[Bug network/19569] New: Increase the number of DNS search domains

["fweimer at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=19569

            Bug ID: 19569
           Summary: Increase the number of DNS search domains
           Product: glibc
           Version: 2.24
            Status: NEW
          Severity: normal
          Priority: P2
         Component: network
          Assignee: unassigned at sourceware dot org
          Reporter: fweimer at redhat dot com
  Target Milestone: ---

MAXDNSRCH is currently 6, and the total length of domains cannot exceed 255
bytes.  For some deployments, this is not enough.

I'm trying to collect use cases.  If the number of search domains is really
large, DNS is a poor interface for this (and NSS as a whole as well).  We would
need server-side search path processing.

The other open question is whether this is needed for host name lookups only,
or if other DNS record types need to be supported.

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