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freeFTPD

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Image by Micah68 via Flickr I've been using FileZilla FTP server for some time now and have been happy for the performance. Recently, we needed the ability to expose the FTP service to another client, and the documents that we'd be receiving would be arriving in an un-encrypted form, unlike our other clients. I decided I could simply enable FTPS , the SSL enabled FTP protocol and open a port to 990 on my ASA 5525 Security Appliance and NAT traffic to our server. Unfortunately I quickly found out that a passive FTPS server behind my firewall won't work without some specific configuration changes as discussed in this article . With all that fussing around, I decided to check out freeFTPd, a single deamon that offers both FTP and SFTP, not to be confused with FTPS, but the secure file transfer protocol that is common to the SSH ( secure shell ) protocol. It's fairly straight forward, but is a bit quirky and the documentation is non-existent. Follow some of my ti...
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ADFS AutoCertificateRollover

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BITE (show) (Photo credit: Wikipedia ) Leaving your ADFS 2.0 installation in AutoCertificateRollover mode will most certainly bite you in the ass at some point. This is the default mode when you install ADFS, and when your certificate expires, you'll get something that looks like this: The key to your answer is in the first line: ID4175: The issuer of the security token was not recognized by the IssuerNameRegistry. All you need to do is insert the new thumbprint from your ADFS Token-signing certificate. Make sure it's all in uppercase, and you've not added any invalid character codes, or spaces in the thumbprint or you will continue to get this error message . You are better served by generating another certificate for a longer period than the default 1 year. You can easily do this by opening Windows PowerShell and issuing the following: First, add your snapin: Add-PsSnapin Microsoft.Adfs.Powershell Show a list of your ADFS properties. Get-ADFSProperti...
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NPI Search Redundancy

Most healthcare professionals know at this point that all providers of health care, require NPI (National Provider Identifier) numbers. Without one, it will become increasingly difficult for claims to be paid by commercial payers, and impossible to collect medicare and medicaid payments. Since we are a coding/billing/collection/management agency, we have frequented the NPPES (National Plan & Provider Enumeration System) to lookup NPI information. Unfortunately, there have been brief periods of downtime of the site, causing us to implement our own solution: a backup of the registry. I have a daily cron job that downloads the NPI database, push it into MySQL, giving us an albeit slow, but accurate access to an off-line version of this data. The shell script below performs the retrieval: #!/bin/sh WORKDIR="/srv/htdocs/npi" LOG="$WORKDIR/npi.log" MONTH=`date +%b` LASTMONTH=`date +%b --date='1 month ago'` YEAR=`date +%Y` URL="http://nppesdata.cms.h...
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