tcpdchk man page on BSDOS

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TCPDCHK(8)					       TCPDCHK(8)

NAME
       tcpdchk - tcp wrapper configuration checker

SYNOPSYS
       tcpdchk [-a] [-d] [-i inet_conf] [-v]

DESCRIPTION
       tcpdchk	 examines  your	 tcp  wrapper  configuration  and
       reports all potential and real problems it can  find.  The
       program	 examines  the	tcpd  access  control  files  (by
       default, these are /etc/hosts.allow and	/etc/hosts.deny),
       and compares the entries in these files against entries in
       the inetd or tlid network configuration files.

       tcpdchk reports problems such as	 non-existent  pathnames;
       services that appear in tcpd access control rules, but are
       not controlled  by  tcpd;  services  that  should  not  be
       wrapped;	 non-existent  host names or non-internet address
       forms; occurrences of host  aliases  instead  of	 official
       host  names;  hosts with a name/address conflict; inappro-
       priate use of wildcard patterns; inappropriate use of  NIS
       netgroups  or  references  to  non-existent NIS netgroups;
       references to non-existent options; invalid  arguments  to
       options; and so on.

       Where  possible,	 tcpdchk provides a helpful suggestion to
       fix the problem.

OPTIONS
       -a     Report access  control  rules  that  permit  access
	      without  an  explicit  ALLOW  keyword. This applies
	      only when the extended access control  language  is
	      enabled (build with -DPROCESS_OPTIONS).

       -d     Examine  hosts.allow  and	 hosts.deny  files in the
	      current directory instead of the default ones.

       -i inet_conf
	      Specify this option when tcpdchk is unable to  find
	      your  inetd.conf or tlid.conf network configuration
	      file, or when you suspect that the program uses the
	      wrong one.

       -v     Display  the  contents of each access control rule.
	      Daemon lists,  client  lists,  shell  commands  and
	      options  are shown in a pretty-printed format; this
	      makes it easier for you to spot  any  discrepancies
	      between  what  you want and what the program under-
	      stands.

FILES
       The default locations of the tcpd  access  control  tables
       are:

								1

TCPDCHK(8)					       TCPDCHK(8)

       /etc/hosts.allow
       /etc/hosts.deny

SEE ALSO
       tcpdmatch(8), explain what tcpd would do in specific cases.
       hosts_access(5), format of the tcpd access control tables.
       hosts_options(5), format of the language extensions.
       inetd.conf(5), format of the inetd control file.
       tlid.conf(5), format of the tlid control file.

AUTHORS
       Wietse Venema (wietse@wzv.win.tue.nl),
       Department of Mathematics and Computing Science,
       Eindhoven University of Technology
       Den Dolech 2, P.O. Box 513,
       5600 MB Eindhoven, The Netherlands

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