The only time when a client sends a "getaddr" message is when he esatblishes an Outbound connection (see ProcessMessage() in src/main.cpp). Another bitcoin client is expected to receive a "getaddr" message only on Inbound connection. Ignoring "gettaddr" requests on Outbound connections can resolve potential privacy issues (and as was said such request normally do not.
Bitcoin by default will not make more than 8 outgoing connections, and -maxconnections only controls how many incoming connections you allow. Feel free to set this higher, but it will take time before others connect to you in large numbers. Please don’t change this, as there is no need.
These changes implement countermeasures 3 (feeler connections) suggested in our paper: "Eclipse Attacks on Bitcoin’s Peer-to-Peer Network". Design: We observe that a node’s resistance to eclipse attacks grows as the number of online addresses in the tried table grows. To increase the number of online addresses in the tried table the following logic is implemented in net.cpp’s.
If you want more than 8 total connections you need to be able to accept connections from peers outside your router’s LAN. That means having your router forward connection attempts to you. You can bypass the hardcoded limit of 8 outbound connections by editing net.h , here, though I wouldn’t recommend it for the health of the network.
(Note: you will still need to configure inbound connections as described later in the Network Configuration section.) Opening outgoing firewall for Bitcoin Core.
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24/11/2016 · On November 24, 2016 4:57:59 AM PST, jeong760 ***@***.***> wrote: Dears, I am operation my own private BTC mining pool so I want ask you following in order to increase it. How I can increased a outbound connection on Bitcoin-QT 0.13.1? Because It was fixed as only 8 of outbound connection.
6 Jun 2016.
3 Myth: There is no incentive to run nodes so the network relies on altruism.
Problem is, not all nodes actually have open ports that can be probed.
All these checks done by full nodes also increase the security. There are.
20 Sep 2017.
into improving the Bitcoin network, as well as the ecosys- tem.
NAT's) that do not allow inbound connection access the net- work, send.
7 aug 2019.
/load-balancer/troubleshoot-outbound-connection.md).If you are experiencing issue with outbound connectivity through an Azure Load.
maxconnections applies to inbound peer connections and should increase your node’s connection count. Either you have a typo in your bitcoin.conf file or there is a firewall/routing issue that prevents inbound peers from connecting. If you get no answer here, try posting a question at the Bitcoin StackExchange linked above.