Bastion Configuration and Installation
Firewall Configuration
Inbound Rules
| Type |
Protocol |
Port Range |
Sources |
| All TCP |
TCP |
All ports |
131.226.32.251 |
| SSH |
TCP |
22 |
Custom IP addresses |
Outbound Rules
| Type |
Protocol |
Port Range |
Destinations |
| ICMP |
ICMP |
All ports |
All IPv4, All IPv6 |
| SSH |
TCP |
22 |
All IPv4, All IPv6 |
| DNS TCP |
TCP |
53 |
All IPv4, All IPv6 |
| HTTP |
TCP |
80 |
All IPv4, All IPv6 |
| HTTPS |
TCP |
443 |
All IPv4, All IPv6 |
| Custom |
TCP |
587 |
All IPv4, All IPv6 |
| DNS UDP |
UDP |
53 |
All IPv4, All IPv6 |
| Custom UDP |
UDP |
123 |
All IPv4, All IPv6 |
| Custom UDP |
UDP |
323 |
All IPv4, All IPv6 |
Installation
service iptables stop
nslookup bbc.co.uk
systemctl stop iptables
systemctl stop firewalld
systemctl start firewalld
Configuration
N/A - handled by WAF (Web Application Firewall).
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