Originally posted on LinkedIn: https://www.linkedin.com/pulse/book-firewalld-extended-version-antonio-ieran%C3%B2-fvggf/?trackingId=jpcpgMt%2FQVqbBcTrhNeIow%3D%3D
🔐📖 THE BOOK OF THE FIREWALL’D has descended upon us.
Yea, I have written a sacred text—fear not, it requires no kneeling. Unless your SOC is down.
In these somber times, where geopolitics are more confusing than a Cisco licensing page, a smile is not only welcome—it’s required for basic human survival. Even more so if your drone is running firmware last updated during the Crusades.
Because yes: cybersecurity does not take a holiday during war. Quite the contrary. It is in chaos that the true bugs reveal themselves. And it is then that your fighter jet may receive a vendor update… that installs Spotify.
📜 From smart weapons to shaky alliances, from jamming microwaves to firmware betrayals, this book is a biblical comedy of errors—and sometimes truths—about the modern state of digital defense.
Read it to laugh. Or at least to recognize that if you’re logging everything, you’re not alone.

✒️ The Book of the Firewall’d – Extended Version
by Antonio “AI” Ieranò
“In the beginning was the bug. And the bug was with the code. And the code did crash.”

Foreword – Wherein It Is Explained Why This Text Exists (and Why It May Save Thy Sanity)
In a time when peace is discussed with the same solemnity as cookie banners, and wars are waged not with swords but with tweets, firmware updates, and sarcastic press releases, this book was conceived. Not to redeem mankind—lo, that would require a backup of common sense long since lost—but rather to offer a modest guide for those who daily do battle not only with malware, but with managers who say, “Don’t we have antivirus for that?”
The Book of the Firewall’d is not a technical manual. It is a canticle, a scroll, a comic gospel for the faithful of the SIEM and the martyrs of the Patch. A Decalogue (nay, two!) for those who know that the true Apocalypse shall not arrive on horseback, but as a click on “Enable Macros.”
Using sacred language and profane examples, this humble scripture seeks to illuminate—with sarcasm and system logs—the truth few dare to confess: Cybersecurity doth not rest in times of war. Nay, it is in such times that it is most needed. When weapons are naught but devices running vendor-controlled firmware, and the fighter jet thou flyest doth request a Spotify login mid-flight… beware.
📜 Laugh, that ye may understand. Understand, that ye may survive. Survive, that ye may change thy passwords henceforth.
And now, brethren, let the blessed firewall be invoked.
AES-men.
Chapter the First – On the Origin of Flags and the Clicketh People
- And it was evening, and it was morning: this was the Cyber Era.
- And the peoples of the Earth had ceased throwing stones and digitally signed PDFs, for lo, they had discovered the Wi-Fi.
- And they said, “Let us wage war, yet stealthily, with packets of the UDP.”
- And there came forth the botnets, the phishings, the ransomwares, and the zero-days, which waited as a serpent within the code.
- And the Word was made exploit, and dwelt among the Excel macros.
- But from among men there arose the Prophet of the Patch, also called the Most High CISO, and he spake, saying:
“O ye, clickers of attachments and weak of password, thou shalt have no other backup before me, thou shalt not leave thine updates undone, nor shalt thou open that which promiseth thee fortunes from Nigerian princes.”
Chapter the Second – Of the War Unseen
- And when the nations were thrown into tumult, and the alliances crumbled as cookies in browsers unsecured,
- The drones did ascend, the satellites did shiver, yet no man did check the SSL certificates.
- And behold, a drone fell not by enemy fire, but for it had received an update from Windows.
- And there was weeping and gnashing of firmware.
- And the generals gathered in the Hall of War, and they did say:
“Who hath allowed the automatic update?”
- But none did answer, for the IT department had vanished unto unplanned holidays.
- And lo, it was discovered that the smart weapons still did speak via Telnet.
- And missiles of great cost were set to strike coordinates bearing the name: “Test123.csv”.
Chapter the Third – Of the Dark Forces and the Unaligned Hackers
- Then came the enemies, not clad in iron, but with mechanical keyboards and avatars of the anime.
- They marched not, but did tunnel; they shouted not, but did sniff thy packets.
- They did enter systems, they corrupted firmwares, and they stole the secrets of ministers via a USB stick named “FinalPresentationV3.pptx.”
- And certain of them were called APTs, and they came from the East, the West, the Uttermost East, and the Mid-Support.
- And none knew their masters: they came for gold, for revenge, and for experience points.
- And when even the printers did rise in rebellion, great was the panic among the analysts.
Chapter the Fifth – Of the Revelation of Cyberdefense and the SIEM that Seeth All
1.And the Prophet ascended the mount of SOC, with VPN of two-factor purity, and there he proclaimed the Tablets of Cyber Defense.
2. And he spake:
Trust not he who sayeth, “All is in the cloud, be ye not afraid.”
Remember that ‘Military Grade’ is oft but code for ‘rushed deployment’.
Let every device be authenticated before it setteth foot upon the LAN.
Every drone shall be sanctified with firmware that is signed and inspected.
No vendor shall be mightier than the SIEM that beholdeth all and loggeth without slumber.
Thou shalt segment thine networks as if tomorrow were Doomsday Tuesday.
Trust not the wares found in Telegram stockpiles.
Backups shalt thou keep thrice, in three places, and readable even unto the manager.
Pentesting shalt be regular and painful, like unto tax season.
The only secure system is that which is off. Yet lo, even that shalt thou still verify.
3.And the sysadmins did fall prostrate and cried, “We hath sinned, O Holy Log.”
4.And from that day forth, every command was audited, every alert re-verified, and patching became unto them a sacred rite.
Chapter the Sixth – Of Cyberwarfare and the Weapons That Do Turn Themselves Upon Their Masters
- In the days of battle, the bit was more deadly than the bullet.
- One byte corrupted in the flight software, and behold, the drone danceth the dance of betrayal.
- One unchecked flag, and lo, the radar sheweth unicorns instead of foe.
- And it came to pass, that an ally didst withdraw support, and through hidden updates, did silence a squadron.
- They calleth it ‘extraordinary maintenance’, but it brought only impotent rage and diplomatic weeping.
- And the question was asked: How can one trust a weapon not thine own from the firmware upward?
- And the elders decreed: He who auditeth not shall be audited by fate.
- And cries for cyber-sovereignty arose, yet they were made into PowerPoints and lost upon forgotten desktops of ministers.
Chapter the Seventh – Of the Eternal Resilience of Cybercrime
- Whilst the nations did tremble and tighten their purses,
- The cybercriminals did feast upon the chaos.
- They did buy exploits from secret places and sold credentials as almonds in the market square.
- They offered ransomware as service, with dashboards most shiny, and ISO certifications of theft.
- In peace, they mined; in war, they disrupted, deceived, and delighted.
- They feared not law, nor ethics, nor GDPR, for they were legion and their VPNs plentiful.
- And their Wi-Fi, verily, was always better.
Chapter the Eighth – Of the Hope in Logging and the Light of Continuous Monitoring
- Yet among the peoples there arose a remnant most faithful,
- They who did believe in the sacred trinity: Backup, MFA, and Perpetual Monitoring.
- They did segment their networks, and their chains of supply were armoured, and yea, even the CEO’s sighs were logged.
- And though mocked by managers, they persevered.
- And when the great blackout of the cybers came, they alone reignited the servers.
- And the multitude cried, “Blessed be the IT team!”
- But they did answer, “Wait thou, till we have read the logs.”
Epilogue – On the Sacred Acronym: FIREWALL
Faithful in patching Incorrigible in logging Resilient to reboot Eternal in alertness Watchful of packets Authentic in policy Luminous in darkweb Legit before the SIEM
And thus it was written, and thus it shall be monitored.
AES-men.
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