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
The file hash checker computes a digest in the browser. You compare it with the value on the publisher's page, not with a value from the same unofficial download.
You do not run the file during the reading. You do not hash a secret and leave the secret beside it.
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. It is not a password you keep.
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.
- Get the checksum from the publisher.
- Hash the file you downloaded.
- Compare the two.
- Do not run it during the reading.
- Stop.
Mistakes that outlive the statement
Verifying File Integrity with Checksums goes wrong in a small set of ways. The list is here so the ticket can forbid them before the window.
- A checksum from the same unofficial page as the file.
- Running the file because the hash matched.
- A secret left next to the digest.
Decisions to write down
One decision for Verifying File Integrity with Checksums: The publisher's checksum is the one you compared. The file was not run during the reading. And no secret is beside the digest.
Checks before you call it done
Confirm this before you call the change done: Both values are written. They were compared. The file was not run. No secret is in the note. And the file is one you meant to hold. If one of those fails, stop.
# Compare with the publisher's checksum.
# Do not run the file during the reading.
# 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. It is not a password you keep.Before you leave the system
Verifying File Integrity with Checksums 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.
Related pillar guides
More in this cluster
The pillar for this page, and the next published pages filed with it.