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Archive for August, 2008

Kaminsky DNS Bug Claimed Fixed By 1-Character Patch

A simple fix in BIND makes Kaminsky’s DNS-exploit no longer an issue:
http://it.slashdot.org/it/08/08/29/127210.shtml

New method to crack encryption

Doesn’t seem to be as scary as it sounds, but an interesting read nonetheless:
http://it.slashdot.org/it/08/08/22/1233211.shtml

Use Virtualbox with an existing physical partition

For a while I’ve wanted to use an existing installation as a guest OS in Virtualbox, and it seems the following guide tells you how to do just that:
http://blarts.wordpress.com/2007/12/06/how-to-run-virtualbox-using-a-physical-partition-using-ubuntu-feisty-fawn/

Postfix on port 587 (submission)

How to make PostFix listen on port 587:
http://rackerhacker.com/2007/07/04/enable-submission-port-587-in-postfix/
Only allow some users to use port 587 for SMTP:
add -o smtpd_recipient_restrictions=permit_sasl_authenticated,reject to the smtpd 587 command line in master.cf