forked from freifunk-franken/firmware
10 lines
537 B
Plaintext
10 lines
537 B
Plaintext
# If an router has a direct internet connection simple attack act as DOS attack
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if [ -n "$IF_WAN" ]; then
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iptables -A INPUT -i $IF_WAN -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
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iptables -A INPUT -i $IF_WAN -j REJECT
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fi
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# Limit ssh to 6 new connections per 60 seconds
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/usr/sbin/ip6tables -A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW -m recent --set --name dropbear
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/usr/sbin/ip6tables -A INPUT -p tcp --dport 22 -m conntrack --ctstate NEW -m recent --update --seconds 60 --hitcount 6 --rttl --name dropbear -j DROP
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