Allowing Port 443 (HTTPS) Outbound

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Windows Server / Windows OS

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Method 1: Windows Defender Firewall (GUI)

1. Press Win + R, type wf.msc, and press Enter to open Windows Defender Firewall with Advanced Security.
2. Click on Outbound Rules in the left panel.
3. In the right panel, click New Rule…
4. Select Port and click Next.
5. Choose TCP, select Specific remote ports, and type 443. Click Next.
6. Select Allow the connection and click Next.
7. Keep all profiles checked (Domain, Private, Public) and click Next.
8. Name the rule (e.g., BedwarsRestrictions - Port 443 Outbound) and click Finish.

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Method 2: PowerShell (Administrator)

New-NetFirewallRule -DisplayName "Allow Outbound HTTPS 443" -Direction Outbound -Action Allow -Protocol TCP -RemotePort 443

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Linux (Ubuntu, Debian, CentOS, RHEL)

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1. Ubuntu / Debian (UFW)

# Check UFW status
sudo ufw status

# Allow HTTPS (Port 443) traffic
sudo ufw allow 443/tcp
sudo ufw allow out 443/tcp

# Reload firewall rules
sudo ufw reload

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2. CentOS / RHEL / AlmaLinux (firewalld)

# Allow HTTPS service permanently
sudo firewall-cmd --permanent --add-service=https

# Allow Port 443 TCP explicitly
sudo firewall-cmd --permanent --add-port=443/tcp

# Reload firewall settings
sudo firewall-cmd --reload

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3. Native iptables

# Allow outbound TCP traffic on port 443
sudo iptables -A OUTPUT -p tcp --dport 443 -j ACCEPT

# Save rules (varies by OS distribution)
sudo service iptables save

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macOS Server / macOS

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Method 1: System Settings (GUI)

1. Open System Settings > Network > Firewall.
2. Click Options…
3. Ensure Block all incoming connections is OFF.
4. Ensure your Java binary (or Minecraft server terminal) is set to Allow incoming connections.

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Method 2: Terminal (pfctl)

1. Open Terminal.
2. Check if pf is running:

sudo pfctl -s info

3. To add a temporary pass rule for port 443:

echo "pass out proto tcp to any port 443" | sudo pfctl -a custom -f -

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Cloud Hosting / VPS Providers

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Google Cloud Platform (GCP)

1. Go to the VPC network section in your GCP Console.
2. Click on Firewall in the left menu, then click Create Firewall Rule.
3. Name: allow-https-outbound
4. Direction of traffic: Select Egress (Outbound).
5. Action on match: Select Allow.
6. Targets: Select Specified target tags and add the tag assigned to your VM (e.g., allow-https).
7. Destination filter: IPv4 ranges -> Set to 0.0.0.0/0.
8. Protocols and ports: Check TCP and type 443.
9. Click Create.

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AWS EC2

1. Go to your EC2 Dashboard and click on your Instance.
2. Select the Security tab and click on your Security Group.
3. Click Edit Outbound Rules (do not change Inbound rules).
4. Click Add Rule:
   • Type: HTTPS
   • Protocol: TCP
   • Port Range: 443
   • Destination: Anywhere-IPv4 (0.0.0.0/0)
5. Click Save rules.

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DigitalOcean

1. Go to Networking > Firewalls.
2. Select the firewall attached to your Droplet.
3. Scroll down to Outbound Rules and click Add Rule.
4. Select Secure Web (HTTPS) from the dropdown (this automatically sets TCP Port 443 to All IPv4/IPv6).
5. Click Save.

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Linode (Akamai Connected Cloud)

1. Go to the Linode Cloud Manager dashboard and select Firewalls from the left-hand navigation menu.
2. Click on the firewall attached to your Linode instance (or click Create Firewall if you have not set one up yet).
3. Select the Outbound Rules tab.
4. Click Add Rule and configure the settings:
   • Label: allow-https-outbound
   • Type: HTTPS (Selecting this automatically sets the Protocol to TCP and Port Range to 443)
   • Action: Accept
   • Sources: All (or Anywhere-IPv4 / 0.0.0.0/0)
5. Click Save on the rule drawer, then click Save Changes at the top right of the main page to apply the firewall configuration.

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Game Panel Hosts (Pterodactyl / Apex / Bisect)

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How to Test Port 443 Connectivity

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On Linux / macOS:

curl -v https://google.com

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On Windows (PowerShell):

Test-NetConnection -ComputerName google.com -Port 443