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Table of Contents
Security Setup Steps
Security Configuration Guide Resources
Home Backend Development Golang Golang's security settings on Debian

Golang's security settings on Debian

May 16, 2025 pm 01:15 PM
linux golang Firewall configuration golang development red

When setting up a Golang environment on Debian, it is crucial to ensure system security. Here are some key security setup steps and suggestions to help you build a secure Golang development environment:

Security Setup Steps

  1. System update :

    Before installing Golang, make sure the system is up to date. Update the system package list and installed packages using the following command:

     <code>sudo apt update sudo apt upgrade -y</code>
  2. Firewall configuration :

    Install and configure a firewall (such as iptables) to limit access to the system. Only necessary ports (such as HTTP, HTTPS, and SSH) are allowed.

     <code>sudo apt install iptables sudo iptables -A INPUT -p tcp --dport 22 -j ACCEPT # 允許SSH連接sudo iptables -A INPUT -p tcp --dport 80 -j ACCEPT # 允許HTTP連接sudo iptables -A INPUT -p tcp --dport 443 -j ACCEPT # 允許HTTPS連接sudo iptables -A INPUT -j DROP # 拒絕所有其他入站連接sudo service iptables save sudo service iptables start</code>
  3. Restrict root user permissions :

    Avoid using root users to operate, you can create a normal user and give necessary permissions through the sudo command.

     <code>sudo useradd -m dev sudo usermod -aG sudo dev</code>
  4. SSH service configuration :

    • Generate SSH key pairs for authentication and add the public key to the ~/.ssh/authorized_keys file on the server side.
    • Edit the /etc/ssh/sshd_config file, disable root remote login and restrict login with empty password.
     <code>ssh-keygen cat ~/.ssh/id_rsa.pub | ssh user@your_server "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys" sudo sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin no/' /etc/ssh/sshd_config sudo sed -i 's/PermitEmptyPasswords no/PermitEmptyPasswords no/' /etc/ssh/sshd_config sudo service ssh restart</code>
  5. Password policy settings :

    Use the PAM module to strengthen password policies and edit the /etc/pam.d/common-password file to implement password complexity requirements.

     <code>sudo apt install libpam-cracklib sudo sed -i 's/password requisite pam_cracklib.so retry=3 minlen=8 dcredit=-1 ucredit=-1 ocredit=-1 lcredit=-1/password requisite pam_cracklib.so retry=3 minlen=8 dcredit=-1 ucredit=-1 ocredit=-1 lcredit=-1/' /etc/pam.d/common-password</code>
  6. Take advantage of Go's security features :

    • Build secure applications with built-in features of Golang, such as parameterized query prevention SQL injection, CSRF protection and XSS attack protection.
    • Use third-party security libraries such as gorilla/csrf middleware to protect applications from common cyber attacks.

Security Configuration Guide Resources

Through the above steps and suggestions, you can safely set up and configure the Golang environment on Debian to ensure the security and stability of your system.

Golang's security settings on Debian

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