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Search results for Configuring the Behavior of the Solaris IP Filter Firewall

Solaris

Installing Solaris using JumpStart technology on an Intel laptop

Post date: April 13, 2005, 05:04 Category: Installing Views: 3819 Comments
Tutorial quote: An interesting use of Solaris 8 on a PC laptop is for use with the JumpStart technology. It has never been so easy to install, re-install, or restore a server before.

As I am as a contractor, I am more on the road than in my own office, so I need a laptop, and preferably with Solaris installed, as I am focusing on Sun's products and applications.

Through the years, I have discovered that one of the most common scenarios is that a client needs a server installed, either because they just bought it, or need it re-installed, or recovered.

This article covers how to save time when installing servers, using the JumpStart technology on a laptop with Solaris for Intel.
Ubuntu

Installing and configuring FireHOL - Part I

Post date: September 20, 2006, 22:09 Category: Network Views: 7197 Comments
Tutorial quote: This tutorial guides user on how to install and configure FireHOL, a Linux-based firewall.
BSD

Firewalling with OpenBSD's PF packet filter

Post date: April 19, 2005, 02:04 Category: Network Views: 6562 Comments
Tutorial quote: PF operates in a world which consists of packets, protocols, connections and ports.

Based on where a packet is coming from or where it's going, which protocol, connection of port it is designated for, PF is able to determine where to lead the packet, or decide if it is to be let through at all.

It's equally possible to direct network traffic based on packet contents, usually referred to as application level filtering, but this is not the kind of thing PF does. We will come back later to some cases where PF will hand off these kinds of tasks to other software, but first let us deal with some basics.

We've already mentioned the firewall concept. One important feature of PF and similar software, perhaps the most important feature, is that it is able to identify and block traffic which is you do not want to let into your local network or let out to the world outside. At some point the term 'firewall' was coined.
Linux

Change Ctrl + Alt + Delete Behavior To Open System Monitor, in Linux

Post date: September 24, 2009, 12:09 Category: Miscellaneous Views: 2097 Comments
Tutorial quote: Actually, I've written this post before (quite a few months ago) but then deleted it because it didn't work. In the mean time, I found out why, so I decided to post it again. I find pressing Control + Alt + Delete to open up System Monitor to be very useful, especially for Windows users who are used to it and may actually press this quite a few times before realizing it doesn't do anything or what it does in Windows. Using System Monitor, you can preview all running processes, end or kill them, see how much CPU a process is using, CPU + memory + network history, available disk space and even change how much CPU a process should use.

There are 2 ways of changing Ctrl + Alt + Delete behavior to open System Monitor: one if you are running Compiz, and one for Metacity, only to use if you are not running Compiz.
Ubuntu

Setting up Xen 3.0 from binaries in Ubuntu 6.06 LTS (Dapper Drake)

Post date: June 16, 2006, 07:06 Category: Software Views: 3313 Comments
Tutorial quote: This particular way of installing and configuring Xen is just the path of least resistance for me. There are many other possible ways of configuring the system.
Ubuntu

Getting Started with Firewall Builder

Post date: August 14, 2009, 17:08 Category: Software Views: 2274 Comments
Tutorial quote: This guide presents an introduction to Firewall Builder. Firewall Builder (also known as fwbuilder) is a GUI firewall configuration and management tool that supports iptables, ipfilter, pf, ipfw, Cisco PIX (FWSM, ASA) and Cisco IOS extended access lists.
SmoothWall

Install SquidGuard on Smoothwall

Post date: April 12, 2005, 18:04 Category: Software Views: 10856 Comments
Tutorial quote: squidGuard describes itself as: "An ultrafast and free filter, redirector and access controller for Squid". In my experience, it is the ideal web filter for use with Smoothwall and IpCop since it is lightweight and easy to set up. I use it on an i486, 33Mhz system with 18Mb of Ram and 500Mb of hard drive - and while there is a minor performance hit, the hit is not significant.

This simple how-to describes the steps I took to install squidGuard on my system - it should work for yours too.
Debian

Secure Debian System Using FireHOL Firewall

Post date: July 26, 2006, 20:07 Category: Desktop Views: 2962 Comments
Tutorial quote: FireHOL is a stateful iptables packet filtering firewall configurator. It is abstracted, extensible, easy and powerful. It can handle any kind of firewall, but most importantly, it gives you the means to configure it, the same way you think of it.
Unix+clones

Comparing MySQL performance

Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 3451 Comments
Tutorial quote: With the introduction of the 2.6 Linux kernel, FreeBSD-5-STABLE, Solaris 10, and now NetBSD 2.0, you might be wondering which of them offers superior database performance. In my previous article, I discussed the tools I chose to test these venerable operating systems and the methodology by which they were tested. The result is this MySQL performance comparison between OpenBSD 3.6; NetBSD 2.0; FreeBSD 5.3 and 4.10; Solaris Express (build 69); and Linux 2.4 and 2.6 (Gentoo-based). Read on for the results.
FreeBSD

Build your own gateway firewall

Post date: April 11, 2006, 21:04 Category: Miscellaneous Views: 4979 Comments
Tutorial quote: Learn how to build your own gateway firewall using FreeBSD and old PC parts. The firewall will consist of the PF firewall, Snort IDS, various IPS applications, Squid proxy, and some intuitive web interfaces for auditing. The cost of this project should be between free and $200 depending on your resourcefulness. I built mine for free using spare parts that were stockpiled in personal storage and parts that the USMC was throwing away, but you can build one from used and/or new parts for dirt cheap.
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