We want to offer a welcoming atmosphere to everyone, especially including everyone who is LGBTQIA+

You can retreive your servers from Colo now. Please try to fetch them until 16:00.

We'll offer a small number of QSFP ports to you if you have a interesting use case and can actually make use of more than 10Gbps.

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Spammy services like pixelflut: Please consider dropping traffic from the Wifi ranges as mentioned in the Wiki.

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We'll have more racks this year. Bring mounting rails.

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If you need to configure IPv4 at home and SLAAC won't be enough, you can get an IPv4 before congress. See the Wiki.

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We'll have a small gift for anyone bringing their server up really fast.

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We're going through all Datenklos every two hours, disconnecting your cables as described here: events.ccc.de/camp/2019/wiki/S

The "35C3 WiFi setup" app for Android is also available through F-Droid, using a separate repository maintained by F-Droid developer @Bubu (the main repository isn't agile enough to keep up with the chaotic demands of the congress). Find the repo here:


It also contains the Schedule app and c3nav.
Thanks to everyone involved!

Last year we had ESSID flooding. This years new annoyance: Hammering speedtest sites via wireless for >15minutes in a row.

If your network is shitty or we or @c3noc can improve it for you in any way, please let us know.

Bitte Mehrfachsteckdosen und Verlängerungskabel nicht vergessen. Plant nicht nur für Euch, sondern auch für andere mit. Danke!

Auf dem wird es leider noch keine 40G-Links in der Colo geben. Falls ihr Projekte mit 40G für den plant, lasst es uns wissen.

We're sorry we won't be able to offer 40G links in the colo. The backbone in not yet designed to handle these loads. If you're planning interesting projects which require 40G für the please let us know.


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