Re: [tkined] An error on something I don't see a problem with?

Juergen Schoenwaelder (schoenw@ibr.cs.tu-bs.de)
Fri, 1 May 1998 18:29:23 +0200

>>>>> Robert Seeger writes:

Robert> In running one of my scripts, I'm getting the following error:

>> illegal IP address or name "Net136_32.cfs.slk"

Robert> while trying to perform an snmp operation (not sure if it's a
Robert> get or set). Does anyone know why this DNS resolvable name is
Robert> causing a problem? I can ping the specified address just fine
Robert> from the command line, so I know it's valid. . . leaving me a
Robert> little confused.

The string "Net136_32.cfs.slk" is not a valid host name. RFC 952 and
RFC 1123 define the character restrictions for host names. Scotty
checks those restrictions and refuses to resolve any names that don't
follow the rules. (There have been security problems due to host names
with fancy characters causing software to do bad things.) The solution
is simple: change your host names to conform to RFC 952 and RFC 1123.

Juergen

Juergen Schoenwaelder schoenw@ibr.cs.tu-bs.de http://www.cs.tu-bs.de/~schoenw
Technical University Braunschweig, Dept. Operating Systems & Computer Networks
Bueltenweg 74/75, 38106 Braunschweig, Germany. (Tel. +49 531 / 391 3283)

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