20th June, 8:08 am Jun 20th

New articles by me:

Designing user authentication systems

The problem with cookie authentication

There are also a whole bunch of new articles added to the publish section which were going to be in Ben Hammersley's "Blog Hacks" book (which, sadly, O'Reilly decided not to publish).

This was posted on Friday 20th June, 2003 at 8:08 am Pacific.

Read more posts from June 2003.

About

This is the personal website of Cal Henderson, Slack co-founder & CTO.

I give occasional talks, write code and sometimes articles.

» About Cal

Recent Tags

aws books cheese code covid emoji fonts food games halflife havana ibm lego maps minecraft music php programming reading slack technology tube via-matts wiring

Popular Tags

apple awesome bacon code coding comics design flickr food games javascript lego maps movie music perl php programming software tech tv video visualization web

Archives

2025: Jan
2024: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2023: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2022: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2021: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2020: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2019: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2018: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2017: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2016: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2015: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2014: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2013: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2012: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2011: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2010: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2008: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2007: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2006: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2005: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2004: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2003: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2002: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2001: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2000: Jun Jul Aug Sep Oct Nov Dec