---
name: "htc"
section: "1"
platform: "linux"
package: "httptunnel"
version: "3.3-9"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/htc"
---

# htc(1)

httptunnel client

## NAME

htc - httptunnel client

## SYNOPSIS

**htc** *\[options\] host\[:port\]*

## DESCRIPTION

This manual page briefly documents the **htc** command.

**htc** sets up a httptunnel connection to PORT at HOST (default port is 8888). When a connection is made, I/O is redirected from the source specified by the --device or --forward-port switch to the tunnel.

## OPTIONS

The program follows the usual GNU command line syntax, with long options starting with two dashes (\`-'). A summary of options are included below.

- **-h, --help**

  Show summary of options.

- **-c, --content-length BYTES**

  use HTTP PUT requests of BYTES size (k, M, and G postfixes recognized)

- **-d, --device DEVICE**

  use DEVICE for input and output

- **-F, --forward-port PORT**

  use TCP port PORT for input and output

- **-k, --keep-alive SECONDS**

  send keepalive bytes every SECONDS seconds (default is 5)

- **-M, --max-connection-age SEC**

  maximum time a connection will stay open is SEC seconds (default is 300)

- **-S, --strict-content-length**

  always write Content-Length bytes in requests

- **-A, --proxy-authorization USER:PASSWORD**

  proxy authorization

- **--proxy-authorization-file FILE**

  proxy authorization file

- **-B, --proxy-buffer-size BYTES**

  assume a proxy buffer size of BYTES bytes (k, M, and G postfixes recognized)

- **-P, --proxy HOSTNAME\[:PORT\]**

  use a HTTP proxy (default port is 8080)

- **-T, --timeout TIME**

  timeout, in milliseconds, before sending padding to a buffering proxy

- **-U, --user-agent STRING**

  specify User-Agent value in HTTP requests

- **-V, --version**

  output version information and exit

## AUTHOR

This manual page was contributed by Teemu Hukkanen \<tjhukkan@iki.fi\>, and was originally written for the Debian GNU/Linux system.