Collection of IT security-relevant links September 23, 2013 by Roland·0 Comments General PRISM break Ubuntu Ubuntu Sicherheit 1×1 (DE) Ubuntu: Programme abschotten (DE) Firewalls and IDS Firehol E-Mailing Mailheader analysieren (DE) Search Engines DuckDuckGo startpage.com (similar to lxquick but with Google as backend) Security Auditing Firehol: firewall test