FreeBSD router (IPFW-based): how to block an URL (all IPs of
an A-like HOSTNAME)
bernt at bah.homeip.net
Thu Jun 17 20:47:27 UTC 2010
Valerian Galeru said the following on 2010-06-17 22:01:
> Does anyone have any ideas how to block all requests using an IPFW-based router
> (FreeBSD 6.4) to and from a HOSTNAME (which has more DNS A entries)
or better, from any *.HOSTNAME.COM ????
Do a whois hostname.com taking note of their ip-address range. Then, for
ipf, put this in your rules file.
### EXAMPLE ###
block in quick on fxp0 from 192.168.0.0/16 to any
block out quick on fxp0 from any to 192.168.0.0/16
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