Archive for the 'Networking' Category

[FreeBSD] ADSL Howto (mxstream) via pptp-client

August 27th, 2002 by Rob


M. Possamai schreef deze howto en met zijn toestemming mogen wij hem hier publiceren‚ daarvoor onze dank.
Deze ADSL howto laat je verbinding maken via pptp‚ hiervoor hoef je niet je modem te tweaken.

[FreeBSD] streaming MP3 server

August 20th, 2002 by Rob


Howto – streaming MP3 server.

IceCast is de server die ik hier zal gebruiken. Shoutcast is een andere‚ maar ik heb het idee dat die zich meer en meer focust op het windows platform‚ maar daar kan ik naast zitten.
http://www.icecast.org/

[*BSD]Opzetten cacheing nameserver voor je netwerk

August 10th, 2002 by Rob


In deze howto gaan we een nameserver opzetten‚ zodat alle clients in je netwerk
gebruik kunnen maken van deze snele nameserver.

Als namserver wordt gebruik gemaakt van djbdns van DJ Bernstein (o.a. maker qmail)
Deze dns server heeft tot op heden dag nog geen één security lek gehad dit in tegenstelling tot BIND die er veel heeft gehad (en waarschijnlijk nog wel heeft)

In deze howto ga ik niet behandelen hoe je deze dns server kunt gebruiken als namserver voor je eigen domein‚ dit komt binnenkort in een andere howto.

[FreeBSD] Creating a VPN using PPTP

April 3rd, 2002 by Rob


Met deze howto kan je een VPN opzetten via een PPTP verbinding..

I’m working for a US based company which has an office here in Ottawa. I also work from home‚ as do two other employees here. Until today‚ I’ve been using a VPN from my W2K box‚ which is what I usually use from day to day when accessing the office network. But this morning I found a need to access the office network using one of my FreeBSD boxes. This article shows how I set that VPN up using a pptp client. I put this client on my gateway box which enabled my entire network to access the VPN. Which is a good thing.

Het hele artikel

[FreeBSD] Connecting to IPv6

April 3rd, 2002 by Rob


Met deze howto kan je alvast het IPv6 protocol gaan gebruiken…. zodat je op de toekomst bent voorbereid.

You may be lucky enough to have an ISP that offers a connection to the 6Bone‚ but chances are you don’t. In case of the latter‚ what you need is tunneling. Tunneling is sending one protocol inside another over a network. In this case‚ your computer creates an IPv6 packet‚ then it wraps it in an IPv4 packet. Then it is sent to a tunnel endpoint on the Internet. This endpoint unwraps the IPv4 packet and sends the IPv6 packet onto the 6Bone. Then it also wraps up data that the other computer responds with and sends it back to yours‚ where it will be unwrapped and examined. This method is very common for putting one kind of network on another.

Het hele artikel

[OpenBSD] Securing Small Networks Part 2

April 3rd, 2002 by Rob


Deze howto gaat net als deel 1 over het beveiligen van je netwerk met OpenBSD als router / firewall. Deze keer bespreekt de schrijver de nieuwe packet filter PF.

As you can see‚ the names of the configuration files have changed as well: packet filtering rules are now stored in the pf.conf file located in the /etc directory. The network address translation rules are stored in the nat.conf file located in the same directory. When pfctl complains about syntax errors‚ use the -v option to display the rules as they are processed by pfctl. For example‚ when the packet filtering rules contain errors‚ use pfctl –v –R /etc/pf.conf | less to browse the output and locate lines with errors; then edit the configuration file and try uploading the new rules again.

Het hele artikel

[FreeBSD] Configure Access Point for Wireless Network

April 3rd, 2002 by Rob


Met deze howto kan je van je ouwe pc of laptop‚ met FreeBSD‚ een toegangspunt maken voor een draadloos netwerk.

This article describes how to configure a PC running FreeBSD to serve as an access point (AP) for your wireless network. This FreeBSD access point does not need to be a server or desktop machine. Indeed‚ many people recommend using an old laptop. You don’t need much processing power either; a 386 or 486 will do. Thanks to FreeBSD’s excellent installation program‚ you don’t even need a working monitor — just use the serial port instead. A laptop doesn’t require a PCI- or ISA-to-PCMCIA adapter‚ and already has a built-in backup power supply. Also‚ long cable runs to an external antenna drop the signal output power significantly‚ and laptops can often be put closer to the antenna‚ in places a desktop would be hard pressed to fit.

Het hele artikel

[FreeBSD] VPN FreeBSD < - > Debian

March 26th, 2002 by Rob


Het doel van deze howto is om 2 verschillende firewalls met elkaar te laten communiceren via het standaard encryptie protocol IPSec.


This guide will walk you through setting up your freebsd machine and debian machine on site-to-site vpn through IPSec. This document is not for the faint of heart.

Het artikel

[OpenBSD] Routing Windows 2000 IPv6 traffic

March 13th, 2002 by Rob


Met deze howto kan je een OpenBSD server IPv6 packets van een windows 2000 machine laten routen

Setting up an IPv6 tunnel from a host to a broker was one thing. But I wanted to use IPv6 from my desktop. The dancing KAME was my goal. After years of procrastination‚ I finally got to see her dance. Here’s how.

Lees meer

[OpenBSD] Securing Small Networks Part 1

March 2nd, 2002 by Rob


Deze howto beschrijft hoe je je netwerk simpel kan beveiligen en beheren met OpenBSD‚ zelfs voor beginners.

Like almost all things in life‚ good security costs good money. It has to be that way‚ because there are simply not enough skilled security specialists to look after all of the networks that need their attention. An unfortunate result of low supply and high demand is the migration of highly skilled personnel to clients who can meet their salary requirements. This leaves a lot of small and underfunded networks in the hands of less experienced administrators‚ who might not know how to design‚ configure‚ and monitor these networks’ safety mechanisms‚ leaving them vulnerable to attacks from unscrupulous people looking for inside information‚ free warez storage‚ zombie hosts for DDoS attacks‚ or systems they can simply destroy for fun of doing it.

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