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Search results for Failover Firewalls with OpenBSD and CARP

BSD Firewalling with OpenBSD's PF packet filter
Post date: November 27, 2006, 02:11 Category: Network Views: 3252 Comments: 0
Tutorial quote: The tutorial is about firewalls and related functions, with examples from real life with the OpenBSD project's PF (Packet Filter). PF offers firewalling, NAT, traffic control and bandwidth management in a single, flexible and sysadmin friendly system. Targeted at the seasoned or aspiring network administrator, this half day tutorial manuscript will give you some ideas about how to control your network traffic the way you want - keeping some things outside your network, directing traffic to specified hosts or services, and of course, giving spammers a hard time.

Previously hosted at http:/www.bgnett.no/~peter/pf/, but moved to its present location due to some odd technical difficulties at bgnett.no.
Unix+clones Using MySQL to benchmark OS performance
Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 1764 Comments: 0
Tutorial quote: It seems to be an exciting time for *nix operating systems, with a number of them recently releasing new versions that bring the addition of expanded features and claims of improved performance. If you're using GNU/Linux, OpenBSD, NetBSD, FreeBSD, or Solaris as a database server, you've probably recently considered an upgrade or switch to another OS in that list due to marketing hype and hearsay. This article will show you how to benchmark operating system performance using MySQL on these OSes so you can find out for yourself if you're missing out. While this may not necessarily be indicative of overall system performance or overall database application performance, it will tell you specifically how well MySQL performs on your platform.

The following operating systems were used for the comparison testing:
- FreeBSD 4.11
- FreeBSD 5.3
- NetBSD 2.0
- Linux 2.6
- Linux 2.4
- Solaris 10 x86 (build 69)
- OpenBSD 3.6
Linux Secure your Server with iptables
Post date: April 20, 2005, 11:04 Category: Security Views: 1537 Comments: 0
Tutorial quote: Central to securing a Linux server that's connected to the Internet is having a good firewall and specific policies in place. Numerous options exist for those considering firewalls for Linux, however, a free and included solution is onoffer through Netfilter and iptables.
Debian Xen Cluster Management With Ganeti On Debian Lenny
Post date: March 3, 2009, 12:03 Category: Installing Views: 1635 Comments: 0
Tutorial quote: Ganeti is a cluster virtualization management system based on Xen. In this tutorial I will explain how to create one virtual Xen machine (called an instance) on a cluster of two physical nodes, and how to manage and failover this instance between the two physical nodes.
Debian Xen Cluster Management With Ganeti On Debian Etch
Post date: September 16, 2007, 21:09 Category: Miscellaneous Views: 1398 Comments: 0
Tutorial quote: Ganeti is a cluster virtualization management system based on Xen. In this tutorial I will explain how to create one virtual Xen machine (called an instance) on a cluster of two physical nodes, and how to manage and failover this instance between the two physical nodes.
OpenBSD OpenBSD encrypted raid disk
Post date: November 6, 2009, 10:11 Category: System Views: 1154 Comments: 0
Tutorial quote: This document explain process to create encryped device with vnd driver stored on logical raid disk (Raid 1 - 0)
OpenSUSE DarkStat - Network traffic & bandwidth monitoring in openSUSE
Post date: October 16, 2008, 21:10 Category: Network Views: 2105 Comments: 0
Tutorial quote: DarkStat is a simple Packet Sniffing Network Traffic/Bandwidth monitoring utility for Linux and UNIX. DarkStat presents simple webinterface with nice graphs and stats auto-refreshed. Darkstat uses a very low footprint and the memory, CPU usage and is used in pfSense, redWall opensource firewalls.
Linux Linux stateful firewall design
Post date: April 12, 2005, 17:04 Category: Network Views: 1000 Comments: 0
Tutorial quote: This tutorial shows you how to use netfilter to set up a powerful Linux stateful firewall. All you need is an existing Linux system that's currently using a Linux 2.4.x or 2.6.x kernel. A laptop, workstation, router or server with at a Linux 2.4.x or 2.6.x kernel will do. You should be reasonably familiar with standard network terminology like IP addresses, source and destination port numbers, TCP, UDP and ICMP, etc. By the end of the tutorial, you'll understand how Linux stateful firewalls are put together and you'll have several example configurations to use in your own projects.
Debian Complete Debian Linux Server Setup Guide
Post date: March 15, 2006, 00:03 Category: Installing Views: 3322 Comments: 0
Tutorial quote: This tutorial includes debian Installation,FTP Server Setup,Webserver Setup,Samba Server Setup,Database Server Setup,time clock sync server,
Mail Server Configuration,VNC Server setup,Proxy Server Setup,SSH Server Setup,tftp Server Setup,DHCP Server Setup,
IPtables Configuration,DNS Server Setup,Firewalls configuration,Backup configuration
Linux Running ISPConfig On Port 80 Using Apache's Reverse Proxy Feature (Debian Etch)
Post date: May 23, 2007, 22:05 Category: System Views: 1759 Comments: 0
Tutorial quote: This article shows how you can configure a Debian Etch system that has the webhosting control panel ISPConfig installed so that ISPConfig can be accessed on port 80. By default ISPConfig uses port 81 which is a non-standard port and is blocked by some firewalls and ISPs. By using Apache's mod_proxy module, we can avoid this problem. It lets us create a reverse proxy that can fetch the pages from ISPConfig on port 81.
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