Computerkram

Entries from February 2011

Friday, February 25. 2011

Linux Shell Script to Display SHA1 Fingerprint of Remote SSL Certificates

$ ./fingerprint.sh www.torservers.net status.headstrong.de

SHA1 Fingerprint=90:14:6B:74:FC:B8:30:C8:48:06:4F:52:A6:27:C4:0A:EE:D8:C5:6E

SHA1 Fingerprint=19:46:7F:F7:C5:1C:B7:C9:03:58:88:19:46:DC:55:BA:57:49:92:96

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Wednesday, February 9. 2011

Create an encrypted file system on Android with LUKS

QUOTE:

LUKS is the standard for Linux hard disk encryption. By providing a standard on-disk-format, it not only facilitates compatibility among distributions, but also provides secure management of multiple user passwords.

Building off the work from other great sources, the Guardian Project hack team decided to take a crack at porting LUKS to Android recently, with the goal of creating a proof of concept build process that can be easily adapted to future projects.

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Tuesday, February 8. 2011

The Archive Team

QUOTE:

[20:45:45] mo [~tor@] has joined #archiveteam
[20:45:45] Channel topic is: www.archiveteam.org || Archiving is Delicious! || We're about microblogging folksonomies now || <SketchCow> saving the world, so annoying

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Thursday, February 3. 2011

Howto: Install TARPIT on Debian Stable (Lenny)

QUOTE:

Add a TARPIT target to iptables, which captures and holds incoming TCP connections using no local per-connection resources. Connections are accepted, but immediately switched to the persist state (0 byte window), in which the remote side stops sending data and asks to continue every 60-240 seconds. Attempts to close the connection are ignored, forcing the remote side to time out the connection in 12-24 minutes.

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