FreeBSD, Network Architecture, Server and OS

Adding More ECMP and Health Checking To Anycast Lab

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Introduction In yesterday’s Load Balancers Be Damned post, I demonstrated how adding Free Range Routing to servers could provide a way to do anycast load balancing without the need for expensive load balancers in some cases.  What I didn’t really demonstrate well was the ECMP capabilities of the leaf nodes.  I also punted on the required local health checking…

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FreeBSD, Network Architecture, Server and OS

Load Balancers Be Damned: Routing On The Server

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Introduction Companies such as F5, A10, and Netscaler (owned by Citrix) have built their respective businesses on the need for load balancing devices in the data center and other parts of the network.  While these devices can make the sharing of the load of incoming service connections (eg: HTTP, DNS, etc) very easy, they also come with a sometimes…

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FreeBSD, PC Gaming, Server and OS

Using FreeBSD to Stream to YouTube and Twitch

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Introduction In a previous entry I discussed the differences in streaming game play to YouTube vs Twitch, as well as the differences between using hardware versus software h.264 encoding.  The conclusion that I came to was that I was going to continue streaming to my YouTube channel until I decide to buy and assemble another PC specifically for Twitch…

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FreeBSD, Server and OS, Spam Fighting

Blocking Spammers at the Router: IPFWMTAD

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Assuming you’ve followed my spam-fighting adventures, you’ll know that I have a fairly successful installation of Neal Horman’s spamilter running in a FreeBSD jail, and his ipfwmtad daemon running on the jail’s host.  Meaning the ipfw rules being added by ipfwmtad are done on a server different from where spamilter is running. Along with all of that, you’ll recall…

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