Update letsencrypt_renew_hook.sh to note that this script won't affect anything as it will only help to recreate ispserver.pem file only if Let's Encrypt certificates are there.

Update letsencrypt_post_hook.sh to check for web server if any exist because we cannot close http port 80 in case the web server is installed later. We also need to restart it if web server exist since it is close in pre hook.

Update letsencrypt_pre_hook.sh to stop web server if any exist because standalone needs to use http port 80 in case the web server is installed later.

Update letsencrypt_renew_hook.sh to make adjustments / fixes for RHEL and Centos as advised in ispconfig/ispconfig3!911 (comment 73115)

Update letsencrypt_renew_hook.sh as dovecot-imapd is just dovecot in Red Hat / Centos as advised in https://git.ispconfig.org/ms217.

Update letsencrypt_renew_hook.sh to support Red Hat, Centos or its derivatives; as well as restarting mysql and/or mariadb as letsencrypt can be use to secure them as well.

Add new file to support the recreation of ispserver.pem after each and every successful ISPConfig Server LE SSL certs renewal for other related services and to reload or restart them thereafter.

Update letsencrypt_post_hook.sh to check for OS and other firewall or use iptables. Not fully tested.

Update letsencrypt_pre_hook.sh to check for OS and other firewall or use iptables. Not fully tested.

Add new file "letsencrypt_post_hook.sh" to support letsencrypt standalone during ISPConfig installation or update for non-webservers. Webservers shall always use webroot.

Add new file "letsencrypt_pre_hook.sh" to support letsencrypt standalone during ISPConfig installation or update for non-webservers. Webservers shall always use webroot.

Added support for git-stable branch (currently stable-3.1 branch) in ISPConfig update script for easier development and testing.