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Merge pull request #2467 from GNS3/update-remote-install-script
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Use iptables to block IOU home call
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Jeremy Grossmann 2024-12-28 18:01:25 +07:00 committed by GitHub
commit a689a55937
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1 changed files with 0 additions and 13 deletions
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scripts/remote-install.sh
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@ -205,19 +205,6 @@ then
# Force hostid for IOU
dd if=/dev/zero bs=4 count=1 of=/etc/hostid
# Block potential IOU phone home call (xml.cisco.com is not in use at this time)
log "Blocking IOU phone home call"
if [ "$UBUNTU_CODENAME" == "focal" ]
then
iptables -I OUTPUT -p udp --dport 53 -m string --hex-string "|03|xml|05|cisco|03|com" --algo bm -j DROP
echo iptables-persistent iptables-persistent/autosave_v4 boolean true | debconf-set-selections
echo iptables-persistent iptables-persistent/autosave_v6 boolean true | debconf-set-selections
apt install -y iptables-persistent
else
echo "127.0.0.254 xml.cisco.com" | tee --append /etc/hosts
fi
fi
log "Adding gns3 to the kvm group"