database schema migration : Alias muses on massive Oracle db migration algorithms. looking forward to seeing the full db migration system when/if it eventually hits CPAN
(tags: perl databases migration activerecordmigration sql schemas oracle)AWS signature version 1 is insecure : Amazon have just rolled out version 2 to avoid this bug, which uses HMAC-SHA256 instead of HMAC-SHA1. they’re also now deprecating use of HTTP instead of HTTPS, since the attack requires that the attacker sniff a valid request to reuse its signature
(tags: aws amazon sdb ec2 sqs security holes web-services authentication replay-attacks attacks hmac)