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mmattax
Asked: 2010-05-25 06:39:39 +0800 CST

What does the IP "192.168.1.1/24" indicate? [duplicate]

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Possible Duplicate:
Server Fault Wiki: How does Subnetting Work?

I'm setting up rsync and I see this in the config file:

hosts allow = 127.0.0.1 192.168.1.1/24

Does this indicate that all hosts on the local (192.168.1.*) can use rsync? It's been awhile since my networking class; I just want to understand...

ip rsync tcpip subnet

3 Answers

  1. Indeed, that means the first 24 bits of the 192.168.1.1 address are required while the remaining eight can be anything. This is called CIDR.

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  2. Yes. The notation is CIDR - have a look here for some more discussion.

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  3. Yes it means 127.0.0.1 and 192.168.1.* are allowed.

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