hosts.nntp, hosts.nntp.nolimit - list of hosts that feed NNTP news
The file <config$_PATH_INNDHOSTS> (typically /var/news/etc/hosts.nntp) is
read by innd(8) to get the list of hosts that feed the local site Usenet
news using the NNTP protocol. The server reads this file at start-up or
when directed to by ctlinnd(8) . When a host connects to the NNTP port of
the system on which innd is running, the server will do a check to see if
their Internet address is the same as one of the hosts named in this
file. If the host is not mentioned, then innd will spawn an nnrpd(8) to
process the connection, with the accepted connection on standard input
and standard output.
Comments begin with a number sign (``#'') and continue through the end of
the line. Blank lines and comments also ignored. All other lines should
consist of two or three fields separated by a colon.
The first field should be either an Internet address in dotted-quad
format or an address that can be parsed by gethostbyname(3). If a host's
entry has multiple addresses, all of them will be added to the access
list. The second field, which may be blank, is the password the foreign
host is required to use when first connecting. The third field, which
may be omitted, is a list of newsgroups to which the host may send
articles. This list is parsed as a newsfeeds(5) subscription list;
groups not in the list are ignored.
## FOO has a password, UUNET and VIX dont.
## UUNET cannot post to local groups.
## These are comment lines.
The first field may be suffixed by ``/s'' to indicate that streaming
commands are specifically permitted to be used by this host. By default
streaming commands are available to all hosts. If any entry in hosts.nntp
has a ``/s'' suffix, then only those hosts with the ``/s'' suffix will be
permitted to use streaming commands.
For example, with the following hosts.nntp file, only the host
data.ramona.vix.com is allowed to use the streaming commands.
## As above, but
Since innd is usually started at system boot time, the local nameserver
may not be fully operational when innd parses this file. As a work-
around, a ctlinnd ``reload'' command can be performed after a delay of an
hour or so. It is also possible to provide both a host's name and its
dotted-quad address in the file.
If the file contains passwords, it should not be world-readable. The
file <config$_PATH_INNDHOSTS>.nolimit, (typically
/var/news/etc/hosts.nntp.nolimit), if it exists is read whenever the
``hosts.nntp'' file is read. It has the same format, although only the
first field is used. Any host mentioned in this file is not subject to
the incoming connections limit specified by innd's ``-i'' flag. This can
be used to allow local hosts or time-sensitive peers, to connect
regardless of the local conditions.
Written by Rich $alz <firstname.lastname@example.org> for InterNetNews. This is
revision 1.22, dated 1996/11/27.
ctlinnd(8) , innd(8) , nnrpd(8) .
You can find a summary and links related to this topic
as part of the Mib Software Usenet RKT.