>How is this used to connect to an arbitrary destination on the Internet?
This is probably nginx implementation specific, but one can configure a stream
proxy as follows:
stream {
server {
listen 10.200.200.1:12345 proxy_protocol;
proxy_bind [$proxy_protocol_addr];
proxy_pass [$proxy_protocol_server_addr]:$proxy_protocol_server_port;
proxy_protocol off;
}
}
Which essentially takes any TCP6 local client address and connects to any
server address, both part of the proxy protocol string/header, and both can be
":ffff:<ipv4>", which eliminates the need to create two listeners using
different syntax. Obviously one doesn´t want the proxy to be available to the
public, but 10.200.200.1 is within my VPN only (which is IPv4 only).
Joachim
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