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 Tuesday, May 22 2018 @ 10:13 CEST

A story about Bogons

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NetworkingFor some people, the Let Bogons Be Bogons: A Nightmare from ISP Hell story (on Kuro5hin) will be interesting and amusing. For a few people, it might even be useful. For those who want to know what Bogons are, check out Bogon IPs or the Wikipedia entry Bogon filtering.
 
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Linux hackers re-claim the Linksys WRT54G

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NetworkingAs reported in this article, Linksys makes non-Linux WRT54G's. But Linux hackers has found a way to re-claim theses boxes. Read the article "Linux hackers re-claim the Linksys WRT54G" from LinuxDevices.com.
(found via RootPrompt.org)
 
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How To Set Up A Loadbalanced High-Availability Apache Cluster

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NetworkingFrom Howtoforge comes the article How To Set Up A Loadbalanced High-Availability Apache Cluster: "This tutorial shows how to set up a two-node Apache web server cluster that provides high-availability. In front of the Apache cluster we create a load balancer that splits up incoming requests between the two Apache nodes. Because we do not want the load balancer to become another "Single Point Of Failure", we must provide high-availability for the load balancer, too. Therefore our load balancer will in fact consist out of two load balancer nodes that monitor each other using heartbeat, and if one load balancer fails, the other takes over silently."
 
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Implementing a Postfix mail server with spam and antivirus protection

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NetworkingHer is a guide article from Linux.com: Implementing a Postfix mail server with spam and antivirus protection. (First seen on NewsForge)
 
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OpenBGPd in OpenBSD

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NetworkingFrom Daemon News Ezine comes this article about The Design of OpenBGPd: "I started OpenBGP two years ago, after getting completely fed up with Zebra, which we were running before. There were lots of bugs, bad configuration language, performance problems, and since I don't speak Japanese - I had problems understanding the documentation. Zebra makes heavy use of cooperative threads, which leads to it's main problem: Combined with the central event queue, Zebra can lose sessions while busy. This is because the keepalive events can be way down in the queue, so if something else simultaneously consumes all the CPU power - Zebra just doesn't process the keepalives until the peer resets the session. Zebra successor, Quagga, caught up and apparently fixed many of the bugs. However, they still used the Zebra's design, which I think is wrong. So, the issues are kind of unfixable."
(first seen on BSD News)
 
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