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Code Issues Releases Wiki Activity

Updated FAQs (markdown)

Bill Zimmerman 2019-12-14 11:54:10 +01:00
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FAQs.md

@ -16,7 +16,7 @@ This has been written to address some frequently asked questions among users of
* [Can the Quick Installer accept the default options without prompting me?](#unattended)
* [Can I configure an alternate port for RaspAP's web service?](#webport)
* [OpenVPN fails to start and/or I have no internet. Help!](#openvpn)
* [How do I exclude iptables NAT rules from requests to localhost?](#iptables)
* [How do I exclude NAT rules from IP traffic on localhost?](#iptables)
### <a name="settings"></a>What do all these settings in the UI do? Changing them seems to have no effect.
RaspAP manipulates several daemons, services and helper programs behind the scenes for you. In the footer of each management panel is a helpful "Information provided by..." label. These indicate which Linux daemon and/or program is being modified by the UI. Learning what these services are and how they work will go a long way toward demystifying things.
@ -245,7 +245,7 @@ RaspAP supports OpenVPN clients by uploading a valid .ovpn file to `/etc/openvpn
It is your responsibility to provide a valid .ovpn file; RaspAP does not attempt to validate the settings or RSA keys contained in this file. If OpenVPN fails to start, check for errors with `sudo systemctl status openvpn-client@client` and `journalctl --identifier openvpn`.
### <a name="iptables"></a> How do I exclude iptables NAT rules from requests to localhost?
### <a name="iptables"></a> How do I exclude NAT rules from IP traffic on localhost?
RaspAP's [Quick Installer](https://github.com/billz/raspap-webgui/wiki/Quick-Installer-usage) configures network-address-translation (NAT) with iptables rules, so that the RPi can act as an internet gateway to multiple hosts on a local network with a single public IP address. This is done by rewriting the addresses of IP packets as they pass through the NAT system. Many access points, including RaspAP, use a combination of IP forwarding and masquerading to achieve this.
In some cases, NAT rules applied to `localhost` can interfere with other services running on an RPi. An example is the Plex Media Server, which has an API that listens on localhost. As of this writing, the Plex API has been built to not authenticate communication between service processes of the server. This can cause a failure to communicate with the Plex API or similar add-on services on your RPi.