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TCPDMATCH !!!TCPDMATCH NAME SYNOPSYS DESCRIPTION ARGUMENTS OPTIONS EXAMPLES FILES SEE ALSO AUTHORS ---- !!NAME tcpdmatch - tcp wrapper oracle !!SYNOPSYS 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 identifies the matched rule. In addition, it displays the optional shell commands or options in a pretty-printed format; this makes it easier for you to spot any discrepancies between what you want and what the program 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 prediction 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 directory 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 system: 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 ----
3 pages link to
tcpdmatch(8)
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Man8t
hosts_access(5)
tcpdchk(8)
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