RE: Linux Networking Books
Re build a firewall -->
http://www.sys-con.com/linux/articleprint.cfm?id=35
-----Original Message-----
From: D-Man [mailto:dman@dman.ddts.net] On Behalf Of dman
Sent: Thursday, January 03, 2002 6:38 PM
To: debian-user@lists.debian.org
Subject: Re: Linux Networking Books
On Fri, Jan 04, 2002 at 12:31:47PM +1000, Penguin wrote:
| I would like to do these things:
|
| - Setup a 128K ISDN multilink PPP connection
| - Build a firewall with ipchains or iptables
| - Run a web server and an FTP server
| - Run a private service on port 666
| - Log all traffic going in and out (the data part of TCP and UDP
packets) of
| my ISDN modem connection, except for web, FTP and mail ports (But I
would
| like to investigate what happens when I use the web, but only log for
a
| little while and see what happens, then turn it off to prevent my log
files
| bloating to 100's of megabytes when I run my webserver!)
| - Get a general knowledge of networking with Linux and security issues
|
| Can anybody recommend a book (or books) for me to read, suitable for
someone
| who is not very clueful on these things?
I don't know of any dead-tree books, but the IPTABLES and NAT howto's
(from "Rusty", the guy who wrote ipchains and iptables) are really
good at explaining (some of) the details of IP networking. With that
info you'll be able to create the firewall and log traffic.
As for running a web server, 'apt-get install apache' and stick your
files where it can find them. There are apache manuals on the web if
you want to get more into it.
FTP is not recommended, unless perhaps it is anonymous ftp and then
you might as well just serve the files with apache. One of the main
problems with ftp is it sends your password in cleartext. Anyone with
a packet sniffer will then have your password.
Running a "private service" is just a matter of running the daemon,
then disallowing public use of it. That can be done via firewall
rules and/or the protocol of the service.
-D
--
The crucible for silver and the furnace for gold,
but the Lord tests the heart.
Proverbs 17:3
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