interface

Here I present an abbreviated explanation of the process of creating firewall and cluster objects. More detailed step-by-step guides are available in sections “Firewall Object” and “Cluster Object” of the Firewall Builder Users Guide.

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Lets see how much effort it is going to take to convert this configuration to entirely different firewall platform – PF on OpenBSD. There are different ways to do this. I could make a copy of each member firewall (linux-test-1 and linux-test-2), set platform and host OS in the copy to PF and OpenBSD and then create new cluster object. This would be a sensible way because it preserves old objects which helps to roll back in case something does not work out. However, to make the explanation shorter, I am going to make the changes in place by modifying existing objects.

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I’ve already written about setting the MTU (Maximum Transmission Unit) under Linux including Jumbo frames (FreeBSD specific MTU information is here).

With this quick tip you can increase MTU size to get a better networking performance.

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Use ‘cvlc’ to use vlc without interface. This is useful for command line playing or ripping using shell scripts.

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M. Shuaib Khan has published a list of open-source cluster management systems. Personally, I had used openMosix and Red Hat Cluster software (which is also based upon open source software funded by Red Hat). From the article: In computing world, the term “cluster” refers to a group of independent computers combined through software and networking, […]

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From my mail bag: How do I accept CIPE connection requests coming from the outside? CIPE stands for Crypto IP Encapsulation (see howto Establishing a CIPE Connection) . It is used to configure an IP tunneling device. For example, CIPE can be used to grant access from the outside world into a Virtual Private Network […]

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A question from my email bag – How do you find out all drivers loaded by FreeBSD kernel?

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