IP Firewalling by DNS name

Igor Robul igorr at speechpro.com
Tue May 31 07:48:12 PDT 2005

Ivan Voras wrote:

> Is it possible to use ipfw to filter packets by domain name?
> What I need it for: I'd like to allow ssh logins only from a specific 
> TLD (by reverse lookup...) - maybe there's another way?

man 5 hosts_access

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