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I've managed to use below command to block ip address:

/sbin/route add -host 111.111.111.11 reject

How do I view if this is in the list? How do I view all IP's that are currently blocked?

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migrated from stackoverflow.com Mar 1 '12 at 1:55

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2 Answers

up vote 0 down vote accepted

You can view the routing table with:

netstat -r
netstat -rn
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running

/sbin/route

will display the current rules. You should see something like this:

[user@host ~]$ sudo /sbin/route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
KD111111111011. -               255.255.255.255 !H    0      -        0 -

This isn't too viewer friendly, but the Destination is the IP without any .'s in it. 11 became 011 because it uses 3 places for each octet.

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