Hobbies

IPv6 route table limits under Linux

I have been experimenting with IPv6 addressing and routing under different Linux flavors. Addressing in LANs is quite easy with Auto/Zero-Conf, however for Auto/Zero-Conf you need to use /64 network, which could lead to memory exhaustion due to a Neighbor Discovery attack (I will write more on this later, so check below for related articles). [...]

PRMG member first external user of SIXXS POP provided by EPT

Emile, a member of the non-profit organisation PRMG, is the first external user on the EPT SIXXS IPv6 tunnel server.
EPT is providing a public SIXXS POP since beginning of March 2010, until May 5only 2 SIXXS and 5 EPT employees were registered at the EPT IPv6 tunneling server. 1 subnet was assigned to a SIXXS [...]

No Christmas update for international Fritz!Box models

AVM released a so-called Christmas update for the German versions of the Fritz!Box 7270 and 7240 models. The firmware version 54/74.04.80 brings much needed features:

stabilized DECT connectivity
listen to ongoing answering machine recordings, pickup calls from the voicemail service
possibility to change call forwarding settings via DECT phones
optimized MOS value for voice calls
SAMBA/FTP share passwords can now [...]

Limiting operational costs for assignee of 116xxx phone numbers for services of social value

In 2007 the European Commission introduced the pan-european national short codes 116xxx called “Harmonised service of social value”. Assignees of this type of numbers should be organization active in the social sector, so usually these are non-profit organizations. This causes an issue with another requirement of the 116xxx phone numbers, the calls to the phone [...]

How Twitter lists expose opinions

A few days ago Twitter announced a new feature called “lists”, which let’s you organize your followers into lists. The funny thing about the Twitter lists is that every person you add to a list can see just that. So be very careful how you classify your contacts!

TelNIC releases another update to Telhosting

Henri did it again TelNIC added new features to the TelHosting Application today. Some of them are:

.tel contact record labels are now UTF-8 and much longer.
backup/restore data
add long descriptions to your contact items
change text for your goto links

Fixing xen-create-image for CentOS guests

I have been trying to install a para-virtualized CentOS guest on my Debian machine using Xen 3.2.1. The xen-create-image script comes with support for rinse, which in turn can install CentOS and Fedora. Unfortunately the list of packages installed during setup is incomplete.

IPv6 subnet calculator

Absolutely a must have! The IPv6 subnet calculator by Rhys Koedijk.

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