Trackback-Spam

# TrackbackSpammer raus! (die mit den WordPress User-Agents)

# 62.213.0.0 - 62.213.5.255  SAMTEL Network of the Samara Telegraph  RU
subnet[0]="62.213.0.0/21"
# 212.158.0.0 - 212.158.127.255 EU-EN-990217 Cable & Wireless Telecommunication Services GmbH  EU
subnet[1]="212.158.0.0/17"
# 217.23.0.0 - 217.23.15.255    PT-COFINA-20001004      IDCentre, S.A.  PT
subnet[2]="217.23.0.0/20"

for spammer in ${subnet[@]}
 do
        echo "$IPTABLES -A INPUT -s $spammer -j LOG --log-prefix \"** TRACKBACKER **\""
        echo "$IPTABLES -A INPUT -s $spammer -j DROP"
 done

related: iptables, Spam

Sorry for any false positives this might cause.