Category Archives: technology

Nigerian Networks, Servers and Long Queues

Day after day, many Nigerians stand in line for hours at banks, airline ticketing offices, government service providers like Customs, Driver’s Licence Authority, Hospitals, etc. The usual culprit is that “the network is slow” or “the server is not going”. As a Network Engineer, I cringe each time I hear “the network” being blamed for portal design or capacity planning failure.

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Semi-technical intro to web hosting and domain registration (Internet presence basics Part 1)

Getting your personal/corporate website on the Internet involves a number of distinct but related components. People often get them mixed up because they would usually source all components from the same person (or company).

Over the years, I’ve had to explain the components during domain or hosting transfer so I’m putting this online in case someone finds it useful.
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mikrotik server dns hijacked 20150624

Remote rogues spoiling your web experience?

To the terminally impatient who can not read long posts, scroll to the last paragraph.

In the quest for speedy web browsing and Internet bandwidth savings, many of us make use of servers/appliances that have HTTP and DNS caching functionality. Of course, the lazy (or accidental) administrator does the barest minimum to get the service working and moves on.

In the old days with lean VSAT bandwidth, many could (mis)configure their Web and DNS devices yet nothing bad would happen (mostly). Now that we have optic fibre internet connections however, it is a very different case. Continue reading

Just another day at the office (Little devices slaying giant networks)

The long email below is something I sent to a Consortium member that has been having challenges with browsing speed due to unseen forces guzzling their bandwidth.

I had to audit the network for several days using a Mikrotik router to be totally sure. Thought I’d share part of my report here with anyone having a similar experience. Hopefully, I make it a guide someday. Continue reading