827a1893_V5_9_Management_Guide_ch25_htm__Value
[Keyword] DenyForwardingTo [Description] Can be followed by any number of hostname and port number patterns, separated by spaces. A port number pattern is separated from a hostname by a colon. Forwardings from the client are disallowed to those hosts and port pairs whose name and port number match one of the patterns. You can use * and ? as wildcards in the patterns for host names. Normal name servers are used to map the clients host into a fully-qualified host name. If the name cannot be mapped, its IP address is used as a host name. You can use * as a wildcard entry for all ports. You can use these formats >x,  [Value] 
Host/port list
TCPware V5.9 Management Guide ch25.htm
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