Posted on in Networking
Occasionally you might need an Autonomous System Number (ASN) that is only used on your network. The need for these should be infrequent, but it does happen.
One thing that comes to mind is a customer that connects to your network in multiple locations. That customer needs an ASN for …
Posted on in Software
Jesse Vincent of Best Practical Solutions announced the release of version 3.6.5 of their popular trouble ticketing system, RT: Request Tracker. Although this release is mainly a bugfix over RT 3.6.4, there are a few performance improvements.
In my own RT instances, I use a saved …
Posted on in Software
Two more updates for applications based on the Horde Application Framework were released today. Once again, the product descriptions are from Jan Schneider of The Horde Project.
Posted on in Software
The Fedora Unity Project has announced updated re-spins of Fedora 7 current with all updates as of September 12th, 2007.
Re-spins are updated ISOs that contain all updates up to the date of the re-spin. This has the benefit of saving the user from large downloads to bring a newly …
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Building on yesterday's release announcement of Courier 20070921, Sam Varshavchik announced new releases of several Courier packages today. According to the Courier website, the "Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols". All packages may be downloaded from the Courier download site …
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Jan Schneider of The Horde Project announced several new releases of the Horde Application Framework and the suite of web applications that use it. I'll list the new releases below. You can find all release information, including application and patch downloads, on The Horde Project website. The short product descriptions …
Posted on in Software
Sam Varshavchik has announced an updated release of the Courier Mail Server and Courier IMAP Server (Courier 20070921). Changes since the last release include
Posted on in Software
Evan Hunt of Internet Systems Consortium, Inc. (ISC) has just sent an email announcing the release of <acronym title="Berkeley Internet Name Domain">BIND</acronym> 9.2.9. The BIND DNS Server is a popular domain name server implementation.
This release will be the last maintenance release of BIND 9 …
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In a recent article on Read/WriteWeb about Online Office Apps, Josh Catone mentioned off-hand that he didn't like the Gmail user interface. Since I've been using the Gmail interface exclusively for quite a while, I decided it might be time to talk about the problems I have with the …
Posted on in Networking
You'll find that some network problems can only be solved by sticking a packet sniffer on the network and seeing what the packets are doing. In a switched environment, this will not work properly since each port is configured to only broadcast traffic destined for the MAC addresses it has …
Posted on in networking
One of my pet peeves is Cisco switch and router interfaces that remain unlabeled. There is nothing worse that trying to debug a network problem when the problematic interface is unlabeled. Instead of spending valuable time working on the actual problem, you've got to trace down where this cable goes …
Posted on in Networking
I've been in the situation before were I needed to discover the neighbors of a Cisco device programmatically. This is useful in a case where you want to crawl a network without hard-coding a list of devices into your script. By default, all Cisco devices have Cisco Discovery Protocol (CDP …
Posted on in Networking
If you are at all familiar with <acronym title="Simple Network Management Protocol">SNMP</acronym>, you've probably heard of "community strings". Community strings are similar to passwords. They define and grant access to a device's <acronym title="Management Information Base">MIB</acronym>. If you've used SNMP in conjuction with a …
Posted on in Software
This site has been upgraded to WordPress 2.2.3. This is a security and bug fix that addresses several issues in WordPress 2.2.2. There are two high priority updates in this release:
Posted on in Networking
I've got a Class C (/24, subnet of 256 IPs) that I assign glue addresses for point-to-point links out of. Although all these little /30 subnets are in the same location, they are not guaranteed to be on the same router. So, the question is, how can I see which …
