Use wildcard IP for UDP backend local address.

jglogan · jglogan · commit 11c4c9a31a40 · 2025-07-18T23:27:19.000-07:00
diff --git a/Sources/SocketForwarder/UDPForwarder.swift b/Sources/SocketForwarder/UDPForwarder.swift
@@ -145,7 +145,7 @@ private final class UDPProxyFrontend: ChannelInboundHandler, Sendable {
                         frontendChannel: context.channel,
                         log: log
                     )
-                    let proxyAddress = try SocketAddress(ipAddress: "127.0.0.1", port: 0)
+                    let proxyAddress = try SocketAddress(ipAddress: "0.0.0.0", port: 0)
                     let proxyToServerFuture = DatagramBootstrap(group: self.eventLoopGroup)
                         .channelInitializer {
                             self.log?.trace("frontend - initializing backend")

Original file line number	Diff line number	Diff line change
`@@ -145,7 +145,7 @@ private final class UDPProxyFrontend: ChannelInboundHandler, Sendable {`
`145`	`145`	`frontendChannel: context.channel,`
`146`	`146`	`log: log`
`147`	`147`	`)`
`148`		`- let proxyAddress = try SocketAddress(ipAddress: "127.0.0.1", port: 0)`
	`148`	`+ let proxyAddress = try SocketAddress(ipAddress: "0.0.0.0", port: 0)`
`149`	`149`	`let proxyToServerFuture = DatagramBootstrap(group: self.eventLoopGroup)`
`150`	`150`	`.channelInitializer {`
`151`	`151`	`self.log?.trace("frontend - initializing backend")`