Gentoo Archives: gentoo-user

From: Grant <emailgrant@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] unencrypted network tools
Date: Thu, 29 Dec 2005 00:05:46
Message-Id: 49bf44f10512281557v4d1e1be4oacae0af717ed2ecc@mail.gmail.com
In Reply to: Re: [gentoo-user] unencrypted network tools by Justin Krejci
1 > > > > > How can I see what is happening as far as traffic on my unencrypted
2 > > > > > network?
3 > > > >
4 > > > > tcpdump
5 > > >
6 > > > ntop is a good network summary program too. Works good if you can run it
7 > > > on your default gateway machine. tcpdump is pretty cool for sure.
8 > >
9 > > The network is just run from a router. No server on which I can run
10 > > that stuff. Is there anything I can use from my workstation which is
11 > > connected to the network?
12 >
13 > You can run it on your workstation as well and you will see broadcast traffic
14 > and traffic going to your computer. If you are on a hub, you should see all
15 > traffic connected to the hub.
16 >
17 > >
18 > > > > > How can I keep my own http traffic private?
19 > > > >
20 > > > > Use https instead. IPSec is another option, if supported. Also,
21 > > > > traffic is normally only passed along the links between you and the
22 > > > > server, unless there's some hub between you can them.
23 > > > >
24 > > > > You may be able to anonymize normal http by using tor. I think freenet
25 > > > > also provides some level of anonymity and encryption for http, but I've
26 > > > > never used it.
27 > > >
28 > > > You can only use https on servers that support it. The question is too
29 > > > vague to answer without specifying from who do you want to keep the data
30 > > > private? Just people on your local network? Your ISP? Your boss? The http
31 > > > servers?
32 > >
33 > > I'm only trying to keep the data private from the other people on the
34 > > local network.
35 > >
36 >
37 > Who administrates your router and/or network? What kind of router is it? Are
38 > you using a swtich? Assuming you have a basic network setup using a simple
39 > switch and a simple router you would generally be private for outgoing http
40 > traffic unless there is someone sophisticated enough to be running something
41 > like ettercap to confuse the switch.
42
43 There is just a $50 router. It's just a network at my housing complex
44 that everyone connects to.
45
46 I remember one of my buddies showed me how he could drive around a
47 residential area and see what people were doing on their unencrypted
48 networks as he passed by. I'd like to protect myself against that
49 kind of intrusion and also take informational advantage of those that
50 don't.
51
52 > If you have no idea and if you have a remote computer you can connect to for
53 > browsing (maybe something at your home or elsewhere) you can remote control
54 > into it (using ssh tunnels for encryption) and then browse privately from
55 > that machine.
56 >
57 > Are you expecting the other hosts on your network to be monitoring your http
58 > traffic? If there is some suspected method of them monitoring you it may
59 > require a specific technique to avoid their monitoring.
60 >
61 > In any case, where does "gentoo" fall into this whole deal? This is a gentoo
62 > list.
63
64 I'm looking for Gentoo tools.
65
66 - Grant
67
68 --
69 gentoo-user@g.o mailing list