Open AUTHORIZED-KEYS Files Online Free
Quick context: When you're dealing with SSH access, you'll inevitably encounter authorized_keys files. These aren't just arbitrary text documents; they're critical components in securing remote server access, allowing public-key authentication. Essentially, they tell a server which public keys are permitted to log in as a specific user without needing a password.
What are AUTHORIZED-KEYS files for?
An AUTHORIZED-KEYS file, typically found at ~/.ssh/authorized_keys on a Unix-like system, serves as a roster of public keys authorized to log into the corresponding user account. Instead of using a password, which can be brute-forced or phished, SSH clients can present their private key. If the server has the matching public key in its authorized_keys file, and the client proves ownership of the private key, access is granted. This mechanism drastically enhances security for [Security files](https://openanyfile.app/security-file-types). Each line in the file usually represents a single public key, often with optional command=, from=, or other restrictions that limit what the key can do or from where it can connect. This provides granular control over access.
How do I use OpenAnyFile.app to inspect AUTHORIZED-KEYS files?
While an AUTHORIZED-KEYS file is fundamentally a plain text file, discerning its contents clearly, especially with longer keys or multiple options, can be tricky. Our tool allows you to easily [open AUTHORIZED-KEYS files](https://openanyfile.app/authorized-keys-file) online. Simply upload your authorized_keys file to the platform. The tool will parse the contents, displaying each key and any associated options in a more readable format. You can quickly review individual entries, identify specific keys, and check for any unexpected configurations. If you need to transform the data, you can even [convert AUTHORIZED-KEYS files](https://openanyfile.app/convert/authorized-keys) to other formats, like using our [AUTHORIZED-KEYS to TXT](https://openanyapfile.app/convert/authorized-keys-to-txt) converter for simple text viewing, or even [AUTHORIZED-KEYS to PDF](https://openanyfile.app/convert/authorized-keys-to-pdf) for archiving. Understanding the [AUTHORIZED-KEYS format guide](https://openanyfile.app/format/authorized-keys) is made easier with a clear viewer.
What are common problems when dealing with these files?
The most frequent issue with authorized_keys files relates to file permissions. If the ~/.ssh directory or the authorized_keys file itself has permissions that are too lenient (e.g., world-writable), SSH will refuse to use it for security reasons. The ~/.ssh directory should typically be chmod 700, and the authorized_keys file should be chmod 600. Another common pitfall is accidental line breaks or corrupted key data; each public key must be on a single, continuous line. Sometimes, a forgotten no-port-forwarding or no-pty option can cause unexpected access restrictions. Always double-check these settings if a key isn't working as expected.
FAQ
Q: Are AUTHORIZED-KEYS files encrypted?
A: No, the content of authorized_keys files (public keys) is not encrypted, as public keys are designed to be shared. The security comes from the private key remaining secret.
Q: Can I have multiple public keys in one file?
A: Absolutely. Each public key should reside on its own line within the authorized_keys file.
Q: What happens if I delete an entry from this file?
A: Deleting an entry revokes SSH access for the private key corresponding to that public key on that specific user account and server.
Q: Is it safe to upload my authorized_keys file to an online tool?
A: Our tool processes files client-side where possible to ensure your data remains private. We prioritize your privacy and security.