Securely wiping data with minimal tools

2016-11-21 23:27 by Ian

This was an email I wrote to some coworkers explaining how I securely wipe data. I am reproducing it here.

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Open ports are not a security hole

2015-11-23 22:19 by Ian

What follows is an email I wrote for our sales department, which had to regularly field questions surrounding these issues when our VoIP product came up. The scary thing is that the misconception is most prevalent in the minds of people who should know better (engineers and sysadmins). So here is the most unpopular position you can possibly take in a group of network admins. Maybe it will help someone else dismantle some technical hear-say.

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Building a FIPS capable OpenSSL (Gentoo)

2013-03-08 08:24 by Ian

This is an anecdotal account of building OpenSSL with the FIPS container module on Gentoo. However, these instructions should be applicable to any other distribution with minimal translation effort. The result will be a static OpenSSL build suitable for inclusion into secure application software.

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Installing asterisk 10 realtime

2012-09-04 11:28 by Ian

This is a brief guide to setting up asterisk on a generic linux host. This particular guide was written using CentOS 6. The process and configuration have been checked for accuracy on CentOS 6, Debian, and Gentoo. I have tried to indicate steps where such differences are relevant,

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Useful linux commands and notes

2012-09-02 12:39 by Ian

This page documents useful linux tricks and links that are helpful and probably not obvious.

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Linux Distribution Timeline

2011-11-09 08:51 by Ian

Neat phylogenetic tree of linux distributions.
Source: http://futurist.se

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Integrating OpenVPN into AOSP Source Tree

2011-06-17 06:11 by Ian

This post will focus on installing OpenVPN on an android phone and will cover both building OpenVPN from scratch, and using other people’s static binaries.

Some carriers disable tethering in their branded handsets. This procedure will replace tun.ko, which is typically the absent component.

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Bootchart from my dev box at work

2011-06-17 02:05 by Ian

No write-up. Just an image.

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ADB, Fastboot and USB permissions

2011-06-08 04:53 by Ian

You will at some point need to be able to use ADB with a device attached to USB. Unless you are sinning, and working as root, you will be denied permission to do this. Here is a quick guide for fixing it…

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*nix-style services and permissions on NTFS filesystems

2008-03-16 23:09 by Ian

What follows is a ticket that I had last night. It sums up the problems that *nix users often have when trying to understand permissions on Windows servers. This not only applies to PHP, but to any *nix service that runs on Windows and needs to deal with file permissions. This includes FTP, PHP and Ruby (not hosted here for a reason).
Enjoy!

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