Adware/Spyware removal tools
Spy Sweeper [download free trial, ranked better than Ad-Aware and SpyBot in study done fall 2004 -- alice ttlg]
CWShredder [download free trial -- alice ttlg]
Ad-Aware SE Personal - Lavasoft
Spybot Search & Destroy
[use the above programs to check for and remove spyware and adware programs, then if there's still problems, try the ones below -- alice ttlg
HijackThis, CWShredder, & StartUplist [download HijackThis here, plus tutorial and link to support forums to help decide what to delete -- alice ttlg]
Computer Cops - HijackThis Log Tutorial [good details on the logs -- alice ttlg]
Spychecker: HijackThis [another site to download it -- alice ttlg]
An Apple A Day... (Windows Tips) info and links to the best adware and spyware removal programs - it's pest control for all computers running any version of Windows
cPanel Forums
cPanel Forums - Server Setup Tips - stop spam/viruses
cPanel Forums - Exim fix to dev/null virus emails
cPanel Forums - Email - Domain Literals
DNS Stuff: DNS tools, WHOIS, tracert, ping, and other network tools
DNS Report for a domain - mainly useful for checking that MX records are set up properly for the mail server, with rDNS (PTR)
doxdesk.com: home, checks for spyware/adware on IE plus other stuff
Eric Howes' Privacy & Security Page [links to bunches of anti-virus, anti-adware and anti-spyware programs, he also conducted a study last fall on adware/spyware which is discussed in WindowsSecrets' article, Anti-adware misses most malware -- alice ttlg]
Housecall free online virus Scan from Trend Micro
htaccess info
Comprehensive guide to .htaccess- Deny users by IP
Comprehensive guide to .htaccess- intro
Andy Budd::Blogography: Image Thieves
WDVL: Spiders and Robots Exclusion
WebDevPro htaccess Magic
FreeWebmasterHelp htaccess Tutorial
Using .htaccess Files with Apache
Apache module mod_alias
Apache Configuration and .htaccess Tutorials and References (thesitewizard.com)
IP Address Locator Enter an IP address to find its location (not always accurate)
Try it another physical location finder - also not always accurate
InfoSysSec IP Tools, Whois, Ping, Reverse Look Up, Anti Spam stuff
InterNIC The Internet's Network Information Center
The Web Standards Project, Internet Explorer Too Risky and links to other articles
Links to figure out IP ranges and slash notations
NetCalc
Network Calculators
projects: DHTML ipcalc
Metropolitan Police Fraud Alert [this is the British Police site but the info applies anywhere in the world, it explains how those "you won a lottery you never entered!" and other scams work -- alice ttlg]
National Cyber Security Alliance gives you the information needed to secure your computer [...] tips on how to safeguard your system [and] a self-guided cyber security test educational materials and other Internet resources [website]
Survey: Computer users unaware of online risks Oct. 25, 2004 [related news article showing that as many as 8 out of 10 users have spyware, adware and/or viruses on their computers even tho they think they are protected. -- alice ttlg]
Net Activity Diagram, a Windows 95/98/NT/2000/ME/ XP/2003 application that monitors your computer network and Internet activity. The program lets you monitor and control your network traffic. Visualizing your Internet activity is simple – the program is easy, even for inexperienced users. You can view all established connections, monitor network traffic over a certain period, setup various notifications, etc.
Netcraft What's That Site Running Results, find out what OS a website server is running
Network-Tools.comTraceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, and DNS Records Lookup
Reading Email Headers at StopSpam.org [very detailed but readable explanation of headers, especially good for those who want to be able to decipher the headers on their own -- alice ttlg]
What Email Headers Can Tell You About the Origin of Spam at About.com [more simplistic for beginners and it doesn't deal with zombied PCs that hide the spammer's location -- alice ttlg]
How do I get my email program to reveal the full, unmodified email? at SpamCop [list of commonly used email programs and webmail services with instructions for each on how to display the headers -- alice ttlg]
Secunia Security and Virus Information
Snopes Urban Legends Reference Pages
Spam from Anti-virus Companies:
Why (some) anti-virus companies are to blame for the recent e-mail flood
Yes, (some) antivirus companies are spammers
Anti-Virus Companies: Tenacious Spammers
Startup Control Panel a free nifty control panel applet that allows you to easily configure which programs run when your computer starts
Startup Monitor a free small utility that runs transparently (it doesn't even use a tray icon) and notifies you when any program registers itself to run at system startup. It prevents those utterly useless tray applications from registering themselves behind your back, and it acts as a security tool against trojans like BackOrifice or Netbus.
Trojan Defence Suite anti-trojan system for Windows
Unprotected PCs can be hijacked in minutes at USATODAY
View HTTP Request and Response Header safely check out the html source of a suspect webpage without getting viruses or malicious javascript or cookies
Hoaxbusters Home Page
Vmyths.com, Truth About Computer Virus Myths & Hoaxes
Symantec Security Response - Hoax Page
Virus notifications are a bad thing
Clueless virus filters spam innocent third parties
Attrition Security Rant: Anti-Virus Companies: Tenacious Spammers
Why (some) anti-virus companies are to blame for the recent e-mail flood
Yes, (some) antivirus companies are spammers
Whois sites
BW Whois
Better Whois
Complete Whois
DNS Stuff
Web-Based Whois
NetLantis Whois (currently down 11/5/04, since at least 8/13/04)
Windows Secrets twice-monthly e-mail publication with Microsoft Windows tips and tricks [they had a good article about home PC zombies with good tips about running a home Win PC safely -- alice ttlg]