Site map of http://www.cromwell-intl.com/

• Unix and Linux
  • Security-oriented (also see the security section below)
    • How to harden a Linux or OpenBSD installation
    • How to break into Linux (and how to prevent this)
    • Analysis of multiple intrusions into a poorly-configured Linux system
    • How to set up and use SSH
    • How to make sendmail use SSL/TLS whenever possible
    • Integrating a UNIX client into a Kerberos realm controlled by a Windows Active Directory server
  • Unix/Linux Administration
    • UNIX/Linux Command Fundamentals and the File System
    • TCP/IP configuration commands for UNIX/Linux, MacOS X, Windows, and Cisco IOS
    • How Linux Boots
    • Installing CentOS Linux on an Alpha
    • Package Management on Linux and BSD — A Phrase Book for RPM, apt-get/dpkg, and pkg_*
    • How to Build Linux Kernels
    • How to Build Linux Kernels on Alphas
    • Exploring the Linux Kernel
    • How to Build OpenBSD Kernels
    • How to Add MP3 Support to Red Hat, CentOS, and Fedora
    • How to use FTP (essential skill sadly unknown by many)
  • OpenBSD
    • Running OpenBSD on a Dell Inspiron 1000 Laptop
    • Compiling Software on OpenBSD — Wireshark, OpenCV, OpenVAS
    • WPA2 / 802.11i Wireless Networking Security on OpenBSD
  • Apache
    • Detailed analysis of Apache logs with simple Unix commands
    • How to enable compression with mod_gzip using the modified Apache web server in OpenBSD.
    • How to create and install keys and certificates for a secure Apache web server
    • How to password-protect web pages
  • Virtualization
    • Networking in VMware: How it works and how to modify it.
    • How run put the QEMU emulator and Linux on a USB device, so you can run Linux within a window on a hosting maching running Linux or BSD or Windows
    • Virtualization and Clustering
    • How to install and run Windows within the QEMU emulator on an OpenBSD desktop
  • Other Unix and Linux Tips and Tricks
  • Digital Cameras, Linux, and BSD
  • X Configuration Issues on Linux and BSD
  • A few Windows things, if we must
    • Installing Office 2007 on Windows XP
    • Fixing the PATH on Windows so you can easily run useful software that you had to add
  • Strange Unix-related stuff
    • The Gallery of Crash Dump Screens
    • UNIX the Supermodel
    • Strange pictures: UNIX the Fire Extinguisher
    • Strange pictures: Linux the Laundry Detergent
    • The Gospel of Tux
    • Biblical Unix
    • Common Windows error message
    • What might be Windows Vista source code

• Networking with TCP/IP
  • Network and Telecommunication Cables
  • TCP/IP Networking in general
  • How IP Routing Works
  • How NAT (Network Address Translation) Works
  • TCP/IP configuration commands for UNIX/Linux, MacOS X, Windows, and Cisco IOS
  • Quick Overview of Protocol Header Structures
  • Breaking in, initializing, and configuring a Cisco 2000/2500/2600/3000/4000 series router
  • Breaking in, initializing, and configuring Cisco and 3com switches
  • >Cisco Catalyst 2900 XL Ethernet switch disassembly and repair
  • What is IPsec? — A simple explanation of IPsec, the network security it provides, and how to set it up on Linux
  • WAN Specifications
  • WLAN Specifications
  • Network Attack Analysis — Classifying and Identifying Attack Patterns With Textual Analysis Tools

• Computer and Network Security
  • My public key
  • Digitally signed messages and how PGP signs e-mail.
  • Fundamentals
    • Just Enough Cryptography
    • How To Verify Digital Signatures
    • TCP/IP
    • How NAT (Network Address Translation) Works
  • Information security
    • Confidentiality and Data Integrity Tools
    • Government and Industry Regulations
    • Availability Tools
    • Computer Forensics
    • Public-Key Infrastructure (PKI) Providers
  • User Authentication Tools
    • User authentication weaknesses and defenses
    • How passwords work and how to break them
    • Reverse-engineering the hacker: What are typical hacker passwords guesses?
  • System security
    • System Security Auditing Tools
    • OS-Specific Security Issues
    • Intrusion Detection Tools
    • Analysis of multiple intrusions into a poorly-configured Linux system
    • Hardware Exploits
    • Physical security
  • Network security
    • Network Security Auditing/Monitoring Tools
    • Network Monitoring / Packet Sniffing Tools
    • What is IPsec? — A simple explanation of IPsec, the network security it provides, and how to set it up on Linux
    • Firewall Tools
    • World-Wide Web Security
    • TCP/IP Stack Hardening
    • Network Attack Analysis — Classifying and Identifying Attack Patterns With Textual Analysis Tools
  • Malware, Social Engineering, and Software Security
    • Why HTML E-mail is Dangerous
    • Analyzing Web Mail Abuse and Spear-Phishing
    • Analyzing a "Phishing" Scam Attempt
    • Analyzing Hostile Data
      • Gibe-F Worm, also known as the Swen Worm, one of the more interesting pieces of malware I have.
      • Downloader.Tibs.Gen-1 worm
      • Bagel worm
      • Mytob worm
      • Mydoom worm
      • Downloader.Small-1109 Trojan
      • Stration.JH Worm
      • Sober.U-3 Worm
      • Trojan.Agent-59561
      • Trojan.Exchanger.DL
      • Hacking the Human — Bank scam
      • The Russian M.O.B.
    • Fighting Internet Hoaxes
    • Software Security Tools
  • Reference material
    • Security-related RFCs and Mitre Nomenclature Projects
    • Recommended Reference Books — Best practice how-tos, background information, and more
    • Infosec Bulletins
    • General Information
    • Cyberwar
    • Other Organizations' Policies
    • Infosec Response Teams
    • The Government Electronic Surveillance Agencies
    • Keeping Track of the Bad Guys
    • Separatist, Para-Military, Military, and Intelligence Organizations

• Textual Analysis
  • Network Attack Analysis — Classifying and Identifying Attack Patterns With Textual Analysis Tools

• 3-D Data and Image Analysis
  • 3-D Laser Scanning for Biology, Anthropology, and Archaeology
  • 3-D Range Scans of Trilobite Fossils
  • Composite Light-Stripe Images
  • Multi-Viewpoint Data Registration
  • Raytracing
  • Contrast Enhancement through Localized Histogram Equalization
  • How to Scan X-Ray Films

• Publications
  • Bob Cromwell's publications

• Basics of Turkish Grammar
  1. Introduction
  2. Background, list of real reference texts
  3. Word order, orthography, vowel classes and variable vowels, HTML codes for Turkish characters
  4. Pronouns, nouns, possession, adjectives, adverbs
  5. Verbs
  6. An attempt at an alphabetical list of Turkish suffixes (really morphotactics)

• Russian Grammar and Typesetting
  • Russian Grammar
  • Cyrillic in Latex and Postscript and Unicode

• Greek Grammar

• INFOSEC History and Military Tourism
  • Belgium — The Battle of the Bulge — Bastogne and the Ardennes Forest
  • France — The D-Day landing beaches and other sites in Normandy
  • Germany — WWII German Enigma Information Security
  • Italy — Paestum, south of Salerno, Operation Avalanche: Allied landing of September 1943
  • Turkey — The Gallipoli Campaign, 1915
  • UK
    • UK Cabinet War Rooms
    • Bletchley Park
    • WWII and Cold War Military Tunnels in the White Cliffs above Dover
    • Swingate Chain Home Radar Station
    • WWII glider base outside Harwell
    • Scapa Flow and the Churchill Barriers
    • UK WWII Military Communications Gear
  • USA
    • Finding the American Black Chamber in New York
    • Washington DC — Arlington Hall
    • Washington DC — Naval Security Station
    • National Security Agency museum
    • Historical Electronics Museum (radar and military radio, just outside Baltimore-Washington International Airport)
    • USS Chaumont (AP-5)
    • DL3G — Delta Lima 3 Green — Cold War watch tower

• Travel Suggestions
  • Alaska
  • Belgium
    • The Battle of the Bulge — Bastogne and the Ardennes Forest
    • Namur and Dinant — Two Historic Towns in the Northwest Ardennes
    • Art Nouveau Architecture in Brussels
    • Comic Book Art in Brussels
    • Belgian Beers and Brussels Cafes
    • Surreal Statues in Brussels
  • Canada
  • Egypt
    • Cairo
    • Giza Plateau — Pyramids and Sphinx
    • Luxor and the Valley of the Kings
    • Aswan and Abu Simbel
    • Mount Sinai and Dahab
  • Estonia
  • France
    • Renting a canal boat in France
    • The D-Day landing beaches and other sites in Normandy
    • Jim Morrison in Paris
    • Megaliths
      • Megaliths in the lower Loire Valley — Saumur and Gennes
      • Dolmen de la Pitchoune — A Megalithic Dolmen structure in Provence
  • Greece
    • Logistics
    • Greek mainland: Athens, Cape Sounion, Corinthia, Mycenae, Olympia, Delphi
    • Santorini (Thira)
    • The other Greek islands: Ios, Patmos, Rhodes, Naxos, Samos
  • Italy
    • Atrani and the Amalfitani Coast
    • Ruins in Rome — Pompey's portico and the site of the Senate.
    • Napoli (Naples)
    • Pompeii
    • Nero's Villa Poppaea at Oplontis
    • Paestum, an ancient Greek city in southern Italy, and Salerno.
    • Umbria — Perugia, Assisi, Sorento, Orvieto, and the Umbrian countryside and hill towns
    • Liguria — Cinque Terre — Riomaggiore, Manarola, Vernazza, Monterosso al Mare, Corniglia
    • Travel by trains in Italy
    • Driving in Italy, and the Long-Delayed Italian Traffic Tickets
  • Japan
  • Jordan
  • Latvia
  • Lithuania
  • Mexico
  • People's Republic of China (Hong Kong, Guanzhou, Yangshuo)
    • Getting There, and Dealing With The Languages
    • Hong Kong
    • Teaching a Courer in Hong Kong, and Visiting Macau
    • Guangzhou, Part 1 — Logistics, Shamian Island and the Pearl River
    • Guangzhou, Part 2 — Qingping Market, Temples, Street Scenes
    • Yangshuo, Guangxi Province
    • Up the Li Jiang, or Li River
  • Poland
  • Russia
  • Syria
  • Trinidad
  • Turkey
    • General information
    • İstanbul
    • Aphrodisias
    • Ephesus — the ruined city
    • Ephesus — A walk from Selçuk to Ephesus
    • Ephesus — The Temple of Artemis
    • Ephesus — Maryemana
    • Gallipoli
    • Göreme and Cappadocia
    • Bodrum and the Mausoleum of Halicarnassus
    • Silk Road Hans
    • Hatuşaş
    • Konya
    • Mountain Treks in the Beşparmak Mountains
    • Nemrut Dağı — Mount Nemrut
    • Olimpos and the Chimera
    • Pamukkale, Hieropolis, and Laodicea
    • Turkish food
    • Getting around Turkey on buses
    • Getting around Turkey on trains
  • U.K.
    • London
      • London — Cabinet War Rooms
      • London — Bletchley Park
      • London — Lee Ho Fook's
    • Megaliths and Stone-Age Structures
      • Stonehenge
      • Avebury
    • Hiking along Hadrian's Wall
    • Oxford
      • C.S. Lewis and J.R.R. Tolkien at Oxford
      • WWII glider base outside Harwell
    • Dover
      • WWII and Cold War Military Tunnels in the White Cliffs
      • Swingate Chain Home Radar Station
    • Scotland and Orkney
      • Fort William area
        • An ascent of Ben Nevis, the highest mountain in Britain
        • The Road to the Isles, over 22 miles (37 km) overland across the high Scottish moors of Lochaber from Corrour Station to Fort William
        • A walk through Glen Nevis and the Water of Nevis
      • Pitlochry — The Bealach Walk and Megaliths
      • Orkney Islands
        • Skara Brae, a Neolithic Village
        • Neolithic Orkney — Maeshowe, the Ring of Brodgar, the Stones of Stenness, etc
        • The West Coast Walk — Along the Cliffs of Orkney's Mainland Coast
        • The Sousterrain — An Underground Pict Dwelling in Orkney
        • Scapa Flow and the Churchill Barriers
      • The Isle of Iona (and Oban, and Mull)
      • The Grit Boxes of Scotland
    • Navigating with the National Grid system and Ordnance Survey maps
    • Places to stay in the U.K.
  • U.S.A.
    • Baltimore
      • Baltimore — Edgar Allan Poe & Mid-Day at The House of Omnivores
      • National Security Agency museum
      • Historical Electronics Museum (radar and military radio, just outside Baltimore-Washington International Airport)
    • New York
      • My encounter with NYPD
      • Touring the Ghostbusters locations in New York
      • New York residences of Hunter S Thompson
      • New York home of Humphrey Bogart
      • Franklin Delano Roosevelt's home in New York
      • Looking for the home of the current Ottoman Sultan
      • Edgar Allan Poe's home in the Bronx
      • Finding the American Black Chamber in New York
    • Philadelphia — Edgar Allan Poe's House and Two Scoldings
    • Washington DC
      • Looking for the National Christmas Tree behind all the security fencing
      • Arlington Hall
      • Naval Security Station
      • Some goofy Masonic Sights
• Megalith Travel

• Radio stuff
  • HF QRP operation — KC9RG
  • Morse Code
  • Building your own RF dummy load and power meter
  • Rhombic antennas — Classic designs for UHF & microwave
  • J-Pole antennas (end-fed half-wave Zepps)
  • Small HF antennas — shortened doublet designs for 10.1 and 14 MHz
  • The Radio Spectrum for Beginners
  • Radio Frequencies — Ham bands and various utilities
  • Radio propagation
  • Construction / repair / modification references
  • Repairing a Tektronix 2445A oscilloscope
  • Building your own oscilloscope probes
  • Modifying an Icom IC2-SAT transceiver for wide frequency coverage, Part 1
  • Modifying an Icom IC2-SAT transceiver for wide frequency coverage, Part 2
  • Modifying an Icom IC-229 transceiver for wide frequency coverage
  • Modifications for the Icom IC-3220 VHF/UHF transceiver
  • Internet "Radio"

• Various Technical Topics
  • Multimedia File Tricks:
    • How to Convert PAL DVDs to NTSC, Create and BurnDVDs, and do Other Video Conversions
    • How to copy DVDs, even those with CSS encryption and copy protection, using free software and free operating systems
    • How to Download Videos from YouTube and convert them to XviD and DivX
    • How to Convert Audio Files from WMA or FLAC to MP3
    • How to Extract MP3 Audio from a Video File
    • How to Rotate Digital Camera Movies by 90° and Convert Them to DVD
  • Some Vaguely Steampunk Projects
    • How to Interface a Soviet Багта-50 1955 rotary-dial telephone with the GSM network and VoIP
    • A Fully Metered Power Controller and Lamp
    • A Light Fixture with an Early 20th Century Esthetic
    • How to Control a Stereo with a 250-volt 100-amp Double-Pole Knife Switch
  • Computer hardware:
    • EIDE / PATA / SATA / USB / Floppy cable pinouts
  • HTML and Web Authoring:
    • HTML Tools
    • How to to Search Engine Optimization
    • Browser and Display Greyscale Test Page
    • How To Use Google Adsense Within XML/XHTML
  • Other Electrical and Electronic Topics:
    • Motorola DCT 2000 Set-Top Box Diagnostics
    • Attempting to Recover Data from QuickDisk Media
    • How To Recover A Digital Camera That Has Been Submerged In Beer
    • Measuring AC Power Usage
  • Metal Treatment:
    • How To Remove Bluing (an anti-corrosion surface treatment) From Steel
    • One Way To Parkerize Steel (an anti-corrosion and lubricating phosphatized surface treatment)
    • Assembling an M1 Garand From Parts

• Nonsense
  • Toilets of the World
  • Bizarrely irrelevant requests for quotes and bids that I have received, and the nonsense I submitted.
    • Simu Construction Company, Ltd and the Zambian Lavatories
    • Ittehad Chemicals Ltd and OPERATION PAKISTANI BALLDROP, PART ONE
    • Ittehad Chemicals Ltd and OPERATION PAKISTANI BALLDROP, PART TWO
    • Atlantic Gulf & Pacific Company of Manila and OPERATION MANILA BOOKLIFT
    • Metito Overseas Ltd and the BAHRAIN EXCAVATION
    • Seman Peru and the SVERDLOVSK GAMBIT
  • The Gallery of Crash Dump Screens
  • Signs That Make No Sense
  • Everything You Need to Know About Oliver Cromwell — Free Download for Term Papers and School Reports
    • Crom-Fu, a mixed martial art fighting technique invented by Oliver Cromwell
  • Brilliant movie concepts overlooked by Hollywood — "The Odyssey" and "Iliad" as remakes of "Gilligan's Island", "Battlestar Potemkin", "Show White and the Magnificent Seven Dwarves", Jane Austen as a spy-assassin, and worse.
  • Some Thoughts About Writing Technical Material: In no particular order, as they occur....
  • A Comparison of Various News Sources
    (Statistical analysis showing that Fox "News" is as worthless as Pravda)
  • Useful Latin Phrases
  • The Dead Bunny Hat Page
  • How Everything Connects Through Movies
  • TCP/IP Haikus
  • The Theology of Santa Claus
  • How to Brew Your Own Beer and Mead
    • Mead background
    • How to brew mead
    • How to brew beer
    • Brewing in ancient history
    • Belgian Beers and Brussels Cafes

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