Question about hosts_access(5)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




   > man 5 hosts_access

   ... snip ...

   An  expression  of the form 'n.n.n.n/m.m.m.m´ is interpreted as a
   'net/mask´ pair. An IPv4 host address is matched if 'net´ is equal
   to the bitwise AND of the  address  and  the  'mask´.  For example,
   the  net/mask pattern '131.155.72.0/255.255.254.0´ matches every
   address in the range '131.155.72.0´ through '131.155.73.255´.


   Is there any reason why it must be written out as:

       131.155.72.0/255.255.254.0

   ... as opposed to using the shorter version:

       131.155.72.0/23


   -- A

--
W | It's not a bug - it's an undocumented feature.
 +--------------------------------------------------------------------
 Ashley M. Kirchner <mailto:ashley@xxxxxxxxxx>   .   303.442.6410 x130
 IT Director / SysAdmin / Websmith             .     800.441.3873 x130
 Photo Craft Imaging                       .     3550 Arapahoe Ave. #6
 http://www.pcraft.com ..... .  .    .       Boulder, CO 80303, U.S.A.


[Index of Archives]     [Current Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Yosemite News]     [Yosemite Photos]     [KDE Users]     [Fedora Tools]     [Fedora Docs]

  Powered by Linux