Tag Archives: internet

The British and Irish Archaeological Bibliography is online

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-> The Online British and Irish Archaeological Bibliography.

STOP USING ACTIVE X.

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One of the horrors remaining from the browser wars of the late 90s is Microsoft’s “ActiveX” technology. ActiveX, not DirectX, although maybe the latter needs to die too.

ActiveX in browsers is based on the idea that your computer should be able to download and execute completely random binary images from the Internet without your permission. What a great basic architecture, huh? It was created because Microsoft’s implementations of COM and OLE technologies were so unnecessarily complex and fundamentally user-hostile that nobody sane wanted to use them. Microsoft needed an alternative, one that could be integrated with the web, since they wanted to crush Netscape and take over the Internet. Browser technology was critically important to them and ActiveX was a way to prevent the creation of a level browser playing field based on shared standards.

To give a more generous interpretation of the same events, Microsoft was faced with a desire to provide a richer web experience to their customers and an inability to deliver their vision using existing web standards. ActiveX was an early attempt to work around the inadequacy of HTML, and while it had many issues (security being a big one, and lack of support for non-Intel platforms another) Microsoft has worked continuously and diligently to remediate those issues and support current and former users of their products.

Personally I’m completely happy with either of those interpretations of the events surrounding the birth of ActiveX. Who cares? Those bodies are all buried now… or at least they should be.. NO WAIT. ActiveX is still stinking up the room!
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If you use ActiveX in your websites, or allow your browser to execute ActiveX controls, you are part of the problem. Please, I’m begging you, for the love of God, stop it! Just let this hideous thing die, will you?

There’s nothing that ActiveX provides that can’t be provided using current web standards and technologies. You don’t have to keep hurting yourself, and your readership. Just stop already.

Whenever you purchase any software with a web server in it, or sign up for any service that has a web interface, you need to routinely insist that the product you are buying must be useable with any browser, not merely Microsoft Internet Explorer with ActiveX enabled running on 32-bit Microsoft Windows on a x86 chipset. Make the seller put that in writing, so you don’t get stuck supporting ActiveX against your own will. It’s a shame you have to do this – you don’t have to specify in writing that there will be no incontinent rabid monkeys in the back seat when you purchase a car – but it’s necessary. ActiveX must be destroyed.

Setting default gateway on Cisco 2960 switches

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Since The Dawn Of Time ™ it’s been possible for a networked device to have a default route. Way back then, before our beards turned thick and grey, all routers were called “gateways” so the default route was called a default gateway in those ancient times.

The purpose of the default route is to provide a last ditch option when the device does not know what to do. Basically, whenever a networked device doesn’t know where to send some data, it can do the equivalent of a hail mary pass, and just chuck it blindly at a mysterious place where hopefully there will be a router or modem of some sort which is part of the global Internet. This is actually how the vast majority of Internet traffic is handled, believe it or not; PCs, Macs and webservers typically don’t know anything about how to reach other things on the Internet. The router that sits at the end of their default route handles it for them.

The Cisco 2960 is a commodity network switch that has recently been given some routing capabilities by a software update. They are quite commonplace; there’s a couple stacks of them around my job site, hanging off the larger Nexus fabrics.

The 2960 has brought some fresh confusion to the terminology, because for reasons unknown Cisco has provided these three commands:

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ip default-network (when IP routing is enabled)
ip route 0.0.0.0 0.0.0.0 (when load balancing across multiple routes is enabled)

To an experienced networking professional, those are all the same thing. If I say “hey, Melvin, set route zero mask zero on your box to point to the core12 router” it means the same as if I say “Melvin, you dolt, your default gateway needs to be core12” or even “the default net should be core12, Melvin!” So this is a remarkably non-intuitive set of configuration options here.

“So what” you say, with a Cisco router you just use the tab-completion and question-mark help features of the command line to learn what to do, right? Who needs documentation, Cisco rocks. Er, except in the current version of the software there’s no help text at all for ip default-gateway, and you can’t use ip default-network until routing is enabled, and it’ll accept ip routes to 0.0.0.0 without using them as a default. So, not so much. Thankfully Keith Barker has a more helpful post than mine, if you haven’t already figured out what you need from this one.

Is this normal Facebook behavior?

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Normally, when you join a web forum, the proprietors will validate any email address you provide to them.

This is a pretty simple process; you just send an email to the address, containing a unique link to your web forum, and wait for someone to connect to it. When they do, you know that the person at that address is indeed someone who wants to participate in your forum. Code to do this is easily found on the web, you don’t have to write it yourself.

But apparently Facebook doesn’t bother with that sort of labor and time saving automation, they just let anybody use any old address, or something.

Yesterday, in the wee hours of the morning, someone using the name “Autumn Brooks” signed up for Facebook using my gmail address. In short order this fictitious person got 52 people to “friend” him. Only three people out of 55 smelled the obvious rat.
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Now, I don’t know what this person’s game plan is or was. I mean, obviously, the intention was criminal, since my email was abused, but I don’t know how they expected to profit.

What I do know, from the Facebook-generated email that’s been POURING into my mailbox ever since (making it difficult for me to find and respond to real email in a timely fashion) is that “Autumn Brooks” was seeking out people in distress. Men struggling to raise kids alone, lonely for some adult female companionship. Teenage cutters looking for someone to talk to. Vulnerable people, people in emotional distress.

Yesterday afternoon I requested Facebook do something about this. I have yet to receive a response… maybe this is all business as usual in Facebook-land?

MPLS is back up, Cisco WIC at fault

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Verizon wasn’t calling us back or being helpful for the first 24 hours while our network was down, so we starting yelling at them. After three hours of this, continuously on the phone with their support group, and working through four “escalations”, they eventually gave us some useful attention. With their help we determined that (unusually enough) the problem was not in Verizon’s equipment, although it’s not unlikely that the whole sequence of events started in their network. Embarrassing situation all around, really. Verizon did a great job once they got started, and from their point of view our system was the one failing and not theirs, but you still shouldn’t have to harangue people to get them to fulfill the most basic requirements of customer service.

Anyway, the MPLS circuit terminates at a Cisco 2811 router with 4 FastEthernet interfaces. The 2 port fast ethernet WAN Interface Card on that system was reporting completely false packet counts and diagnostics – pretending to work perfectly while actually generating no outgoing data packets at all, and ignoring all incoming packets. There was literally no way to diagnose this without using physical loopbacks and other caveman tricks since rebooting the router during business hours would wreak even more havoc.

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Since clearly this WIC is unreliable we moved the line to a dedicated port and set up a hot spare router next to the problem child.

I hope you’re not reading this with Internet Explorer

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If you ever built a website that is only useable with a specific browser you should be ashamed of yourself. Get a job where quality doesn’t matter, OK? Be a banker or something.

The Internets are awash with reports that the US and UK governments are recommending nobody use Microsoft’s Internet Explorer web browser until CVE-2014-1776 is fixed.

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But various idiots have built systems that only work with IE… unsurprisingly, many of these idiots work for the government, and many of the systems that require IE were built with your tax dollars. A little more surprisingly, many of the hospitals I work with have purchased systems that require IE, although given the increasing reliance of modern medicine on high technology you’d hope that hospitals would know better than to buy any system that isn’t OS- and browser-agnostic. You’d hope in vain, unfortunately.

Comcast DNS highly unreliable

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Today we finally solved our email mystery. The reason some people could not get their email from their homes was that they were using Comcast as a service provider.

Querying Comcast’s DNS servers at 75.75.75.75 and 75.75.76.76, we discovered that our domain won’t resolve there at all, and even with the domains that do resolve properly there’s between 20% and 50% packet losses. Comcast’s DNS is broken.

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We’re a Comcast Business Internet customer, and the people failing to communicate with our site are Comcast Home Internet customers (typically “Triple play” buyers) so this is a case where they are actually failing to provide a critically important customer service to both sides of their business. Our users who have Verizon FIOS are working fine, despite Verizon’s long standing practice of unethical DNS hijacking.