Junos Basics – Route Based IPSec VPN’s

1 year ago

Here’s how to build a simple route based IPSec VPN between two Juniper SRX gateways. With a route based VPN,…

How to log traffic dropped by Juniper SRX firewalls

1 year ago

Prior to working with Juniper SRX’s my firewall experience was predominantly Check Point. Two nice features of Check Point firewalls…

Junos Basics – Securing J-Web Access On Juniper EX Series Switches

1 year ago

In my previous Junos Basics post I covered automatic configuration archiving. In this post we’ll step through a solution to…

BGP Basics – modifying attributes

1 year ago

The previous post in this series looked at the exchange of routes between BGP peers, and this post takes this…

BGP Basics – advertising networks into BGP

1 year ago

The first post in this BGP mini-series looked at setting up BGP peering between routers. Now we’ll take things a…

BGP Basics – iBGP and eBGP peering

1 year ago

This is the first post in a mini-series on BGP basics, and looks at setting up internal and external BGP…

CCNP ROUTE Study – OSPF Virtual Links

1 year ago

One of the golden rules of OSPF is that all areas must be connected to the backbone area 0, however…

CCNP ROUTE Study – OSPF DR/BDR Elections (and how to rig them….)

1 year ago

When multiple OSPF routers are connected to a multi-access medium such as Ethernet, a Designated Router (DR) and a Backup…

Scaling Shiny Apps for Python and R: Sticky Sessions on Heroku

3 years ago

Shiny for R and Python can be You'll need Git and the Heroku CLI. We will implement scaling, which implies…

Manage Dependencies with the deps R Package for Docker Containers

3 years ago

When building Docker images for your R-based applications, the biggest hurdle is knowing exactly which packages and system libraries your…

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