Block all FaceBook traffic

ASN=32934; for s in $(whois -H -h riswhois.ripe.net -- -F -K -i $ASN | grep -v "^$" | grep -v "^%" | awk '{ print $2 }' ); do echo " blocking $s"; sudo iptables -A INPUT -s $s -j REJECT &> /dev/null || sudo ip6tables -A INPUT -s $s -j REJECT; done

4
By: koppi
2016-04-08 11:30:12

2 Alternatives + Submit Alt

  • Retrieves AS route prefixes for IPv4 and IPv6, aggregates the routes to the minimal set, and adds netfilter rules to reject them. Relies on two helpers: IPv4 - "aggregate" by Joe Abley (package name 'aggregate'), IPv6 - "aggregate6" by Job Snijders ( https://github.com/job/aggregate6 ) Show Sample Output


    0
    ASN=32934; for IP in 4 6; do whois -h riswhois.ripe.net \!${IP/4/g}as${ASN} | sed -n '2 p' | tr \ \\n | aggregate${IP/4/} | while read NET; do ip${IP/4/}tables -I INPUT -S ${NET} -j REJECT; done; done
    iam_TJ · 2016-05-29 09:45:34 2
  • I don't know why you would want to echo "blocking ....", but my alternative is functionally equivalent with the extra echo.


    0
    ASN=32934;whois -H -h riswhois.ripe.net -- -F -K -i $ASN|awk '/^'$ASN'/ {if ($2 ~ /::/) {a="6"} else {a=""};b="sudo ip"a"tables -A INPUT -s "$2" -j REJECT"; print " blocking "$2;system(b)}'
    AndrewM · 2016-07-22 07:48:27 2

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