Top 10 blacklist in the world
https://www.spamhaus.org/statistics/countries/
whiltelist
http://www.whitelisted.org
check spammed host
http://apews.org/
http://www.blacklistalert.org/
https://www.dnsbl.info/dnsbl-database-check.php
Upgrade php and httpd(apache) on CentOS 7
1. for latest php from https://rpms.remirepo.net/ $ wget https://rpms.remirepo.net/enterprise/remi-release-7.rpm $ sudo rpm -ivh remi-release-7.rpm $ sudo yum -y --enablerepo='remi-php74' --enablerepo='remi' install php-7.4.29 2. for latest httpd from https://repo.codeit.guru/ $ wget https://repo.codeit.guru/codeit-repo-release.el7.rpm $ sudo rpm -ivh codeit-repo-release.el7.rpm $ sudo yum -y install httpd-2.4.53 3. If error message occurred on httpd-2.4.53 + php 5.4.X (Invalid command php...) modify /etc/httpd/conf.modules.d/00-mpm.conf disable mpm_event with #(sharp) and enable mpm_prefork with unsharp references https://rpms.remirepo.net/ https://repo.codeit.guru/ https://repo.codeit.guru/packages/centos/7/x86_64/ https://repo.ius.io/ https://tw.arip-photo.org/320126-error-start-apache-php-value-MDGNGZ https://www.datadoghq.com/blog/monitoring-apache-web-server-performance/#prefork-mpm #Cyber Security
