ytdl-org/youtube-dl · error · Socks5Error

general SOCKS server failure

Error message

general SOCKS server failure

What it means

Error "general SOCKS server failure" thrown in ytdl-org/youtube-dl.

Source

Thrown at youtube_dl/socks.py:214

        if method == Socks5Auth.AUTH_NO_ACCEPTABLE or (
                method == Socks5Auth.AUTH_USER_PASS and (not self._proxy.username or not self._proxy.password)):
            self.close()
            raise Socks5Error(Socks5Auth.AUTH_NO_ACCEPTABLE)

        if method == Socks5Auth.AUTH_USER_PASS:
            username = self._proxy.username.encode('utf-8')
            password = self._proxy.password.encode('utf-8')
            packet = compat_struct_pack('!B', SOCKS5_USER_AUTH_VERSION)
            packet += self._len_and_data(username) + self._len_and_data(password)
            self.sendall(packet)

            version, status = self._recv_bytes(2)

            self._check_response_version(SOCKS5_USER_AUTH_VERSION, version)

            if status != SOCKS5_USER_AUTH_SUCCESS:
                self.close()
                raise Socks5Error(Socks5Error.ERR_GENERAL_FAILURE)

    def _setup_socks5(self, address):
        destaddr, port = address

        ipaddr = self._resolve_address(destaddr, None, use_remote_dns=True)

        self._socks5_auth()

        reserved = 0
        packet = compat_struct_pack('!BBB', SOCKS5_VERSION, Socks5Command.CMD_CONNECT, reserved)
        if ipaddr is None:
            destaddr = destaddr.encode('utf-8')
            packet += compat_struct_pack('!B', Socks5AddressType.ATYP_DOMAINNAME)
            packet += self._len_and_data(destaddr)
        else:
            packet += compat_struct_pack('!B', Socks5AddressType.ATYP_IPV4) + ipaddr
        packet += compat_struct_pack('!H', port)

View on GitHub (pinned to 956b8c5855)

Solutions

  1. Check the SOCKS proxy server status and credentials; try another proxy.

When it happens

Trigger: Thrown at youtube_dl/socks.py:214 when the library encounters an invalid state.

Common situations: See trigger scenarios.


AI-assisted analysis of ytdl-org/youtube-dl@956b8c5855 (2026-08-14). Data as JSON: /api/errors/35e22972eecbef0c. Report an issue: GitHub.