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Post 302108187 by BOFH on Friday 23rd of February 2007 04:02:56 PM
02-23-2007
It really depends on what you want to do. Sharing printers/file systems? Internet protection? Wireless? Just learn Linux?
Planning is always the first stage. What are you trying to achieve? What do you have available to use? Old machine kicking around for example. What is your current connectivity? Cable modem, DSL, ISDN, Pringles Can? Do you want static IPs or Dynamic (DHCP)?
My system runs off Comcast cable. The cable modem plugs into one of the interfaces on a Mandrake Linux firewall. The firewall block all inbound requests so no hacking allowed
I have two additional interfaces. One is the wireless interface. It plugs into an Apple Extreme. The extreme base station is as locked down as it can be and the firewall treats it like another internet access point. Data is passed through to the internet but you can't ssh to the firewall. It's also setup for DHCP.
The other interface goes to the internal network. First is a Linksys router. My main computer is plugged into that. In addition, two DLink switches are plugged in to the Linksys.
One of the switches goes to my workstation (I work from home). My VoIP, Sun Enterprise 250 (Sol10), one Sun Ultra 60 (Sol7/8), and work laptop are plugged into that.
The other switch has my wife's old computer, my OpenBSD website mirror, and my other Sun Ultra 60 plugged in.
All the cables are labled (just numbers) on either end. Each of the switches/routers have labels to show what's plugged in where. Heck I have a rack for the computers Both of our personal laptops (her XP, me Mac PBG4) come in through the wireless connection.
I don't use DHCP on my unix boxes only because I want to ssh over from the mac/xp boxes and I don't want to hunt down the generated IP address. Recently my Linksys went south. I unplugged it, put the new one in place, uploaded the configuration (I saved it) and I was back in business.
But I have a lot of systems. If you just have a couple, a linksys router plugged into the cable modem would work fine. Then plug your linux and windows or mac box into the router and you're up and running.
Carl
Planning is always the first stage. What are you trying to achieve? What do you have available to use? Old machine kicking around for example. What is your current connectivity? Cable modem, DSL, ISDN, Pringles Can? Do you want static IPs or Dynamic (DHCP)?
My system runs off Comcast cable. The cable modem plugs into one of the interfaces on a Mandrake Linux firewall. The firewall block all inbound requests so no hacking allowed
I have two additional interfaces. One is the wireless interface. It plugs into an Apple Extreme. The extreme base station is as locked down as it can be and the firewall treats it like another internet access point. Data is passed through to the internet but you can't ssh to the firewall. It's also setup for DHCP.
The other interface goes to the internal network. First is a Linksys router. My main computer is plugged into that. In addition, two DLink switches are plugged in to the Linksys.
One of the switches goes to my workstation (I work from home). My VoIP, Sun Enterprise 250 (Sol10), one Sun Ultra 60 (Sol7/8), and work laptop are plugged into that.
The other switch has my wife's old computer, my OpenBSD website mirror, and my other Sun Ultra 60 plugged in.
All the cables are labled (just numbers) on either end. Each of the switches/routers have labels to show what's plugged in where. Heck I have a rack for the computers
Both of our personal laptops (her XP, me Mac PBG4) come in through the wireless connection.I don't use DHCP on my unix boxes only because I want to ssh over from the mac/xp boxes and I don't want to hunt down the generated IP address. Recently my Linksys went south. I unplugged it, put the new one in place, uploaded the configuration (I saved it) and I was back in business.
But I have a lot of systems. If you just have a couple, a linksys router plugged into the cable modem would work fine. Then plug your linux and windows or mac box into the router and you're up and running.
Carl
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LEARN ABOUT DEBIAN
arno-iptables-firewall
ARNO-IPTABLES-FIREWALL(8) ARNO-IPTABLES-FIREWALL(8) NAME
arno-iptables-firewall - Single- & multi-homed firewall script with DSL/ADSL support. SYNOPSIS
/etc/init.d/arno-iptables-firewall [start|stop|status|force-reload|restart] DESCRIPTION
arno-iptables-firewall is an iptables configuration script with support for both IPv4 & IPv6. While it is extremely easy to use one can nevertheless use it in quite complicated environments. All available options are explained in the extensively documented configuration file. The external interface of the system needs to be set up properly in the firewalls configuration file (EXT_IF). The default behavior of the firewall is to deny all incoming connections. For additional requirements not covered by the configuration file custom iptables rules can be placed in /etc/arno-iptables-firewall/cus- tom-rules. This file is automatically parsed by the service script. See the README file (eg. in /usr/(local/)share/doc/arno-iptables-firewall) for an example how to manage logging of firewall events through syslogd. The arno-fwfilter script can be used to make the firewall logs more readable for humans (see manpage). Several plugins for the firewall script are available online. Plugins can be downloaded from http://rocky.eld.leidenuniv.nl/ Please see the README file for more information. FILES
/etc/init.d/arno-iptables-firewall system service script /etc/arno-iptables-firewall/firewall.conf firewall configuration /etc/arno-iptables-firewall/conf.d/ firewall configuration directory /etc/arno-iptables-firewall/custom-rules custom iptables rules /etc/arno-iptables-firewall/blocked-hosts host blacklist /etc/arno-iptables-firewall/mac-addresses mac filter list Please note, that the last two files do exist in the initial configuration and their use is disabled in /etc/arno-iptables-firewall/fire- wall.conf SEE ALSO
iptables(8), arno-fwfilter(1), syslog.conf(5) The http://rocky.eld.leidenuniv.nl/ web site. AUTHOR
arno-iptables-firewall was written by Arno van Amersfoort <arnova@rocky.eld.leidenuniv.nl>. This manual page was written by Michael Hanke <michael.hanke@gmail.com>, for the Debian project (but may be used by others). Michael Hanke March 14, 2012 ARNO-IPTABLES-FIREWALL(8)