diff --git a/Cargo.lock b/Cargo.lock
index 0968f55..db62d16 100644
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-[[package]]
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-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
-
-[[package]]
-name = "pin-project"
-version = "0.4.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ffbc8e94b38ea3d2d8ba92aea2983b503cd75d0888d75b86bb37970b5698e15"
-dependencies = [
- "pin-project-internal",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "0.4.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "windows-sys",
 ]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.1.11"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
+checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
 
 [[package]]
 name = "pin-utils"
@@ -549,64 +240,44 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.9"
+version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c36fa947111f5c62a733b652544dd0016a43ce89619538a8ef92724a6f501a20"
-
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99c605b9a0adc77b7211c6b1f722dcb613d68d66859a44f3d485a6da332b0598"
-
-[[package]]
-name = "proc-macro-nested"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eba180dafb9038b050a4c280019bbedf9f2467b61e5d892dcad585bb57aadc5a"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.24"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
+checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
 dependencies = [
- "unicode-xid",
+ "unicode-ident",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
-version = "1.0.7"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
 dependencies = [
  "proc-macro2",
 ]
 
 [[package]]
 name = "rand"
-version = "0.7.3"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "getrandom",
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.2"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -614,44 +285,22 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.5.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
-dependencies = [
- "rand_core",
-]
-
 [[package]]
 name = "redox_syscall"
-version = "0.1.57"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
-
-[[package]]
-name = "resolv-conf"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11834e137f3b14e309437a8276714eed3a80d1ef894869e510f2c0c0b98b9f4a"
+checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
 dependencies = [
- "hostname",
- "quick-error",
+ "bitflags",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -660,37 +309,35 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "slab"
-version = "0.4.2"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
+checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32"
 
 [[package]]
 name = "smallvec"
-version = "1.4.2"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
+checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
 
 [[package]]
 name = "socket2"
-version = "0.3.15"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1fa70dc5c8104ec096f4fe7ede7a221d35ae13dcd19ba1ad9a81d2cab9a1c44"
+checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
 dependencies = [
- "cfg-if 0.1.10",
  "libc",
- "redox_syscall",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
 name = "syn"
-version = "1.0.46"
+version = "1.0.98"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ad5de3220ea04da322618ded2c42233d02baca219d6f160a3e9c87cda16c942"
+checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
 dependencies = [
  "proc-macro2",
  "quote",
- "unicode-xid",
+ "unicode-ident",
 ]
 
 [[package]]
@@ -700,74 +347,33 @@ dependencies = [
  "futures",
  "getopts",
  "rand",
- "tokio 0.3.1",
- "trust-dns-resolver",
-]
-
-[[package]]
-name = "thiserror"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "tinyvec"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "238ce071d267c5710f9d31451efec16c5ee22de34df17cc05e56cbc92e967117"
-
-[[package]]
-name = "tokio"
-version = "0.2.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
-dependencies = [
- "bytes 0.5.6",
- "iovec",
- "lazy_static",
- "mio 0.6.22",
- "pin-project-lite",
- "slab",
+ "tokio",
 ]
 
 [[package]]
 name = "tokio"
-version = "0.3.1"
+version = "1.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1911a203c5c240fd237e23a42e48846475f3d3b1e1dad3f17e6cc17a775b707c"
+checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
 dependencies = [
- "bytes 0.6.0",
- "futures-core",
- "lazy_static",
+ "bytes",
  "libc",
  "memchr",
- "mio 0.7.4",
+ "mio",
  "num_cpus",
+ "once_cell",
  "parking_lot",
  "pin-project-lite",
- "slab",
+ "socket2",
  "tokio-macros",
+ "winapi",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "0.3.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d48caa7b66c7a6ec943edf78d21a594fbeb24e536c781da67d5c32edec54103f"
+checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -775,109 +381,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "trust-dns-proto"
-version = "0.19.5"
+name = "unicode-ident"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdd7061ba6f4d4d9721afedffbfd403f20f39a4301fee1b70d6fcd09cca69f28"
-dependencies = [
- "async-trait",
- "backtrace",
- "enum-as-inner",
- "futures",
- "idna",
- "lazy_static",
- "log",
- "rand",
- "smallvec",
- "thiserror",
- "tokio 0.2.22",
- "url",
-]
-
-[[package]]
-name = "trust-dns-resolver"
-version = "0.19.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f23cdfdc3d8300b3c50c9e84302d3bd6d860fb9529af84ace6cf9665f181b77"
-dependencies = [
- "backtrace",
- "cfg-if 0.1.10",
- "futures",
- "ipconfig",
- "lazy_static",
- "log",
- "lru-cache",
- "resolv-conf",
- "smallvec",
- "thiserror",
- "tokio 0.2.22",
- "trust-dns-proto",
-]
-
-[[package]]
-name = "unicode-bidi"
-version = "0.3.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
-dependencies = [
- "matches",
-]
-
-[[package]]
-name = "unicode-normalization"
-version = "0.1.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fb19cf769fa8c6a80a162df694621ebeb4dafb606470b2b2fce0be40a98a977"
-dependencies = [
- "tinyvec",
-]
-
-[[package]]
-name = "unicode-segmentation"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
+checksum = "5bd2fe26506023ed7b5e1e315add59d6f584c621d037f9368fea9cfb988f368c"
 
 [[package]]
 name = "unicode-width"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
-
-[[package]]
-name = "unicode-xid"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-
-[[package]]
-name = "url"
-version = "2.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
-dependencies = [
- "idna",
- "matches",
- "percent-encoding",
-]
+checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "widestring"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c168940144dd21fd8046987c16a46a33d5fc84eec29ef9dcddc2ac9e31526b7c"
-
-[[package]]
-name = "winapi"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "winapi"
@@ -889,12 +408,6 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu",
 ]
 
-[[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -908,20 +421,44 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
-name = "winreg"
-version = "0.6.2"
+name = "windows-sys"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
+checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
- "winapi 0.3.9",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_msvc",
 ]
 
 [[package]]
-name = "ws2_32-sys"
-version = "0.2.1"
+name = "windows_aarch64_msvc"
+version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
+checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
diff --git a/Cargo.toml b/Cargo.toml
index e792c6c..275edb4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,8 +12,8 @@ license = "MIT"
 edition = "2018"
 
 [dependencies]
-futures = "0.3.6"
+futures = "0.3.21"
 getopts = "0.2.21"
-rand = "0.7.3"
-tokio = { version = "0.3.1", features = [ "io-util", "net", "rt-multi-thread", "parking_lot", "stream", "macros", ] }
-trust-dns-resolver = "0.19.5"
+rand = "0.8.5"
+tokio = { version = "1.19.2", features = [ "io-util", "net", "rt-multi-thread", "parking_lot", "macros", ] }
+# trust-dns-resolver = "0.19.5"
diff --git a/src/main.rs b/src/main.rs
index 8a3100c..3636bf2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,7 @@ static DEBUG: AtomicBool = AtomicBool::new(false);
 fn print_usage(program: &str, opts: Options) {
     let program_path = std::path::PathBuf::from(program);
     let program_name = program_path.file_stem().unwrap().to_string_lossy();
-    let brief = format!("Usage: {} [-b BIND_ADDR] -h REMOTE_HOST -r REMOTE_PORT [-l LOCAL_PORT]",
+    let brief = format!("Usage: {} REMOTE_HOST:PORT [-b BIND_ADDR] [-l LOCAL_PORT]",
                         program_name);
     print!("{}", opts.usage(&brief));
 }
@@ -21,14 +21,6 @@ async fn main() -> Result<(), BoxedError> {
     let program = args[0].clone();
 
     let mut opts = Options::new();
-    opts.reqopt("h",
-                "remote-host",
-                "The remote host (ip or host name) to which packets will be forwarded",
-                "REMOTE_HOST");
-    opts.reqopt("r",
-                "remote-port",
-                "The remote port to which TCP packets should be forwarded",
-                "REMOTE_PORT");
     opts.optopt("b",
                 "bind",
                 "The address on which to listen for incoming requests, defaulting to localhost",
@@ -47,23 +39,34 @@ async fn main() -> Result<(), BoxedError> {
             std::process::exit(-1);
         }
     };
+    let remote = match matches.free.len() {
+        1 => matches.free[0].as_str(),
+        _ => {
+            print_usage(&program, opts);
+            std::process::exit(-1);
+        },
+    };
+
+    if !remote.contains(':') {
+        eprintln!("A remote port is required (REMOTE_ADDR:PORT)");
+        std::process::exit(-1);
+    }
 
     DEBUG.store(matches.opt_present("d"), Ordering::Relaxed);
     // let local_port: i32 = matches.opt_str("l").unwrap_or("0".to_string()).parse()?;
     let local_port: i32 = matches.opt_str("l").map(|s| s.parse()).unwrap_or(Ok(0))?;
-    let remote_port: i32 = matches.opt_str("r").unwrap().parse()?;
-    let remote_host = matches.opt_str("h").unwrap();
     let bind_addr = match matches.opt_str("b") {
         Some(addr) => addr,
         None => "127.0.0.1".to_owned(),
     };
 
-    forward(&bind_addr, local_port, &remote_host, remote_port).await
+    forward(&bind_addr, local_port, remote).await
 }
 
-async fn forward(bind_ip: &str, local_port: i32, remote_host: &str, remote_port: i32) -> Result<(), BoxedError> {
+async fn forward(bind_ip: &str, local_port: i32, remote: &str) -> Result<(), BoxedError> {
     // Listen on the specified IP and port
-    let bind_addr = if bind_ip.contains(':') {
+    let bind_addr = if !bind_ip.starts_with('[') && bind_ip.contains(':') {
+        // Correctly format for IPv6 usage
         format!("[{}]:{}", bind_ip, local_port)
     } else {
         format!("{}:{}", bind_ip, local_port)
@@ -74,39 +77,23 @@ async fn forward(bind_ip: &str, local_port: i32, remote_host: &str, remote_port:
 
     // We have either been provided an IP address or a host name.
     // Instead of trying to check its format, just trying creating a SocketAddr from it.
-    let parse_result = format!("{}:{}", remote_host, remote_port).parse::<std::net::SocketAddr>();
-    let remote_addr = match parse_result {
-        Ok(s) => s,
-        Err(_) => {
-            // It's a hostname; we're going to need to resolve it.
-            // Create an async dns resolver
-
-            use trust_dns_resolver::TokioAsyncResolver;
-            use trust_dns_resolver::config::*;
-
-            let resolver = TokioAsyncResolver::tokio(
-                ResolverConfig::default(),
-                ResolverOpts::default())
-            .await.expect("Failed to create DNS resolver");
-
-            let resolutions = resolver.lookup_ip(remote_host).await.expect("Failed to resolve server IP address!");
-            let remote_addr = resolutions.iter().nth(1).expect("Failed to resolve server IP address!");
-            println!("Resolved {} to {}", remote_host, remote_addr);
-            format!("{}:{}", remote_addr, remote_port).parse()?
-        },
-    };
+    // let parse_result = remote.parse::<SocketAddr>();
+    let remote = std::sync::Arc::new(remote.to_string());
 
     loop {
+        let remote = remote.clone();
         let (mut client, client_addr) = listener.accept().await?;
 
         tokio::spawn(async move {
                 println!("New connection from {}", client_addr);
 
                 // Establish connection to upstream for each incoming client connection
-                let mut remote = TcpStream::connect(&remote_addr).await?;
+                let mut remote = TcpStream::connect(remote.as_str()).await?;
                 let (mut client_recv, mut client_send) = client.split();
                 let (mut remote_recv, mut remote_send) = remote.split();
 
+                // This version of the join! macro does not require that the futures are fused and
+                // pinned prior to passing to join.
                 let (remote_bytes_copied, client_bytes_copied) = join!(
                     tokio::io::copy(&mut remote_recv, &mut client_send),
                     tokio::io::copy(&mut client_recv, &mut remote_send),