Unexpected features in Acrobat 7
Posted Apr 2, 2005 19:33 UTC (Sat) by
dale (guest, #4068)
Parent article:
Unexpected features in Acrobat 7
Perhaps something akin to the following for iptables filtering?
iptables -A OUTPUT -o eth0 -p tcp -m owner --cmd-owner acroread -j REJECT --reject-with tcp-reset
Since I don't have a PDF document with Javascript "web bug" in it, I tested the above with wget instead of acroread and it seems to work OK. Rejection with tcp-reset seems to avoid a several second delay that occurs with the default rejection method of ICMP port-unreachable.
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