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|Lecture Notes||Inetd||Recommended Books||Recommended Links||The TCP Wrappers configuration language|
The tcpdmatch utility enables you to test specific examples against your configuration files. Again, tcpdmatch enables you to test against a hosts.allow file in your current directory by specifying the -d option. It also recognizes the -i/path/to/inetd.conf if tcpdmatch has trouble finding it.
tcpdmatch [-d] [-i inet_conf] daemon[@server] [user@client]
The program examines the tcpd access control tables (default /etc/inet/hosts.allow and /etc/inet/hosts.deny) and prints its conclusion. For maximum accuracy, it extracts additional information from your inetd 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.The following two arguments are always required:
The optionally specified server may be a host name or network address, or one of the unknown or paranoid wildcard patterns. The default server name is `unknown'.
The optionally specified user is a client user identifier, typically, a login name or a numeric userid. The default user name is unknown.
When a client address is specified, tcpdmatch predicts what tcpd would do when client name lookup fails.
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
tcpdmatch command availability
Authen-Tcpdmatch - search.cpan.orgAuthen::Tcpdmatch, Perl extension for parsing hosts.allow and hosts.deny.
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