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Luflosi 2021-10-31 18:02:31 +01:00
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02_1_Setting_Up_a_Bitcoin-Core_VPS_with_StackScript.md
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@ -202,7 +202,7 @@ Although the default Debian 11 image that we are using for your VPS has been mod
Your Bitcoin VPS installation is minimal and allows almost no communication. This is done through the uncomplicated firewall (`ufw`), which blocks everything except SSH connections. There's also some additional security possible for your RFC ports, thanks to the hidden services installed by Tor. Your Bitcoin VPS installation is minimal and allows almost no communication. This is done through the uncomplicated firewall (`ufw`), which blocks everything except SSH connections. There's also some additional security possible for your RFC ports, thanks to the hidden services installed by Tor.
**Adjusting UFW.** You should probably leave UFW in its super-protected stage! You don't want to use a Bitcoin machine for other services, because everyone increases your vulnerability! If you decide otherwise, there are several [guides to UFW](https://www.digitalocean.com/community/tutorials/ufw-essentials-common-firewall-rules-and-commands) that will allow you to add services. As advertised, it's ncomplicated. For example adding mail services would just require opening the mail port: `sudo ufw allow 25`. But don't do that. **Adjusting UFW.** You should probably leave UFW in its super-protected stage! You don't want to use a Bitcoin machine for other services, because everyone increases your vulnerability! If you decide otherwise, there are several [guides to UFW](https://www.digitalocean.com/community/tutorials/ufw-essentials-common-firewall-rules-and-commands) that will allow you to add services. As advertised, it's uncomplicated. For example adding mail services would just require opening the mail port: `sudo ufw allow 25`. But don't do that.
**Adjusting Tor.** You might want to better protect services like SSH. See [Chapter 14: Using Tor](https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/14_0_Using_Tor.md) for more on Tor. **Adjusting Tor.** You might want to better protect services like SSH. See [Chapter 14: Using Tor](https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/14_0_Using_Tor.md) for more on Tor.