[Dshield] Another simple question...
garyg at fbtc.net
Sun Oct 28 18:59:47 GMT 2001
Oops. Talk about not answering the question...
To translate to a dotted decimal subnet mask:
Form a 32 bit string of n binary ones, zero padded, separated into groups of
8, (dotted binary?) where n is the number after the slash.
e.g. /25 would be 11111111.11111111.11111111.10000000
Convert each group of 8 bits into a decimal number.
From: dshield-admin at dshield.org [mailto:dshield-admin at dshield.org]On
Behalf Of Josh Tolley
Sent: Saturday, October 27, 2001 6:47 PM
To: dshield at dshield.org
Subject: [Dshield] Another simple question...
What does the /8, /12, etc. below mean? I assume subnet, but having
only used 4 octet notation for subnets, I don't know how to translate
The reserved-for-private-use netblocks should be blocked in *both
directions* (in and out, source and destination) at your boundary:
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