Check for Blocks in CentOS 7 Firewalld January 8, 2018 The Geek Decoder No Comments Firewall How to check if there are blocks in CentOS 7 firewalld # grep -i blocked /var/log/messages | wc -l Post navigation ← Error 401: Unauthorized: Access is denied due to invalid credentialsNmap Script to Test SSL Versions and Cipher Suites →