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Closes #18

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kn0wmad
2021-03-26 11:26:25 -06:00
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@@ -241,6 +241,10 @@ What if I can't connect to my Embassy?
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Please ensure your phone / computer is connected to the same wired or wireless network as your Embassy. Be careful that you are not on a separate or "guest" network. Please ensure your phone / computer is connected to the same wired or wireless network as your Embassy. Be careful that you are not on a separate or "guest" network.
What if I have a network issue, for example, with a firewall?
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The Embassy is designed to work as simply as possible, for as many as possible, while providing the ability to self-host in a private manner. If you have an agressive or custom firewall, or other custom network settings, there is a good chance that addtional configuration may be necessary. We will continue to learn about custom networking issues, update our docs with resources, and help in the community :ref:`channels <contact>` to the best of our ability.
Can I use the Embassy from behind a VPN, for example, if my router has a built-in VPN? Can I use the Embassy from behind a VPN, for example, if my router has a built-in VPN?
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While this is possible, it adds complexity, which may lead to problems. You will need to understand the setup of your router/VPN and how it supports (or doesn't support) tor connections. While this is possible, it adds complexity, which may lead to problems. You will need to understand the setup of your router/VPN and how it supports (or doesn't support) tor connections.
@@ -411,5 +415,5 @@ It is possible to have lightning balances that are so low that they will not (or
Why are Lightning Network backups and moves so complicated? Why are Lightning Network backups and moves so complicated?
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There are safe ways to do an “atomic move” of a LN node but it requires a very specific sequence of actions and certain mistakes can result in your counterparties taking all your funds. Fundamentally, today, LN works on a punishment scheme. This means if you publish revoked state, that the counterparty is entitled to a claim on all the funds in the channel. This incentive system is what makes the whole thing work. Without it LN would be subject to various kinds of thievery. There are safe ways to do an “atomic move” of a LN node but it requires a very specific sequence of actions and certain mistakes can result in your counterparties taking all your funds. Fundamentally, today, LN works on a punishment scheme. This means if you publish revoked state, that the counterparty is entitled to a claim on all the funds in the channel. This incentive system is what makes the whole thing work. Without it LN would be subject to various kinds of thievery.
So the downside is that backups of old state are not safe. This is because your node might believe it is the real state of the channel, but it may be unaware of states created since then. The problem here is that your node naively believes something different from the truth, which can result in all of the funds being lost. In response to this reality, the safe backup systems, including those generated by RTL, actually do not include channel state. They only list the peers that you had channels with. Restoring these backups essentially politely asks your peers to force close the channels they have with you. In those moments it is possible for your peer to try and cheat you, but they cannot be 100% sure that you can’t punish them, so it’s extremely unlikely that they will attempt to do so. So the downside is that backups of old state are not safe. This is because your node might believe it is the real state of the channel, but it may be unaware of states created since then. The problem here is that your node naively believes something different from the truth, which can result in all of the funds being lost. In response to this reality, the safe backup systems, including those generated by RTL, actually do not include channel state. They only list the peers that you had channels with. Restoring these backups essentially politely asks your peers to force close the channels they have with you. In those moments it is possible for your peer to try and cheat you, but they cannot be 100% sure that you can’t punish them, so it’s extremely unlikely that they will attempt to do so.