Author Archives: pim

A working Juniper SRX Firewall configuration towards KPN Telecom

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Junos Knowledge Base 13067 study; killing hanging login sessions

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Mnemonics to help you memorize Network exam trivia

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VXLANs with the CSR1000v virtual router

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A mnemonic for remembering the Cisco Syslog levels

If you, like me, find that you are struggling with all the Cisco nutty details that you are required to learn from heart for your exam, then of course having a mnemonic can help you achieve just that. So I … Continue reading

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Starting with Ansible on Linux and Junos (and Cisco IOS)

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Multicasting in a L2 domain

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Multicasting in a L3 domain

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Extending a Debian OpenVPN server with Multi Factor Authentication via Google Authenticator

I know it’s a mouth full.. but the few documents I found on the web were good yet at the same time still left some questions unanswered. So have a look at the PDF and I hope you’ll get it … Continue reading

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Re-instating a revoked OpenVPN certificate

The OpenVPN documentation will tell you how to revoke a user-certificate but NOT how to re-instate one. (or at least I was unable to find it) So here is a recipe on how to do this, using the easy-rsa scripts:

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