Some links I've come across

Conferences

IACR's list of upcoming crypto events.

Mihir Bellare's list of crypto and security conference.

ACM SIG on Security, Audit and Control

Journals

Electronic Colloquium on Computational Complexity

IACR's Crypto preprint server.

Computer security magazines

Information security

Info Security News

Infowar.com Phrack Magazine archives

Computer Security Resources

Cryptome.

Distributed denial of service

InfoWorld Security Corner - Resources.

Various hacks archive

Yahoo's security links

Security portal

Encryption policy resource page

WWW Security FAQ

Cryptography Export Control Archives.

AntiOnline

CERT advisories

Eggleston's Internet Security Starter.

Electronic Privacy Information Center Home Page.

American Society for Industrial Security.

Cryptogtaphy projects and research

IACR home page.

IETF Security Acronyms

TEMPEST Information page

A Comparison of cryptographic libraries

NIST Federal Information Processing Standards.

COAST homepage - Computer Operations, Audit, and Security Technology at Purdue

Bay area security meetings

Cypherpunks meetings

Stanford security seminar

People's homepages

Ron Rivest's security links.

David Wagner's crypto links.

BSY's Security Related Net-Pointers.

WWW

World Wide Web Consortium

Wireless forum (includes WTLS)

HTML 2.0

HTML 3.2

HTML 4.0

HTTP 1.0

HTTP 1.1

CGI

The SSL protocol

ISAKMP

OAKLEY

IPsec

The SET protocol

Internet RFCs site

General

Dennis's Theory Page

TCS Virtual Rolodex

Quantum Computing Homepage

DNA sequences longer than 100k

Math links

Unsolved Mathematics Problems

Math constants page (a nice list of constants with references)

Specialized fields of mathematics

Puzzles and math competitions archive

Number theory links

Number theory homepage

Algebraic Number Theory Archives

Internet search for large Mersenne primes.

The largest known prime

History of mathemtics

MacTutor History of Mathematics

History of mathematics homepage

And the rest

General

Israeli students at Stanford

CIA World Fact book

List of USENET FAQs

Movie database

The USA CityLink Project

Stuff...

Good woodworking articles.