Golang's security settings on Debian
May 16, 2025 pm 01:15 PMWhen 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
-
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>
-
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>
-
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>
-
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>
-
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>
-
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
- How safe is Golang on Debian - Q&A - Yisu Cloud
- How to install and configure golang environment in Linux system - Programming Learning Network
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.
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