Hi, I'm using sshguard to acomplish this. You can acutally choose tthe size of the range you want to block, /8 of /16, no problem. It works perfect! It is included in the repo both for C7 and C8. Adrian -- Adri P. van Bloois "Elegance is not a dispensable luxury but a factor that decides between success and failure." Edsger W. Dijkstra _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos