[7925] in www-talk@info.cern.ch
Re: common log format...unresolved hosts?
daemon@ATHENA.MIT.EDU (Brian Behlendorf)
Thu Apr 13 17:30:40 1995
Date: Thu, 13 Apr 1995 17:16:36 +0500
Errors-To: procmaster@www19.w3.org
Reply-To: brian@organic.com
From: Brian Behlendorf <brian@organic.com>
To: Multiple recipients of list <www-talk@www10.w3.org>
On Thu, 13 Apr 1995, Bob Cunningham wrote:
> In re log analysis, we fairly consistently see about 26%-27% of
> browing IP addresses showing up unresolved.
>
> Does that much of the Internet indeed have broken DNS reverse lookups,
> or is that high a percentage some sort of artifact of how the httpd
> server (NCSA httpd in our case) does logging?
It's not "broken" DNS reverse lookups, it's just sites that choose (for
security reasons, maybe) to not have reverse lookups enabled.
Brian
