Turn Off Antivirus and Firewall

**1： Turn off the firewall**

| operating system | method |
| ------------ | ------------ |
| Windows |There is no need to turn off the firewall,as the LarkXR Manager automatically adds the port numbers used by LarkXR to the inbound rules in the advanced settings of the firewall when it is running. |
| Linux | ufw command 1. 1. Check the current status of the firewall：`sudo ufw status` 2. Turn on/off the firewall:`sudo ufw enable/disable` 3. Check the firewall version:`sudo ufw version` 4.Allow/deny external access to the machine by default:`sudo ufw default allow/deny` 5. Allow/deny external access to port 53:`sudo ufw allow/deny 53` 6. Allow a certain IP address Access all ports of this machine:`sudo ufw allow from [192.168.0.1]` iptables command 1. Check the current status of the firewall：`service iptables status` 2. Turn on/off the firewall:`service iptables start/stop` 3. Restart the firewall：`service iptables restart` or 1. Enter the init.d directory:`cd /etc/init.d/` 2. Check the firewall status:`iptables status` 3. Temporarily turn off the firewall: `iptables stop` 4. Restart iptables: `iptables restart` for reference only. Please check Baidu or Google for specific commands to close the firewall. |

**2：Turn off Windows Defender antivirus**
system and install Tinder antivirus software

| operating system  | method  |
| ------------ | ------------ |
| Server2019  | Open Server Manager-Local Server-Windows Defender Antivirus-Real-time Protection. All protection provided by the cloud needs to be turned off.![](https://docs.paraverse.cc/media/202504/ffe6047231624700b15eeed9cf8353f76289.png) |
| Win10  |  Open Windows Security Center - Virus & Threat Protection and turn off Windows Defender antivirus software option![](https://docs.paraverse.cc/media/202504/f303a23443fb4e26b39d09ee8a99a04a8672.png)  |