From: alexbuzzbee@gmail.com   
      
   On 2016-07-14 03:54:06 +0000, Moe Trin said:   
      
   > On Wed, 13 Jul 2016, in the Usenet newsgroup comp.protocols.tcp-ip, in   
   article   
   > , Alex Martin wrote:   
   >   
   >> Running OS X, and when I connect to a local server via localhost, the   
   >> 'client address' is always 0.0.0.0.   
   >   
   > Lack of info - where do you see the information?  Is this something in   
   > the server logs, something displayed by the client, the server, or...   
      
   This is coming from the server logs (on the same machine), yes.   
      
   >   
   >> I'm wondering if this is normal, OS X weirdness, or a bug?   
   >   
   > Not enough info.  0.0.0.0 (and in fact the entire 0.x.x.x range) is   
   > IP's version of saying "me, but I don't know my name or address".   
      
   Thank you. That pretty much answers my question.   
      
   > From RFC6890 (Special-Purpose IP Address Registries):   
   >   
   >               +----------------------+----------------------------+   
   >               | Attribute            | Value                      |   
   >               +----------------------+----------------------------+   
   >               | Address Block        | 0.0.0.0/8                  |   
   >               | Name                 | "This host on this network"|   
   >               | RFC                  | [RFC1122], Section 3.2.1.3 |   
   >               | Allocation Date      | September 1981             |   
   >               | Termination Date     | N/A                        |   
   >               | Source               | True                       |   
   >               | Destination          | False                      |   
   >               | Forwardable          | False                      |   
   >               | Global               | False                      |   
   >               | Reserved-by-Protocol | True                       |   
   >               +----------------------+----------------------------+   
   >   
   > and that's referring to RFC1122 (Requirements for Internet Hosts -   
   > Communication Layers.).   OS X - you'd have better luck asking in an   
   > OSX newsgroup (one of the comp.sys.mac.* most likely), but what's in   
   > the /etc/hosts file?  On many UNIX like systems, you'd see something   
   > like   
   >   
   > [herschel ~]$ cat /etc/hosts   
   > 127.0.0.1       localhost   
   > 192.168.1.6     herschel.phx.az.us   
   > ::1             localhost ip6-localhost ip6-loopback   
   > [herschel ~]$   
   >   
   > where this host is known on the LOCAL network as herschel.  Is that   
   > first "localhost" line there?   
      
   Yes; it's always there on OS X, and I've just checked.   
      
   >   
   >         Old guy   
      
      
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