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Preview: Blog du Tristank : ISA Server

Blog du Tristank



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Last Build Date: Thu, 26 Oct 2017 20:45:22 +0000

 



How To (quickly) Tell If You’re 5 Years Out Of Date On Security Updates

Tue, 12 Sep 2017 12:41:09 +0000

There’s a fun indicator you can use to quickly evaluate whether you’ve been missing security updates for the last five years (ish) on older Operating Systems (i.e. Win2008-2008 R2), and it’s the build number. Not infallible, but then not often wrong. Helpful Table Of Problem Versions If you’d rather skip my rambling – and let’s... Read more



Conditional Formatting Text in Excel from PowerShell

Tue, 29 Aug 2017 07:20:51 +0000

Hopefully a helpful note, as this had me confused for a while… I wanted to add text-based conditional formatting to an Excel sheet I was creating from PowerShell – so I could colour one of the columns automatically depending on the values. I used the technique any self-respecting dabbler would: I recorded a macro in... Read more



Note: Surface Pro Volume-Up Reset

Sun, 26 Feb 2017 22:32:07 +0000

I once experienced a problem with my Surface Pro 3 where the keyboard (and screen rotation) stopped working while I was working in another State. I can never find the instructions I used to fix it, so I thought I’d post them here. Note: For Surface Pro devices only. Hold Power and Volume Up for... Read more



The RDP Ghost is real.

Sat, 18 Feb 2017 06:56:34 +0000

Recently, when connecting to a reasonably-sleepy Windows system, I’ve seen the RDP Ghost. An 8 bit rendition of a scary, scary ghost. It scared me. If you’ve seen it, you’re not alone. It’s a thing. I hope – one day – to capture a screenshot of this apparition. The Rules appear to be that you... Read more



Krebs’ Immutable Truths of Data Breaches

Mon, 09 Jan 2017 22:35:23 +0000

A rationale for more stringent risk assessment. Or indeed any risk assessment for internet connected assets, regardless of size or perceived value to others. Krebs’s Immutable Truths About Data Breaches “There are some fairly simple, immutable truths that each of us should keep in mind, truths that apply equally to political parties, organizations and corporations... Read more



Website Security Suggestion: Get rid of cruft! (script included)

Thu, 24 Nov 2016 08:12:33 +0000

Right: One of my pet hates is cruft on a production website. Cruft is stuff – files – which has accumulated because nobody’s paying attention. Cruft includes sampleware. Developer experiments. Readmes. Sample configs. Backups of files which never get cleaned up. Just general accumulated stuff. It’s website navel lint. Hypertext hairballs. Cruft. Has. No. Place.... Read more



Sunsetting TMG 2010 with some (free!) Best Practices

Fri, 14 Oct 2016 02:41:06 +0000

Long and boring post ahead. So: KITTENS! There. Fluffy now. As one of the Premier Field Engineers performing ISA Server Health Checks and then Threat Management Gateway (TMG) configuration reviews (by default, from my long association with Proxy 2.0 and then ISA), I was reviewing a document I put together for a customer just before... Read more



Simple IIS Kerberos Q&A

Wed, 27 Jul 2016 21:36:37 +0000

Posting a hopefully-useful tidbit. Hi Tristan, Do you have by any chance a guide on how to set up IIS for kerberos auth? I’m helping my customer and I’m a beginner with IIS. It is a farm of 6 IIS servers, they will be using a service acct. DNS is configured to do the following... Read more



Tip: Check that your Offline Root CA is actually Offline, mmkay?

Thu, 28 Apr 2016 00:53:56 +0000

I spend a fair whack of time chatting PKI and certificates with customers, and tyre-kicking their environments as part of the Active Directory Certificate Services Assessment (or ADCSA – available via Premier Support). Many customers have a fairly standard design, often deployed by a partner (it’s the “off the shelf plus customize” option), which includes... Read more



Huh.

Wed, 27 Apr 2016 12:54:49 +0000

You find lots of draft posts when your user interface changes… Hi! I’ve been waiting for my blog to migrate for what seems like forever. Now it’s back, and Open Live Writer’s a thing, and so I guess I might be back too. Sweet. Somewhere to jot things and rant a bit. FAQ: Yep, still... Read more