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Author Topic: I'm considering becoming a full node  (Read 333 times)
alani123
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February 09, 2020, 05:37:06 PM
 #21

One volunteer a day keeps the 51% attack away right?

It doesn't. 51% has absolutely nothing to do with helping to resist 51% attacks. Since the blocks generated during 51% attack, the ease of executing an attack with 10 nodes is the same as 10,000. Nodes would just accept the rogue blocks since they are still within the protocol rules.

In terms of security, it does help to improve the network's security by potentially make sybil attack harder. For a sybil attack to be executed with a large number or nodes, the attacker needs a lot more resources and nodes to have a chance at executing one.
The more honest full nodes there are on the network, the hardest it is for miners to perform attacks on the network or increase their earnings with malicious practices via Sybil attacks. For example, in a selfish mining attack, the attackers might have higher chances of having their split of a chain being accepted if they had poisoned the network with non-impartial nodes. So in an indirect way, honest nodes help also against mining attacks.

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February 14, 2020, 06:40:04 PM
 #22

Hahhaha, what is then the usefull thing of Bitcoin Core ?
When you have it running but nothing get for it ?
If you want to earn something and can keep a node running then you can try running a lightning node but I'm not sure how much you can earn from the fees of on - it'll be very little atm though.

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February 14, 2020, 07:12:52 PM
 #23

Hahhaha, what is then the usefull thing of Bitcoin Core ?
When you have it running but nothing get for it ?
If you want to earn something and can keep a node running then you can try running a lightning node but I'm not sure how much you can earn from the fees of on - it'll be very little atm though.

I am afraid routing fees are totally inadequate to compensate for hardware, running costs and time spent to run a lightning node.
Running a node for the fees means doing so for the least important of the reasons.


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February 15, 2020, 06:00:13 AM
Merited by fillippone (2)
 #24

Hahhaha, what is then the usefull thing of Bitcoin Core ?
When you have it running but nothing get for it ?
If you want to earn something and can keep a node running then you can try running a lightning node but I'm not sure how much you can earn from the fees of on - it'll be very little atm though.

I am afraid routing fees are totally inadequate to compensate for hardware, running costs and time spent to run a lightning node.
Running a node for the fees means doing so for the least important of the reasons.

Don't forget transaction fees when you open and close channel. Even faucet could give you more Bitcoin rather than routing fees.

Only exchange/services who might earn profit since they have many LN channel for routing purpose.

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February 15, 2020, 07:40:43 AM
 #25


Don't forget transaction fees when you open and close channel. Even faucet could give you more Bitcoin rather than routing fees.

Only exchange/services who might earn profit since they have many LN channel for routing purpose.
Absolutely.
My badly explained point is that even running a node, already fully setup, has running cost in terms of resources (electricity, time and risks) that greatly overtake the eventual revenues.
This is in the present, I don’t know in the future (many years ahead) when L1 will be saturated and L2 will be more used.

If you are looking for quick and easy revenue, this is not the direction worth looking at.


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jackg
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February 16, 2020, 04:57:04 PM
 #26

Yeah it's not a fast way for getting a good revenue stream. But if you're not paying for electric or anything then it's an idea...

And you don't have fees to open a node, just fees if you start a channel. If you help someone else start theirs you don't pay their fees.

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February 18, 2020, 04:10:41 PM
 #27

Not my topic but question to the people replying to this - what kind of security risks (if any) come with running a full node from your residential connection?

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February 18, 2020, 05:20:19 PM
 #28

Not massively risky I would say.
If properly configured the attack footprint of a full node is definelty not too big.
You can find a few hint on how to strenghten your node here (albeit the guide is specific for a specific hardware configuration, you can find some useful hints).
If you don't run your node under TOR you might discole your IP, this may lead to ddos attacks.
Something is actually mentioned in the bitcoin.org website:

https://bitcoin.org/en/full-node#possible-problems


Quote
Possible Problems
  • Legal: Bitcoin use is prohibited or restricted in some areas.
  • Bandwidth limits: Some Internet plans will charge an additional amount for any excess upload bandwidth used that isn’t included in the plan. Worse, some providers may terminate your connection without warning because of overuse. We advise that you check whether your Internet connection is subjected to such limitations and monitor your bandwidth use so that you can stop Bitcoin Core before you reach your upload limit.
  • Anti-virus: Several people have placed parts of known computer viruses in the Bitcoin block chain. This block chain data can’t infect your computer, but some anti-virus programs quarantine the data anyway, making it more difficult to run Bitcoin Core. This problem mostly affects computers running Windows.
  • Attack target: Bitcoin Core powers the Bitcoin peer-to-peer network, so people who want to disrupt the network may attack Bitcoin Core users in ways that will affect other things you do with your computer, such as an attack that limits your available download bandwidth.



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February 18, 2020, 05:21:17 PM
 #29

Not my topic but question to the people replying to this - what kind of security risks (if any) come with running a full node from your residential connection?

If you decide to contribute to the network, your IP will be visible to everybody. At worst your IP can get DDOS'ed probably but since your router is behind a firewall and only your fullnode will use the port that you forwarded, I don't think there are any serious risks like getting hacked etc...

If you only download the data and not upload, it is not risky at all.




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February 18, 2020, 05:34:50 PM
 #30

Not my topic but question to the people replying to this - what kind of security risks (if any) come with running a full node from your residential connection?

As long as you're network has strict rules, you'll normally be fine.

There are always vulnerabilites in certain things but as long as you ensure security remains pretty tight and you don't try to change any settings you don't understand (typically on the router) and the firewall remains as strong or only allows connectios to go through to that computer (on the 8333 port) then you should be safe.


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February 18, 2020, 09:21:23 PM
 #31

Not my topic but question to the people replying to this - what kind of security risks (if any) come with running a full node from your residential connection?

If you decide to contribute to the network, your IP will be visible to everybody. At worst your IP can get DDOS'ed probably but since your router is behind a firewall and only your fullnode will use the port that you forwarded, I don't think there are any serious risks like getting hacked etc...

If you only download the data and not upload, it is not risky at all.

Ya I figured the most would be DDoS. Is getting DDoS'd while running a full node common in the Bitcoin world? I've run private game servers and it's very common in that world  Angry

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February 18, 2020, 09:50:43 PM
 #32

Not my topic but question to the people replying to this - what kind of security risks (if any) come with running a full node from your residential connection?

If you decide to contribute to the network, your IP will be visible to everybody. At worst your IP can get DDOS'ed probably but since your router is behind a firewall and only your fullnode will use the port that you forwarded, I don't think there are any serious risks like getting hacked etc...

If you only download the data and not upload, it is not risky at all.

Ya I figured the most would be DDoS. Is getting DDoS'd while running a full node common in the Bitcoin world? I've run private game servers and it's very common in that world  Angry
I have been running a node since a year now.
It never happened to me.
This is my experience.


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jackg
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February 18, 2020, 11:07:16 PM
 #33

Ya I figured the most would be DDoS. Is getting DDoS'd while running a full node common in the Bitcoin world? I've run private game servers and it's very common in that world  Angry
I have been running a node since a year now.
It never happened to me.
This is my experience.

I think they go after the nodes used for more.. The last DDoS afaik was electrum, so that was specific to nodes hosting their servers.

If you run a node, you're only one in eleven thousand so there's a chance you might not ever be DDoSed (especially if the network keeps growing and you don't stand out much).

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February 19, 2020, 06:12:07 AM
Merited by fillippone (1)
 #34

Not my topic but question to the people replying to this - what kind of security risks (if any) come with running a full node from your residential connection?

If you decide to contribute to the network, your IP will be visible to everybody. At worst your IP can get DDOS'ed probably but since your router is behind a firewall and only your fullnode will use the port that you forwarded, I don't think there are any serious risks like getting hacked etc...

If you only download the data and not upload, it is not risky at all.

Ya I figured the most would be DDoS. Is getting DDoS'd while running a full node common in the Bitcoin world? I've run private game servers and it's very common in that world  Angry

It rarely happens because there aren't many options to DDoS full nodes. Additionally, Bitcoin Core have mechanism to block peers/nodes who attempt to DDoS by sending invalid information.

You probably don't need to worry about it too much, unless your node is part of public service (e.g. pools, block explorer, exchange, etc.)

jackg
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February 19, 2020, 07:11:06 PM
 #35



It rarely happens because there aren't many options to DDoS full nodes. Additionally, Bitcoin Core have mechanism to block peers/nodes who attempt to DDoS by sending invalid information.

You probably don't need to worry about it too much, unless your node is part of public service (e.g. pools, block explorer, exchange, etc.)

I thought you'd ddos the router and not the machine? Unless you can find a port on the same machine thst is more vulnerable to attacks...

Not sure if we've moses on from accelerated denial of service (using timeservera) as that flaw may have been patched or there might have been something more efficient.

I think the reason people aren't using DoS attacks more is because they're not very worthwhile. Especially since most people can get a new ip pretty quickly too or can push their node through a different network.

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February 20, 2020, 08:40:48 AM
 #36



It rarely happens because there aren't many options to DDoS full nodes. Additionally, Bitcoin Core have mechanism to block peers/nodes who attempt to DDoS by sending invalid information.

You probably don't need to worry about it too much, unless your node is part of public service (e.g. pools, block explorer, exchange, etc.)

I thought you'd ddos the router and not the machine? Unless you can find a port on the same machine thst is more vulnerable to attacks...

Not sure if we've moses on from accelerated denial of service (using timeservera) as that flaw may have been patched or there might have been something more efficient.

I think the reason people aren't using DoS attacks more is because they're not very worthwhile. Especially since most people can get a new ip pretty quickly too or can push their node through a different network.

DDoS the router or other vulnerability of the client's device are also possible, but it's different topic and i was talking about possibility of DDoS from Bitcoin network protocol.

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