Re: common log format...unresolved hosts?

• From: Brian Behlendorf <brian@organic.com>
• Date: Thu, 13 Apr 1995 12:49:24 -0700 (PDT)
• To: Bob Cunningham <bob@mano.soest.hawaii.edu>
• Cc: Multiple recipients of list <www-talk@www10.w3.org>
• Message-Id: <Pine.3.89.9504131235.O16619-0100000@eat.organic.com>

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

Received on Thursday, 13 April 1995 15:49:36 UTC