No TYPO3 backend login possible
There are two possible causes:
- Internet access via a proxy server: In the Install Tool under All Configuration , the doNotCheckReferer option must be set to 1.
Sometimes it is necessary to set the "Deactivate IP restriction for users" checkbox in the settings of the affected user in the Options tab. - No free storage space: Check via
Customer menu ' Overview
whether the web storage space has been used up. If yes: use FTP or SSH access to delete files that are no longer required or upgrade to a higher plan:
Customer menu ' Order ' Additional services
Only a white page is displayed
You can often quickly track down the error if you activate the error messages in TYPO3.
To do this, set the Display Errors option to 1 in the Install Tool under All Configuration. In most cases, an error is then displayed that provides information on how to solve the problem.
After solving the problem, set the value back to 0 (no display of errors) or 2 (display only if your own IP address matches the value in devIPmask).
No login via SSH (shell) possible
One possible cause of a failed connection via SSH can be a new RSA key fingerprint on the server.
On the MAC, an incorrect RSA key fingerprint can simply be deleted in the known_hosts file(Terminal ' open .ssh). The new fingerprint is then re-entered when a new connection is established. This should make it possible to log in to the shell again.
Display the IP address of the server
Is the domain not accessible because it is registered with another provider and does not forward to the correct IP address? To check this, you can determine the IP address of the domain using the PING command. We will show you the necessary steps below:
Procedures:
- MAC OS X:
Open the terminal, e.g. via the Spotlight search (cmd+spacebar), search for Terminal. - Windows:
Open the Command Line Tool (CMD), e.g. via the Windows search (enter the Windows key and "cmd").
In the now open Terminal/CMD, enter the following command:
ping -c 1 name-your-domain.comThe current IP address now appears in a new line.
Now compare the IP address determined with that of your server. You can find this in the customer menu under Configuration ' FTP and WebDAV access by pointing with the mouse pointer to the small white "i" in front of "Display of FTP accounts". Please note that if an SSL certificate is installed, the domain must point to the IP address of the certificate.
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