The golden ratio is a number, approximately 1.618, which when considered as a ratio posseses many interesting properties (Wikipedia). The wicked thing about this ratio is that it is seen all around us. Many natural phonomenon, such as the way petals grow in a flower, the way seashells are made, or the way in which large groups of…
Archives for September 2004
Study: Alternative Data Streams
You may be interested to know about another “SECRET” that the boys in Redmond try not to advertise. It is called Alternative Data Streams, and it basically allows you to “hide” files within other files. M$ provides no tools (other than low level SDK functions) to even know that these Alternative Data Streams exist. Niether “Explorer”, nor “dir”,…
Study: SMTP
SMTP RFC 821 SMTP is the main protocol used for sending mail on the Internet. Understanding it to at least a moderate degree is a must. Commands- HELO – Identifies the sending machine. This is spoofable, but many systems are able to look and see if the IP matches the DNS name given here. MAIL FROM – The…