Tag Archives: FreeBSD

OpenSSL Creating a CSR with Additional names

Posted on January 11, 2012 by danmassey99

As part of the new bailout project here at Gconnect, I needed an SSL cert with an additional domain in it. the first is the name of the server, the second is the name of the cluster. In order to … Continue reading →

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FreeBSD & Carp – failover and load balancing

Posted on January 7, 2012 by danmassey99

FreeBSD supports CARP (Common Address Redundancy Protocol) and has done for many years now. We’ve been using it here at Gconnect as part of our ‘Mailout’ system with no issues at all and it’s served use well since FreeBSD version … Continue reading →

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Sloppy File Handling – Perl

Posted on December 15, 2011 by danmassey99

When reading around the subject of file handling in Perl its easy to get sloppy, phrases like ‘automatic cleanup’ and the like lull us into believing that the close statement is just a ‘nice to have’. Well this burnt me … Continue reading →

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Synchronising Nameservers (Bind + FreeBSD) with Perl

Posted on December 11, 2011 by danmassey99

A funny thing happened to a colleague’s name servers the other day. Whilst very diligent in almost every respect when it comes to failover, redundancy, etc, etc he was bitten by a simple yet overlooked  issue. We all synchronise name … Continue reading →

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FreeBSD ZFS Deduplication

Posted on November 11, 2011 by danmassey99

Time to prove or disprove the ZFS dedup capabilities. First its important to understand that as with compression, if we change the settings on the storage block then only new data written to that area will be de-duped or compressed. … Continue reading →

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Quick MySQL backups

Posted on November 10, 2011 by danmassey99

As a hosting provider we are often asked to provide a backup or dump of a mysql database. The easiest way to do it is to performa MySQLdump into a file into the webspace and the secure it with file … Continue reading →

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FreeBSD ZFS – Connecting an existing zpool to a new OS

Posted on November 9, 2011 by danmassey99

Imagine that you have your server with an external RAID array running a ZFS file system, or even a separate internal array on the box and the OS array is trashed. Now you have your nice redundant ZFS partition, but … Continue reading →

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ModSecure – exempting a domain

Posted on November 9, 2011 by danmassey99

Having installed modSecure2 onto a few web servers, it seems that, even with the base_rules do not get on well with Actinic software. Our options were to start removing rules from within the base_rules set or simply exclude the domain … Continue reading →

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FreeBSD Jails with EZJail

Posted on November 5, 2011 by danmassey99

The last post was a success in that a jail was created and everything worked fine and as expected. However, before I go charging off to the server store and configuring my production server, I’m going to do a bit … Continue reading →

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Apache and mod_secure2 (Modsecure)

Posted on November 3, 2011 by danmassey99

There comes a time when preaching and asking nicely about securing websites on a community server is finished.  I was looking for a global method of restricting what was uploaded to the server when I came across mod_secure. This Apache … Continue reading →

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