Category Archives: Technical

Flood and Fire in Paddington affects Broadband

Burne House (courtesy of Google streetview)

A central London network node belonging to BT disastrously flooded and caught fire yesterday.

The incident at Burne House in north Paddington affected landlines, broadband and mobile services across the west of London. Over  400 local exchanges are connected from this site, so connectivity was also affected across the south east and further afield.

“The flood water has been removed from the exchange building overnight and power supply has begun to be restored,” BT said this morning.

“We are now beginning to restore communications services to customers and this work will continue throughout the day.”

The impact of the great torrent/inferno was even felt on the continent. There have been reports that roaming for Vodafone, O2 and 3 customers in Austria is currently down, with operators pointing the finger at Paddington.

Read more at TheRegister

Excluding directories in AJP ProxyPass

Configuring Apache with Tomcat

You might have ProxyPass configured to pass all requests to Tomcat. However its better to serve some content directly from Apache for speed – images for instance. If you arrange your site into a well planned folder structure you can exclude certain folders in proxy_ajp.conf.

You might have this:

ProxyPass / ajp://localhost:8080/

Just add this line BEFORE the catch-all above:

ProxyPass /images !
ProxyPass / ajp://localhost:8080/

The file is parsed in order, so the exclude must come first.

Watch out for more Tomcat tips and tricks in the future.  Information on our market leading Tomcat hosting can be found here

2020Media IPv6 rollout plans

2020Media has begun its roll out of IPv6 address space.

Our IPv6 range,  2a00:19e8::/32 is now active and our technical staff have received RIPE training.

A /32 by the way equates to a mind-boggling number of internet IP addresses – 18,446,744,073,709,552,000! Customers can expect to receive /64 addresses (2ˆ64 ip numbers).

For an overview of our plans, see: www.2020media.com/ipv6

the RIPE IPv6 Training Course
the RIPE IPv6 Training Course

New internet addresses – IPv6

ipv4The imminent end of the Internet as we know it approaches – our IPv4 addresses are running out fast. Less than 10% of the original 4 billion remain. Internet service providers will have to ration their stocks of existing address blocks and growth will become more difficult.

The solution? IPv6 addresses are plentiful and easy to obtain. The problem is that the transition is already years behind of schedule.

Having completed internal testing and analysis, we’re delighted to announce that 2020Media will be rolling out IPv6 in 2010 to both hosting and broadband customers.

Problems still exist though: For instance, at the time of writing, there are NO consumer broadband modems that support IPv6. And of the top 500 websites (tracked by Alexa), only 1 supports Ipv6.

So even if you can get connected via IPv6, chances are you won’t be able to see any websites!

2020Media is participating in an ISOC project to map and present data on the takeup of IPv6 by the worlds leading websites and companies. More information on our plans.

How DNS works

Video on How DNS Works
Video on How DNS Works

If you’ve ever wondered how DNS works, and the technical explanations make your head spin, there’s a great new video on YouTube that cuts out the jargon and shows you what happens when you type a domain name into your browser, or send an email.

How DNS Works

The video was produced by CENTR, a european trade association for all the european domain registries.

If you’re interested in getting more domain names, in different extensions, 2020Media is able to obtain them for you. Contact us, and we’ll be able to help.