Category Archive: Infrastructure

Oct 18

Denyhosts on CentOS

In general, I install fail2ban and denyhosts on all of my external linux servers that have port 22 open.  This is generally only because sftp is also installed on these systems because marketing people don’t know any other options like S3 on AWS. I want to point out the files that need to be looked …

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Jun 12

Moving AD groups from one domain to another using ldifde

This is something that I almost never do so I’m documenting it here to avoid future mistakes. We are migrating between domains and while we considered ADMT, there was too much clutter and our AD structure changed.  So a piece meal approach was decided on.  Hint to future self, don’t do this again, use ADMT! …

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