Practical tools for system, network, security, and operations administrators.

SEC-C0008 · Cryptography & Encoding

PGP Encryption for Admins

Plan one PGP note for a mailbox you administer. Do not publish a key, and do not put a private key in the ticket.

Updated 25 October 2026 · How-To

This is an original planning guide. It is not a vendor manual, an official standard, or legal advice. Example addresses use documentation ranges. Review every command before you paste it.

What this hour is for

PGP Encryption for Admins names the address, who would hold the public key, and that the private key stays on the machine. example.com stays a documentation name. You do not encrypt someone else's mail, and you do not publish a key during the reading.

Write the system you administer, the name of this change, and the time. A second change waits until this line has been read back.

The browser tool drafts text or reads a paste you already hold. It does not log in, it does not scan, and it does not apply.

192.0.2.10/24, gateway 192.0.2.1, 198.51.100.0/24, 203.0.113.0/24, and 2001:db8::/32 are documentation. example.com is a documentation name. A sample password is replaced.

The change you can finish

Apply nothing while you are writing the note. When the lab window opens, it is one change on the system named in the ticket. Read the draft, then the system, then decide.

Rollback is the file, the record, or the snapshot you saved first. You do not invent a rollback after the only copy is gone.

  1. Write the mailbox you administer, or say example.com.
  2. Name who would receive the public key.
  3. Write that the private key is not in the note.
  4. Do not publish a key.
  5. Stop.

Mistakes that outlive the statement

PGP Encryption for Admins goes wrong in a small set of ways. The list is here so the ticket can forbid them before the window.

Decisions to write down

One decision for PGP Encryption for Admins: The mailbox is yours or documentation. The private key stays out. Nothing is published. You do not encrypt mail you do not hold. And one address is the window.

Checks before you call it done

Confirm this before you call the change done: The address is written. The private key is absent. Nothing was published. The recipient is named or marked later. And a second person can say the address. If one of those fails, stop.

# PGP plan. Do not publish a key. Do not paste a private key.

Before you leave the system

PGP Encryption for Admins ends when the system in the note is the system in the ticket. If it is not, stop.

The draft stays a draft until a person has read the names in it. A generator does not log in, does not scan, and does not send mail.

192.0.2.10/24, gateway 192.0.2.1, 198.51.100.0/24, 203.0.113.0/24, and 2001:db8::/32 are documentation. example.com is a documentation name. They belong in the note. They are not values you publish because a draft included them.

prompt-for-this is a reminder that a secret is missing. It is not a password, a key, or a token you save. A sample password is replaced. It is not a password you keep.

One change is the window. If two things move and the result is wrong, you will not know which one did it.

If the same step fails twice, stop for the day. Restore the copy you took first.

A second person reads the scope aloud. If they cannot find it in the ticket, the note is not done.

This page is a planning guide. It is not legal advice, not an audit opinion, not a vendor manual, and not the text of a standard. You do not disable a security control to make a check pass. You do not use the page against a system you do not administer.

Tools for this guide

These tools run in the browser on this site. They do not log into your machines.

More in this cluster

The pillar for this page, and the next published pages filed with it.