Buckaroo openssl_sign issue
As of writing make sure your openssl has SHA1 enabled.
Defaults wp-config
If the webserver is w123c2 , then
SPF
Cluster 1 (Brabant) Cluster 2 (Rotterdam)
I want to overwrite WP Core (wp-admin, wp-includes, twenty-x themes and so on), may I?
No you may not. We run, secure and update all WP Core files. Do not modify any WP Core file, it will be automatically overwritten.
Rest/wp-json firewalling
Getting a 403 response ? Sent us: your _full_ : useragent, IP adress, domain, path. Before you do, check your home directory for managedwp_[date].txt logs. Do note that we block common bot user-agents such as curl or wget. Make sure your user-agent is human readable and unique.
Spamexperts IP ranges
https://kb.oxilion.nl/support/solutions/articles/77000482982-anti-spam-gebruik-voor-beheerders-eigen-mail-servers
Is WP_ENVIRONMENT_TYPE available?
Yes, WP_ENVIRONMENT_TYPE is available on our staging servers, set to 'staging'. Also when you are on a "staging." subdomain -> it is set to 'staging', but only if not set in wp-config via WP_ENVIRONMENT_TYPE
Are exec(), system() and other system calls available?
No, they might however be present when using cloudlinux
Is WP-cli present?
Yes, command is wp as well as wp-cli