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Filtering IP addresses by domain name

Filtering IP addresses by domain name

2005-06-06       - By Ryan Golhar

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Reply:     1     2     3     4     5  

My machines keep getting attacked through ssh nightly.  I want to
prevent users from connecting to SSH unless they are coming in through a
specific ISP.  Is there a way I can filter a range of IPs based on
provider in iptables?

Ryan

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