Bitcoin Core RPC qvm-connect-tcp not working?

[keyandthegate]

Hi, I'm following the instructions here: https://github.com/qubenix/qubes-whonix-bitcoin/blob/master/1_joinmarket.md

After I run "qvm-connect-tcp 8332:bitcoind:8332" in the joinmarket vm

"telnet localhost 8332" works from bitcoind vm, but does not work from the joinmarket vm, where it says "Connection closed by foreign host."

I tried adding this to my bitcoin config:
rpcbind=127.0.0.1
rpcallowip=0.0.0.0/0
rpcbind=bitcoind

and then running "sudo systemctl restart bitcoind"
after reading:
https://bitcoin.stackexchange.com/questions/87943/unable-to-bind-any-endpoint-for-rpc-server

but it didn't help

Is there anywhere I can find a working example of using qvm-connect-tcp to connect to bitcoin core RPC server from another vm?

[keyandthegate]

I tried in a fresh vm:

user@my-new-qube:~$ qvm-connect-tcp 8332:bitcoind:8332
Binding TCP 'bitcoind:8332' to 'localhost:8332'...
user@my-new-qube:~$ telnet localhost 8332
Trying ::1...
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Request refused
2021/06/09 17:50:53 socat[992] E waitpid(): child 993 exited with status 126

Connection closed by foreign host.

How would bitcoin core even know that I'm connecting from a different VM, if it should also be as if from localhost?

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[keyandthegate]

Wait, apparently I can't even "netcat -l 5000" and "telnet localhost 5000" in the same debian vm? Even if I clear the iptables and set the default policies to accept? Clearly I don't understand Qubes networking.

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