Linux Firewall

iptables Rules Generator

Easily generate Linux server firewall rules
For beginners to experts

🛡️

Default Policy

Default Firewall Policy

Allow localhost (127.0.0.1)

Keep existing connections (ESTABLISHED, RELATED)

Allow ICMP Ping

⚡

Allow Services (Click to Add)

Add Custom Port

📋

Quick Templates

Allow SSH, HTTP, HTTPS

Allow SSH, MySQL, PostgreSQL

Allow SSH, SMTP, IMAP, POP3

Allow SSH, HTTP, 8080, 3000

🔌

Add Port Rule

Chain

Port

Protocol

Action

Source IP (Optional)

🌐

IP-based Rules

IP Address / Range

Action

Direction

⚙️

Advanced Options

Log dropped packets

Rate Limiting (DDoS Protection)

SYN Flood Protection

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NAT / Port Forwarding

NAT Type

External Interface

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Added Rules (0)

No rules yet. Select services above or add custom rules.