Digital & Information Technology IT infrastructure

System administration 2: Firewall rules troubleshooting

The following is a list of┬ácommon practices for troubleshooting firewall rules that have been implemented for a server’s connectivity to another endpoint. Confirm Firewall rules Implementation Operating system Level connectivity test on established ports from source server/firewall to destination server/firewall. Test should verify routing, network address translation, ports, and URLs where applicable. If there is […]