http://iamthek.com Interesting Topics Mon, 22 Dec 2008 16:54:39 +0000 http://backend.userland.com/rss092 en I needed to determine the update time for a particular attribute for one of my customers.  I knew I had ran across how to get it from a csn attribute. If you can obtain the CSN of an attribute, ie: from the nscpentrywsi operational attribute), the timestamp is the first 8 ... http://iamthek.com/archives/46 I've long had an itch to scratch about the default 3-month duration of self-signed certificates available in Sun DSEE 6.x. For the initial part, I've followed the instructions available at http://www.akadia.com/services/ssh_test_certificate.html. Create your server's key # openssl genrsa -des3 -out server.key 1024 <it will ask for a password, twice> Make the key use no password, ... http://iamthek.com/archives/39 Sun released their Directory Server Enterprise Edition 6.3. This fixes at least one critical issue with database corruption. You can get the full version from Sun at: http://www.sun.com/software/products/directory_srvr_ee/index.jsp. Patches are available via Sunsolve: #125276-07: Directory Server Enterprise Edition 6.3 : SunOS 5.9/5.10 Sparc Native Patch #125277-07: Directory Server Enterprise Edition 6.3 : SunOS ... http://iamthek.com/archives/38 One day, not too long ago, when the power went out in my neighborhood (for some unknown reason), I was pondering whether or not the machines here would shutdown cleanly.  I knew I had a reasonable amount of battery life, but that wouldn't be enough if the outage was extensive.I ... http://iamthek.com/archives/37 With the Sun Java Messaging Server, you can block inbound mail based on the senders E-Mail domain (as self-reported in their E-Mail), also known as their From: address. In the example here, I want to block all inbound email with a From: address from Zambia (TLD: .za). It ... http://iamthek.com/archives/36 Recently, I needed to enable E-Mail reminders for Sun Java Calendar Server 6.3.  I thought they were enabled by default, and peering through the documentation available, thought I had confirmed my suspicions.  However, being pragmatic with the available documentation, I decided to specifically define the available configuration options. In the /opt/SUNWics5/config/ics.conf ... http://iamthek.com/archives/35 I've been getting increasing amounts of Unsolicited Bulk E-Mail, or Spam from certain ranges of IP Addresses that have not been sending any legitimate E-Mail. I've wanted to block these IP ranges when they first connect to the mail server, and before my (expensive) Spam filter needs to run. The ... http://iamthek.com/archives/34 Like many others, I've been receiving an ever greater amount of Spam in my E-Mail box. I decided to take action and deploy SpamAssassin on my Sun Messaging Server (6.3) in order to reduce amount of Spam E-Mail I receive. First of all, I deployed SpamAssassin. Being as I'm ... http://iamthek.com/archives/31 One of the best weapons I've used in the larger battle against unsolicited bulk Email, or SPAM, as it is commonly referred; is Greylisting. Greylisting is very effective for reducing the volume of SPAM an Email server takes in by returning a temporary error during the conversation to the remote MTA, ... http://iamthek.com/archives/30 One of the largest problems that I have noticed when doing directory deployments, are either invalid, or non-existent backups of their directory information.  They often assure peace of mind when things unexpectedly go wrong (a la unexpected power outages). I've found a good reference to how to do backups with Directory ... http://iamthek.com/archives/26