### Install or Update Zapret4Rocket

Source: https://github.com/indeecfox/zapret4rocket/blob/master/README.md

Run this command to download and execute the Zapret4Rocket installation script. It automatically handles updates and strategy selection.

```bash
curl -O https://raw.githubusercontent.com/IndeecFOX/z4r/4/z4r && sh z4r
```

--------------------------------

### Install Bash on ASUS Routers

Source: https://github.com/indeecfox/zapret4rocket/blob/master/README.md

Installs the bash shell on ASUS routers if it's missing, which may be required for certain script operations. A reboot is recommended after installation.

```bash
opkg install bash
```

--------------------------------

### Install Curl on Debian/Ubuntu or OpenWRT

Source: https://github.com/indeecfox/zapret4rocket/blob/master/README.md

Installs the curl utility if it's missing or corrupted, essential for downloading the Zapret4Rocket script. Use the appropriate command for your system.

```bash
apt update || opkg update && apt install curl || opkg install curl
```

--------------------------------

### Enable TCP Timestamps on Windows

Source: https://github.com/indeecfox/zapret4rocket/blob/master/README.md

Enables TCP timestamps in Windows command prompt. This can resolve connectivity issues for Windows clients using Zapret4Rocket.

```bash
netsh interface tcp set global timestamps=enabled
```

--------------------------------

### Bypass RKN Download Block for Entware

Source: https://github.com/indeecfox/zapret4rocket/blob/master/README.md

Modifies the opkg configuration to use an alternative mirror, bypassing potential download blocks from RKN (Russian Federation's communication regulator).

```bash
sed -i 's|bin.entware.net|entware.diversion.ch|g' /opt/etc/opkg.conf
```

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