Subject: standards/7757: Hostnames with '_' are invalid
To: None <>
From: Peter Seebach <>
List: netbsd-bugs
Date: 06/10/1999 20:50:52
>Number:         7757
>Category:       standards
>Synopsis:       We are not rejecting lookups for hosts with '_' in their names
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    standards-manager (NetBSD Standards Conformance bug manager)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jun 10 20:50:00 1999
>Originator:     Peter Seebach
>Release:        1.4 BETA
System: NetBSD 1.4_BETA NetBSD 1.4_BETA (CHEST) #2: Wed Apr 28 19:00:25 CDT 1999 i386

	Host names may not contain '_'.  However, we will resolve them;
	a case in point is ''.  This is a Bad Thing,
	because it encourages people to use incompatible host names.
	Do nslookups on hosts with invalid names.
	The resolver should reject such hostnames, rather than looking them