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system/1877: Reverse DNS query code in /sbin/rtquery is broken
- To: gnats@openbsd.org
- Subject: system/1877: Reverse DNS query code in /sbin/rtquery is broken
- From: Sean McCreary <mccreary@bogus.cs.colorado.edu>
- Date: Thu, 14 Jun 2001 19:57:44 -0600 (MDT)
- Resent-Date: Thu, 14 Jun 2001 20:00:03 -0600 (MDT)
- Resent-From: gnats@cvs.openbsd.org (GNATS Management)
- Resent-Message-Id: <200106150200.f5F203Z13949@cvs.openbsd.org>
- Resent-Reply-To: gnats@cvs.openbsd.org,mccreary@bogus.cs.colorado.edu
- Resent-To: bugs@cvs.openbsd.org
>Number: 1877
>Category: system
>Synopsis: Reverse DNS query code in /sbin/rtquery is broken
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: bugs
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Thu Jun 14 20:00:01 MDT 2001
>Last-Modified:
>Originator: Sean McCreary
>Organization:
--
Sean McCreary mccreary@cs.Colorado.EDU
University of Colorado at Boulder, Department of Computer Science
>Release: OpenBSD 2.9
>Environment:
System : OpenBSD 2.9
Architecture: OpenBSD.i386
Machine : i386
>Description:
These entries in rtquery output:
localhost.cs.colorado.edu (127.0.0.1): RIPv2 224 bytes
128.138.192.192/26 metric 1
128.138.193.0/26 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
128.138.199.0/26 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
128.138.205.0/26 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
128.138.236.0/26 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
128.138.241.0/25 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
128.138.243.128/26 metric 2 cca2-gw.nottingham.ac.uk nhop=cs-gw3-csops.cs.colorado.edu
128.138.243.0/25 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
128.138.242.0/24 metric 2 capp-net.cs.colorado.edu nhop=cs-gw3-csops.cs.colorado.edu
128.138.244.0/25 metric 2 nhop=cs-gw3-csops.cs.colorado.edu
0.0.0.0 metric 3 default nhop=cs-gw3-csops.cs.colorado.edu
====================================
produce the following DNS queries:
PTR? 128.138.192.192.in-addr.arpa. (46)
PTR? 0.128.138.193.in-addr.arpa. (44)
PTR? 0.128.138.199.in-addr.arpa. (44)
PTR? 0.128.138.205.in-addr.arpa. (44)
PTR? 0.128.138.236.in-addr.arpa. (44)
PTR? 0.128.138.241.in-addr.arpa. (44)
PTR? 128.138.243.128.in-addr.arpa. (46)
PTR? 0.128.138.243.in-addr.arpa. (44)
PTR? 0.128.138.244.in-addr.arpa. (44)
PTR? <M-LM-?M-_<S^B. (25)
>How-To-Repeat:
Run /sbin/rtquery against any router running RIP
>Fix:
>Audit-Trail:
>Unformatted: