10-04-2004
it seems your unixware is configure with tcpwrapper check /etc/hosts.allow and /etc/hosts.deny for any rule to confirm if this is the case.
if this is the case you may want to edit /etc/hosts.allow with and put this entry
telnetd: conecting_ip_address
Note
connecting_ip_address is your ipaddress you connectiong from.
if the above did not solve your problem you might want to use
hosts file before DNS resolution. just put an entry in your hosts file so that it uses your hosts file to do resolution.
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HOSTS(5) BSD File Formats Manual HOSTS(5)
NAME
hosts -- host name data base
DESCRIPTION
The hosts file contains information regarding the known hosts on the network. For each host a single line should be present with the follow-
ing information:
Internet address
Official host name
Aliases
Items are separated by any number of blanks and/or tab characters. A ``#'' indicates the beginning of a comment; characters up to the end of
the line are not interpreted by routines which search the file.
Network addresses may either be specified for IP version 4 or version 6. IP version 4 addresses are specified in the conventional dotted
address notation. IP version 6 addresses are specified using the colon-separated notation described in RFC1924.
Host names may contain any printable character other than a field delimiter, newline, or comment character.
The hosts file is read by mDNSResponder(8) and used to supply results for calls to getaddrinfo(3), getnameinfo(3), etc. in addition to
results obtained from multicast and unicast DNS.
FILES
/etc/hosts
SEE ALSO
gethostent(3), getipnodebyname(3), getaddrinfo(3), getnameinfo(3)
RFC1924: A Compact Representation of IPv6 Addresses.
HISTORY
The hosts file format appeared in 4.2BSD.
4.2 Berkeley Distribution December 11, 1993 4.2 Berkeley Distribution