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Date: Sat, 20 Oct 2001 14:45:02 -0700 (PDT)
From: Frank Tobin <ftobin@neverending.org>
To: freebsd-gnats-submit@FreeBSD.org
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Subject: bin/31393: portmap(1) cannot be bound solely to 127.0.0.1
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>Number:         31393
>Category:       bin
>Synopsis:       portmap(1) cannot be bound solely to 127.0.0.1
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Oct 20 14:50:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Frank Tobin
>Release:        4.4-STABLE
>Organization:
>Environment:
FreeBSD palanthas.neverending.org 4.4-STABLE FreeBSD 4.4-STABLE #6: Tue Sep 25 17:00:03 EDT 2001     root@palanthas.neverending.org:/usr/obj/usr/src/sys/PALANTHAS  i386

>Description:
It is not possible to start portmap listening solely to the localhost (127.0.0.1).  The problem is that portmap always appends 127.0.0.1 to every list of -h options (addresses) passed in, and then dies when tryin to bind to the localhost port the second time.
>How-To-Repeat:
Run "portmap -h 127.0.0.1".  portmap will die.
>Fix:
One solution would be to have portmap not add 127.0.0.1 automatically to its list; this functionality is probably not a good design.  But due to backwards compatibility, a more desirable option would be to just have to check if 127.0.0.1 is in hosts[] before adding it a second time to the list of addresses to bind to.
>Release-Note:
>Audit-Trail:
>Unformatted:

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