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INN FAQ Part 5

NOTE: The maintainers of the INN FAQ stopped publishing in December 1997.
An important update to this topic is provided by Mib Software in the Usenet RKT for Subscribers.

Subject: (5.14) syslog: nnrpd[22560]: ? cant gethostbyaddr Permission denied

When someone connects to nnrpd, nnrpd does a reverse lookup on the
clients IP address so it can look up the hostname in nnrpd.access. If
the client's DNS information is incorrect, you will get this error.
Make sure your SOA record is correct, as well as your in-addr.arpa

Derek <ddl@clipper.ssb.com> adds that another cause for this problem,
at least under SunOS 4.1.x, is that nnrpd wasn't linked with the proper
resolver library (statically or dynamically). Even when you've
replaced Sun's fershlugger libresolv.a you've still gotta remind
yourself to _use_ it properly.


[Source: INN FAQ Part 5 Archive-name: usenet/software/inn-faq/part5]
[Last Changed: $Date: 1997/09/16 01:25:56 $ $Revision: 2.25 $]
[Copyright: 1997 Heiko Rupp, portions by Tom Limoncelli, Rich Salz, et al.]