Questions tagged [connection]
The connection tag has no usage guidance.
83
questions
3
votes
1
answer
43
views
bitcoin-cli -netinfo not showing incoming ipv4 peers
I was trying to get my bitcoin node to be able to receive ipv4 peers for couple of days, but could not see any incoming peers even tho my port 8333 was open and reachable and to my best knowledge ...
- 56
2
votes
1
answer
24
views
How do I troubleshoot port accessibility to allow inbound connections on MacOS?
I'm wondering if anyone has experienced anything like this. IPv4 ports seem blocked. I have tried everything to open a port on my Mac but the port seems blocked.
It's like the only port that can be ...
- 331
1
vote
1
answer
58
views
Low number from getconnectioncount
I have been running my bitcoin node for about 24 hours now and I'm hovering at 54 active connections. However, I thought that I would be at 125. Why is it that I'm not exceeding this number? ...
1
vote
1
answer
31
views
Incoming and Outgoing Node Connections
Should I be concerned that I only see "Out" connections, and not "In" connections? What does this mean? Is everything fine, or is there something I'm doing wrong?
- 41
2
votes
1
answer
107
views
Mempool docker unable to connect to electrum server
I'm having a problem with "connecting" my mempool.space to electrumX server.
My bitcoin core is working fine, electrumX server is fine as well and up to chaintip. I've installed docker and ...
2
votes
1
answer
311
views
Really strange issue when trying to connect Sparrow Wallet to Bitcoin Core
I am really loosing my mind on this. I am actually not a technical noob but also not the very best technican. But things like this should actually be very easy for me.
What I want to do: I just want ...
- 21
0
votes
1
answer
80
views
How to force node to use tor connections, onlynet=onion already
I've followed all these steps
How can I setup Bitcoin to be anonymous with Tor?
I've added onlynet line in my conf file, but all my peers come with ipv4 connection. When I run getnetworkinfo I get ...
2
votes
1
answer
85
views
Connection to my full node via Python script suddenly fails
I run a mynode full node on a raspi for quite some time now and was playing around with Python scripts to connect and send txs. This worked fine until lately. Turns out the connection establish ...
2
votes
1
answer
52
views
How can I establish a connection with an IPv4 peer when my node has only IPv6?
I have a channel with someone who only has IPv4. I only have IPv6. How can I redirect the port in my LND to accept IPv4?
- 63
0
votes
0
answers
113
views
Connection error
i have installed bitcoin node, it was syncing before i went to sleep, i want to know the percentage of the synced, anytime i query on the bitcoin-cli getblockcount ,i get this error "
error: ...
- 1
1
vote
0
answers
47
views
Why variations in tor onion service incoming node identifcation formats?
With these bitcoin.conf parameters:
proxy=127.0.0.1:9050
listen=1
onlynet=onion
bind=127.0.0.1
externalip=[my 64-char code].onion
[plus 32 addnode=[onion address] entries]
I quickly get 18 outgoing ...
- 347
0
votes
1
answer
170
views
Running bitcoind regtest with docker containers
I am running bitcoind regtest locally with the method from this article https://medium.com/ssde/how-to-use-docker-to-setup-multiple-bitcoin-test-nodes-on-your-own-mac-phase-i-8c6e5442c189.
However, ...
1
vote
1
answer
360
views
Only 10 connections on my raspberry pi full node
I'd like to know why I only get 10 connections on my full node?
Is there something missing in the conf file?
$bitcoin-cli -netinfo
Bitcoin Core v0.21.0.0-7d8a10a6f - 70016/Satoshi:0.21.0/
ipv4
ipv6
...
- 21
9
votes
1
answer
461
views
With peerblockfilters=1 hundreds of "btcwire 0.5.0/neutrino" connections are downloading TB from my Bitcoin node
I run Bitcoin Core 0.21.0 from a data center, unmetered, with compact block filters enabled (blockfilterindex=1 peerblockfilters=1).
Soon after the restart, I get a huge number (140-200) of ...
- 241
0
votes
1
answer
221
views
Where can I find RPC_User and RPC_Password for my Python Script?
I'm still struggling with this to obtain "rpc_user" and "rpc_password" this is the Python Script
I did try others to fill in others network like Blockdaemon.com but it does not ...
- 33
1
vote
1
answer
221
views
SPV client TCP connection in python
I am trying to implement an SPV client in python (for my own learning). I want to start by making a simple TCP connection to a full node, but I either cannot get a response to my version message, or ...
- 33
5
votes
2
answers
2k
views
What exactly does the scary option "Allow incoming connections" do in Bitcoin Core?
Software authors seem to enjoy consciously freaking me out by having vaguely or entirely uncommented options in their software with very ominous labels.
In Bitcoin Core's settings, it says "[X] ...
- 59
0
votes
1
answer
228
views
Bitcoin V0.1 Not Connected
My Bitcoin V 0.1 says, "not connected" when I try to generate coins. I have ensured the port is connected through the firewall. Also, I have read that V 0.1.3 corrected this problem. However,...
0
votes
0
answers
511
views
Problem connecting on Slush's pool with GUIMiner, i tried many Host adress to connect, every time it says the target computer expressly reject it
I'm on Windows 10 with GUIminer, i want to mine on the slush's pool but every time i enter every host adress i saw it didn't work on slush pool.
I entered the right login for my miner and on ...
- 1
2
votes
1
answer
166
views
How to achieve fast mempool synchronization at startup?
I just started my 'occasional' full-node and I am watching the size of the mempool grow after full block synchronization - watch -n 3 'bitcoin-cli getrawmempool true |jq "length"' - it has around 4000 ...
- 713
0
votes
1
answer
553
views
Bitcoin Core JSONRPC only accept requests with 0.0.0.0 in configs
I've lunched a Bitcoin Core server, and trying to connect to it via JSON-RPC.
This is my configuration settings:
server=1
rpcuser=admin
rpcpassword=password
rpcport=1234
rpcallowip=94.183.32.151
...
- 137
1
vote
1
answer
327
views
difference between inbound and outbound connection
I'm running a bitcoin full node (bitcoin core) via Tor.
I noticed I have only outbound connections (using maxconnections=16 in the conf file), but not even an inbound one.
So which is exactly the ...
- 374
3
votes
1
answer
599
views
How does the Bitcoin p2p network work? Does it need port forwarding?
But does every peer node in the bitcoin p2p network need to have ports forwarded in order to participate? Otherwise, how does the p2p network work in the Bitcoin network?
I heard that there are some ...
- 131
0
votes
1
answer
218
views
Can I connect to a node as read-only?
In my Electrum wallet I can open the Network Window and view Nodes I'm connected to. Here's an example: electrum4101870.fullhealth.net. I can also find public nodes at https://bitnodes.earn.com/nodes/...
- 117
2
votes
2
answers
624
views
Are nodes that don't accept inbound connections necessarily leechers?
Gavin Andresen and James Lopp seem to think that nodes that don't accept inbound connections could be called "leechers" in the same way a torrent leecher takes but doesn't give (or at least they did 5 ...
- 1,511
1
vote
2
answers
138
views
Can a Bitcoin node create an outgoing connection to a inbound node?
I'm trying to figure out if we can create an outgoing connection to a inbound node (a node which we are already connected to, but the remote peer has initiated the connection). I know that this does ...
- 13
0
votes
0
answers
720
views
Connection Refused when running bitcoind in a non-root user and trying to make RPC calls
I'm new to Bitcoin development and I'm currently having difficulties trying to make RPC calls to a Bitcoin-Core daemon running in a SSH server. I suppose that the problem is with Firewall or closed ...
1
vote
0
answers
138
views
Bitcoin Core client on multiple computers
I have one computer with a full node bitcoin core. I would like to have bitcoin-qt installed on a different computer but I don't want to download the full blockchain again in the other computer. I ...
- 11
1
vote
0
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265
views
Why does my public IP show a Bitcoin Node is running when it is set up over Tor?
I've set up my node to run exclusively over TOR. But when I check https://bitnodes.earn.com/ and a few other sites with my public IP to check if a bitcoin node is accepting incoming connections, it ...
- 21
1
vote
2
answers
128
views
Which peers does a node broadcast a new block to?
In the Bitcoin network, when a miner discovers a new block, he needs to broadcast it to other nodes. Does the node only broadcast to outbound connections or does it broadcast to inbound connections as ...
- 11
0
votes
1
answer
69
views
Is a peer connection maintained for the life of the node, or is it recreated on every request?
Lets assume we have 2 bitcoin nodes, A and B. A is already up, and B is now coming up. B lists A as a peer node and attempts to establish a connection. A accepts, a handshake is completed and they ...
1
vote
1
answer
1k
views
Error connecting to json rpc server
For testing purposes, I need to connect from a web page in my shared hosting account (on the public internet) to my json rpc server which is running on my laptop . So bitcoind is running on my laptop, ...
- 774
1
vote
1
answer
101
views
Does Bitcoin limit the number of parallel connections from the same IP?
Is there a measure in place to prevent an adversary from connecting to a Bitcoin node many times in parallel, thus saturating its open connection slots?
- 1,430
0
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1
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63
views
How does blockchain ensure that a closed loop in network is not formed?
Suppose there are 9 nodes and each node can connect to 8 other nodes. All these 9 nodes connect to the 8 others. Then when a new node comes where does it connect to in this case? All the current nodes ...
1
vote
0
answers
98
views
How can I use raw litecoin protocol to connect to nodes?
I am trying to connect to litecoin nodes using raw protocol. I follow Ken Shirriff instructions from this article . My code works perfect with bitcoin, so I just replaced bitcoin nodes connection ...
- 113
0
votes
1
answer
3k
views
Port 8333 and Issues to have a connection
So, I have a website, and that website is going to use Bitcoins. Right now, I'm trying to connect the bitcoin core with the website.
But I have a lot of issues with port 8333:
This is my error: http:...
- 96
4
votes
1
answer
349
views
Sybil attack countermeasure
In Bitcoin Wiki Weaknesses: Sybil attack they mention that:
"Bitcoin makes these attacks more difficult by only making an outbound connection to one IP address per /16 (x.y.0.0)".
Why would this ...
- 41
1
vote
0
answers
99
views
Bitcoin core closes inbound connections every 10 minutes
I noticed that Bitcoin core will close incoming connections every 10 minutes. Wireshark captures [FIN, ACK] are received from the node. It looks like Bitcoin core is monitoring the connection time. ...
- 123
2
votes
0
answers
184
views
Clarification of some getaddr() function inputs and outputs
In the Bitcoin system to discover new nodes, each node communicates with its peers by sending getaddr() to the peers. Based on the bitcoin implementation:
//! the maximum percentage of nodes to ...
- 21
1
vote
1
answer
66
views
Why connected node count have dropped since august 1st?
before 1st august i used to connect to 55+ nodes on my bitcoin-core, even if i kept the bitcoin-core running for 12 hours.
but after 1st of august, the connected nodes count is not going above 15-23
...
user10603
0
votes
1
answer
104
views
Does bitcoin-core software/client connects with only same version number nodes?
i am trying to connect to maximum number of nodes.
i noticed there are many receive version message in debug.log file
so i have question, does the bitcoin-core connects to only those having either ...
user10603
2
votes
1
answer
278
views
How does the network handle changing IPs?
From what I understand, when a node first comes online, it requests a list of known IPs from all of it's peers. I'm assuming that by doing that, it shares its own ip to all of the peers, which in turn ...
- 123
0
votes
1
answer
695
views
Redirection to pool
dear friends. Due that my ISP blocks connection to pools i need to make a redirection via VPS that i has to a mining pool. I am very bad at networking and hardly can imagine how can i accomplish this. ...
- 11
0
votes
1
answer
437
views
Are incoming connections required for mining?
I am setting up a RPi3 Mining node for fun. I know that it will have less than 8 connections that are outgoing.
I know that if I was able to configure my network and router to allow incoming ...
- 123
1
vote
1
answer
1k
views
How does one node connect to other nodes
I am wondering how does one client connect to whole blockchain system if there is no centralized node which connecting other nodes together?
So for example if I want to create my own decentralized ...
- 123
1
vote
0
answers
566
views
How to install correctly this PiWallet Script in Ubuntu?
Good evening everyone.
I'm trying to set up the piWallet wallet (https://github.com/johnathanmartin/piWallet) on Linux.
I was able to successfully install the "Bitcoind Server" (which works very ...
3
votes
1
answer
316
views
Does having a pruned node reduce its network score?
My node's network score (revealed by getnetworkinfo) is very low (<75). Most of the time there are no peers with incoming connections connected to the node. Is this because I'm running a pruned ...
- 4,449
3
votes
2
answers
2k
views
Is 8 the maximum number of incoming peer connections?
The reference here for running the bitcoin daemon does not really clarify what maxconnections mean.
maxconnections= Maintain at most connections to peers (default: 125)
Is this the max connection ...
- 349
0
votes
0
answers
92
views
src/net.cpp | What does "nUnkBias" define/mean
net.cpp for example:
// use an nUnkBias between 10 (no outgoing connections) and 90 (8 outgoing connections)
CAddress addr = addrman.Select(10 + min(nOutbound,8)*10);
What does this line ...
- 664
7
votes
1
answer
3k
views
Is there a connections limit on bitcoind?
I don't know if it is a lot or a few, but I see this number of connections:
bitcoin-cli getnetworkinfo | grep connections
"connections": 66,
It does not seem to get over 70, is there an in-built ...
- 495