Email edits:CSRF token error. Try to refresh the page and try again

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Email edits: I simply don’t trust mautic to save more than a few changes between saves.
After losing (way) too much work,
I’m now… saving more often than I ever did on a C=64.
CSRF token error. Try to refresh the page and try again
The error message steaks by too fast to easily copy/paste it.

It looks like future edits will be (outside) of mautic…
Suggestions? =)

Mautic 4.4.5 via cPanel softaculous installer
on Hostgator Snappy 2000
memory to 512mb(of 2gb) & timeout to 300
& LinuxMint 21.1 mate (1 week install)on my laptop
Opera version:95.0.4635.25

My Mautic version is:4.4.5 (“upgrade” toasted my build,while hanging on cache clean, so removed, ReBuilt & NOT “upgrading”)
My PHP version is: 7.4.33
My Database type and version is: MySQL
Server type: MySQL
Server version: 5.7.41 - MySQL Community Server (GPL)
Database client version: libmysql - mysqlnd 7.4.33
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if any of you are running into a weird inconsistent CSRF problems with mautic after fresh installation.

where sometimes mautic works, but in like 50% of cases it reports “The CSRF token is invalid. Please try to resubmit the form.” and doesn’t save…

It turned out that - In my docker setup - I intentionally have ipv6 enabled.
Also my docker networks have ipv6 configured.
So my mautic containers get both IPv6 and IPv4 - Docker will then use either one.

So you have to make sure to whitelist IPv6 range in trusted_proxies as well (not only ipv4).

        'trusted_proxies' => array(
                '0' => '0.0.0.0/0',
                '1' => '::/0'
        ),