tcpdmatch man page on OpenDarwin

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TCPDMATCH(8)							  TCPDMATCH(8)

NAME
       tcpdmatch - tcp wrapper oracle

SYNOPSIS
       tcpdmatch [-d] [-i inet_conf] daemon client

       tcpdmatch [-d] [-i inet_conf] daemon[@server] [user@]client

DESCRIPTION
       tcpdmatch  predicts how the tcp wrapper would handle a specific request
       for service.  Examples are given below.

       The  program  examines  the  tcpd  access   control   tables   (default
       /etc/hosts.allow	 and  /etc/hosts.deny) and prints its conclusion.  For
       maximal accuracy, it extracts additional information from your inetd or
       tlid network configuration file.

       When  tcpdmatch	finds a match in the access control tables, it identi‐
       fies the matched rule. In addition, it displays the optional shell com‐
       mands  or  options in a pretty-printed format; this makes it easier for
       you to spot any discrepancies between what you want and what  the  pro‐
       gram understands.

ARGUMENTS
       The following two arguments are always required:

       daemon A daemon process name. Typically, the last component of a daemon
	      executable pathname.

       client A host name or network address,  or  one	of  the	 `unknown'  or
	      `paranoid' wildcard patterns.

	      When  a client host name is specified, tcpdmatch gives a predic‐
	      tion for each address listed for that client.

	      When a client address is specified, tcpdmatch predicts what tcpd
	      would do when client name lookup fails.

       Optional information specified with the daemon@server form:

       server A	 host  name  or	 network  address,  or one of the `unknown' or
	      `paranoid'  wildcard  patterns.  The  default  server  name   is
	      `unknown'.

       Optional information specified with the user@client form:

       user   A	 client	 user identifier. Typically, a login name or a numeric
	      userid.  The default user name is `unknown'.

OPTIONS
       -d     Examine hosts.allow and hosts.deny files in the  current	direc‐
	      tory instead of the default ones.

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

EXAMPLES
       To  predict  how tcpd would handle a telnet request from the local sys‐
       tem:

	    tcpdmatch in.telnetd localhost

       The same request, pretending that hostname lookup failed:

	    tcpdmatch in.telnetd 127.0.0.1

       To predict what tcpd would do when the client name does not  match  the
       client address:

	    tcpdmatch in.telnetd paranoid

       On  some	 systems,  daemon names have no `in.' prefix, or tcpdmatch may
       need some help to locate the inetd configuration file.

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

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

SEE ALSO
       tcpdchk(8), tcpd configuration checker
       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

								  TCPDMATCH(8)
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