php And > search for "arp spooing", this will reveal more funny details :) Okay, this will take some time to understand… Thanks.