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##### 6.2.1.3 Common Variables

The following variables affect the behavior of all, or several of the pre-made connection functions. When not specified, all functions are affected (the values of the following variables will be used as the default if each virtual `nntp` server doesn't specify those server variables individually).

`nntp-pre-command`
  A command wrapper to use when connecting through a non native connection function (all except `nntp-open-network-stream`, `nntp-open-tls-stream`, and `nntp-open-ssl-stream`). This is where you would put a ‘`SOCKS`’ wrapper for instance.
`nntp-address`
  The address of the NNTP server.
`nntp-port-number`
  Port number to connect to the NNTP server. The default is ‘`nntp`’. If you use NNTP over TLS/SSL, you may want to use integer ports rather than named ports (i.e, use ‘`563`’ instead of ‘`snews`’ or ‘`nntps`’), because external TLS/SSL tools may not work with named ports.
`nntp-end-of-line`
  String to use as end-of-line marker when talking to the NNTP server. This is ‘`\r\n`’ by default, but should be ‘`\n`’ when using a non native telnet connection function.
`nntp-netcat-command`
  Command to use when connecting to the NNTP server through ‘`netcat`’. This is not for an intermediate host. This is just for the real NNTP server. The default is ‘`nc`’.
`nntp-netcat-switches`
  A list of switches to pass to `nntp-netcat-command`. The default is ‘`()`’.