434 lines
10 KiB
Bash
Executable File
434 lines
10 KiB
Bash
Executable File
#!/bin/bash
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MY_IP="47.5.112.50"
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SERVER_IP='192.168.0.55'
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NGINX_ACCESS="/tmp/access.log"
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#WIREGUARD=(51820)
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WIREGUARD=(57692)
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WEB=(80 443)
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ADGUARD=(3000 8082 853 )
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UPTIME=(4001)
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DNS=(53 67 68)
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CUPS=(631 5353)
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BITCOIN=(8333 8332 8334 4050)
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LND=(10009 9735 8080 28334 28333 19998 29000)
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SYNCTHING=(22000 8384 21027)
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NFS=(2049 111)
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JELLYFIN=(8096 7359)
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MACHINES=(127.0.0.1)
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VIRT_BRIDGE="virbr0"
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ADMIN=(22)
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#### NFT CONFIG ####
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NFT='/usr/sbin/nft'
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NFT_TCP="$NFT add rule ip filter input tcp dport"
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NFT_UDP="$NFT add rule ip filter input udp dport"
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NFT6_UDP="$NFT add rule ip6 filter input udp dport"
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NFT6_TCP="$NFT add rule ip6 filter input tcp dport"
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NFT_DROP='counter drop'
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NFT_ACCEPT='counter accept'
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NFT='/usr/sbin/nft'
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NFT_CACHE='/tmp/nft.cache'
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####
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SAVED_BOTS='/opt/firewall/bots.txt'
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CRAWLER_DB='/opt/firewall/crawlers.txt'
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SAFE_TRAFFIC='/opt/firewall/safe.txt'
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PEDO_DB='/opt/firewall/pedo.txt'
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PEDO_LOG='/opt/firewall/pedo-log.txt'
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fediblock_DB='/opt/firewall/fediblock.txt'
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fediblock_TMP='/tmp/fediblock.tmp'
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ATTACKER_DB='/opt/firewall/attacker-db.txt'
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ATTACKER_LOG='/opt/firewall/attackers.txt'
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BOT_ACCOUNT="blockbot@detroitriotcity.com"
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CRAWLER_TMP='/tmp/crawlers.txt'
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DATE="$(date +%Y:%H: -d "1 hour ago")"
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#DATE="$(date +%Y:%H:)";
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RULE_SET='/opt/firewall/nft.rules'
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COUNTRY=(
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https://www.ipdeny.com/ipblocks/data/countries/il.zone
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https://www.ipdeny.com/ipblocks/data/countries/cn.zone
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)
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noscl setprivate 0fe0b7d521c1b599b12a3b1e72acc6f08d2011083f25379d0b90a506d044266f
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nft list table filter > $NFT_CACHE
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blockCountry() {
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for i in "${COUNTRY[@]}"; do
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echo
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echo "Blocking $i"
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DB=( $(curl $i) )
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for j in "${DB[@]}"; do
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$NFT add rule ip filter input ip saddr $j $NFT_DROP
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done
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done
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}
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wireguard-networking() {
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$NFT add table nat
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$NFT add chain nat postrouting
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$NFT add rule nat postrouting oif wg0 iif enp11s0
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$NFT add rule nat postrouting oif enp11s0 iif wg0
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$NFT add rule nat postrouting masquerade
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$NFT add rule filter forward iifname wg0 oif enp11s0 $NFT_ACCEPT
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$NFT add rule filter forward iifname enp11s0 oif wg0 $NFT_ACCEPT
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$NFT add rule ip filter input ip saddr 192.168.5.0/24 $NFT_ACCEPT
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}
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attacker-protection() {
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saved-attackers
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watch
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pedo-search
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bot-search
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attacker-search
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}
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bot-search() {
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DATE="$(date +%d/%b/%Y:%H:%M -d '1 min ago' )"
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CRAWLERS=( $( grep $DATE $NGINX_ACCESS | grep -vi $MY_IP | grep -Evi 'Guro|spank|report|rape|block' | grep -Ei -f $CRAWLER_DB | cut -d "-" -f1 | sort -u))
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echo
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echo "Processing Web Crawler list into NFT....."
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echo
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for i in "${CRAWLERS[@]}"; do
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CHECK=$( cat $NFT_CACHE | grep $i)
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if [ "$CHECK" = "" ];
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then
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$NFT add rule ip filter input ip saddr $i $NFT_DROP
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else
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echo
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echo "Skipping Duplicate IP $i"
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echo
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fi
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done
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}
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pedo-search() {
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DATE="$(date +%d/%b/%Y:%H:%M -d '1 min ago' )"
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echo
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echo "Processing Pedo Searches into NFT....."
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PEDO_SEARCH=$( grep $DATE $NGINX_ACCESS | grep -vi $MY_IP | grep -Ei 'tag|search' | grep -Evi -f $CRAWLER_DB | grep -Ei -f $PEDO_DB | head -1)
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echo $PEDO_SEARCH
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if [ -z "$PEDO_SEARCH" ];
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then
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echo "No Pedos Found"
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else
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IP=$(echo $PEDO_SEARCH | cut -d ' ' -f1)
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$NFT add rule ip filter input ip saddr $IP $NFT_DROP
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noscl setprivate 0fe0b7d521c1b599b12a3b1e72acc6f08d2011083f25379d0b90a506d044266f
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noscl publish --profile=33c74427f3b2b73d5e38f3e6c991c122a55d204072356f71da49a0e209fb6940 "$QUERY"
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fi
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}
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attacker-search() {
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echo
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echo "Processing Attacker Searches into NFT....."
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echo
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DATE="$(date +%d/%b/%Y:%H:%M -d '1 min ago' )"
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ATTACKER_SEARCH=( $( grep $DATE $NGINX_ACCESS | grep -Ei '127.0.0.1|"$DATE"' | grep -vi $MY_IP | grep -Ei -f $ATTACKER_DB | cut -d "-" -f1 | sort -u))
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for i in "${ATTACKER_SEARCH[@]}"; do
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$NFT add rule ip filter input ip saddr $i $NFT_DROP
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QUERY=$(cat $NGINX_ACCESS | grep -i "$DATE" | grep -vi $MY_IP | grep $i | grep -Ei -f $ATTACKER_DB | head -1)
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if [ -z "$QUERY" ]; then
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echo "No Attackers Found"
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else
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echo "Found Attacker!"
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noscl publish --profile=33c74427f3b2b73d5e38f3e6c991c122a55d204072356f71da49a0e209fb6940 "$QUERY"
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echo $i >>$ATTACKER_LOG
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fi
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done
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}
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basic-security() {
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$NFT add rule filter input icmp type echo-request $NFT_DROP
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$NFS add rule filter input log
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$NFT rule filter input log $NFT_DROP
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$NFT rule filter output $NFT_ACCEPT
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$NFT rule filter forward $NFT_ACCEPT
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$NFT insert rule filter input ct state established $NFT_ACCEPT
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$NFT insert rule filter input iif lo $NFT_ACCEPT
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$NFT -f /usr/share/nftables/ipv6-filter.nft
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$NFT add rule ip6 filter input icmpv6 type nd-neighbor-solicit $NFT_DROP
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$NFT add rule ip6 filter input icmpv6 type nd-router-advert $NFT_DROP
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}
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virtualization() {
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ip link del virbr0
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killall dnsmasq
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/usr/bin/systemctl restart libvirtd
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/usr/bin/virsh net-start default
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/usr/bin/systemctl restart pleroma
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$NFT insert rule filter input iif $VIRT_BRIDGE $NFT_ACCEPT
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}
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uptimeKuma() {
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for i in "${UPTIME[@]}"; do
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$NFT add rule ip filter input ip saddr $SERVER_IP tcp dport $i accept
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done
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}
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admin() {
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for i in "${ADMIN[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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done
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}
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wireguard() {
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sysctl -w net.ipv4.conf.all.forwarding=1
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for i in "${WIREGUARD[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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$NFT6_UDP $i $NFT_ACCEPT
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done
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}
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web() {
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for i in "${WEB[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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done
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}
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dns(){
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for i in "${DNS[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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$NFT6_UDP $i $NFT_ACCEPT
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done
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}
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adguard() {
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for i in "${ADGUARD[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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done
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}
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cups() {
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for i in "${CUPS[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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$NFT6_UDP $i $NFT_ACCEPT
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done
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}
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bitcoin() {
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for i in "${BITCOIN[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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done
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}
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lnd() {
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for i in "${LND[@]}"; do
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$NFT add rule ip filter input ip saddr $SERVER_IP tcp dport $i accept
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done
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}
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syncthingServer() {
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for i in "${SYNCTHING[@]}"; do
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$NFT add rule ip filter input ip saddr $SERVER_IP tcp dport $i accept
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done
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}
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syncthing() {
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for i in "${SYNCTHING[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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$NFT6_UDP $i $NFT_ACCEPT
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done
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}
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jellyfin() {
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for i in "${JELLYFIN[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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$NFT6_TCP $i $NFT_ACCEPT
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$NFT6_UDP $i $NFT_ACCEPT
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done
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}
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kde-connect() {
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$NFT_TCP 1714-1764 $NFT_ACCEPT
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$NFT_UDP 1714-1764 $NFT_ACCEPT
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}
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nfs() {
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for i in "${NFS[@]}"; do
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$NFT_TCP $i $NFT_ACCEPT
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$NFT_UDP $i $NFT_ACCEPT
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done
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}
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trust() {
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for i in "${MACHINES[@]}"; do
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$NFT add rule filter input ip saddr $i $NFT_ACCEPT
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done
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}
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start() {
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$NFT flush ruleset
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if [ -f "$RULE_SET" ]; then
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echo
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echo "Importing Existing Rule Set"
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$NFT -f $RULE_SET
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else
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echo
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echo "No existing Rules saved"
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$NFT -f /usr/share/nftables/ipv4-filter.nft
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fi
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if [[ $HOSTNAME == *"nas"* ]]; then
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attacker-protection
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wireguard
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web
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admin
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adguard
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dns
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cups
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syncthingServer
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syncthing
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#blockCountry
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jellyfin
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wireguard-networking
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uptimeKuma
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docker restart uptime-kuma
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$NFT insert rule filter input iif docker0 $NFT_ACCEPT
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basic-security
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else
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virtualization
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basic-security
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fi
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}
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status() {
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DATE="$(date +%d/%b/%Y:%H:%M -d '1 min ago' )"
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STATS=$( grep $DATE $NGINX_ACCESS | grep -vi $MY_IP | wc -l )
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GET=$( grep $DATE $NGINX_ACCESS | grep -vi $MY_IP | grep GET | wc -l )
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POST=$( grep $DATE $NGINX_ACCESS | grep -vi $MY_IP | grep POST | wc -l )
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PUT=$( grep $DATE $NGINX_ACCESS | grep -vi $MY_IP | grep -i PUT | wc -l )
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echo "=================================================================="
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echo "Firewall Rules: $($NFT list table filter | wc -l)"
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echo
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echo "Traffic Last Minute: $STATS"
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echo " GET: $GET"
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echo " PUT: $PUT"
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echo " POST: $POST"
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echo
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echo "Blocked IP's:"
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cat /tmp/tmp-blocked.txt
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echo "=================================================================="
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}
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stop() {
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forgive
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$NFT -s list ruleset | tee $RULE_SET
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$NFT flush ruleset
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$NFT -f /usr/share/nftables/ipv4-filter.nft
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$NFT add rule filter input icmp type echo-request $NFT_ACCEPT
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$NFT rule filter input $NFT_ACCEPT
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$NFT rule filter output $NFT_ACCEPT
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$NFT rule filter forward $NFT_ACCEPT
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$NFT insert rule filter input ct state established $NFT_ACCEPT
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$NFT insert rule filter input iif lo $NFT_ACCEPT
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$NFT -f /usr/share/nftables/ipv6-filter.nft
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$NFT add rule ip6 filter input icmpv6 type nd-neighbor-solicit $NFT_ACCEPT
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$NFT add rule ip6 filter input icmpv6 type nd-router-advert $NFT_ACCEPT
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}
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forgive() {
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IP=( $( grep -vi $MY_IP /tmp/tmp-blocked.txt ) )
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echo $IP
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for i in "${IP[@]}"; do
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echo "Checking $i"
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HANDLE=$(nft -n -a list ruleset | grep $i | grep handle | cut -d '#' -f2 | cut -d ' ' -f3)
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echo "Removing: $i"
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echo $NFT delete rule ip filter input handle $HANDLE
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$NFT delete rule ip filter input handle $HANDLE
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done
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echo > /tmp/tmp-blocked.txt
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}
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saved-attackers() {
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echo
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IP=( $( cat $ATTACKER_LOG | grep -vi $MY_IP | cut -d ' ' -f1 | sort -u ) )
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for i in "${IP[@]}"; do
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CHECK=$( cat $NFT_CACHE | grep $i)
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if [ "$CHECK" = "" ];
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then
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echo "Blocking IP: $i"
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logger "Blocking IP: $i"
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$NFT add rule ip filter input ip saddr $i $NFT_DROP
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else
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echo
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echo "Skipping Duplicate IP $i"
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echo
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fi
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done
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}
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watch() {
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THRESHOLD="50"
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DATE="$(date +%d/%b/%Y:%H:%M -d '1 min ago' )"
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echo "Scanning $DATE"
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echo
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IP=( $( grep $DATE $NGINX_ACCESS | grep -Evi -f $SAFE_TRAFFIC | grep -vi $MY_IP | cut -d ' ' -f1 | sort -u ) )
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for i in "${IP[@]}"; do
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COUNT=$( grep $DATE $NGINX_ACCESS | grep "$i" | wc -l)
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CHECK=$( cat $NFT_CACHE | grep $i)
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if [ "$CHECK" = "" ];
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then
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if [[ "$COUNT" -gt "$THRESHOLD" ]]; then
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echo "Blocking IP: $i"
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logger "Blocking IP: $i"
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echo $i >> /tmp/tmp-blocked.txt
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$NFT add rule ip filter input ip saddr $i $NFT_DROP
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fi
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else
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echo
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echo "Skipping Duplicate IP $i"
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echo
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fi
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done
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}
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if [ "$1" = "start" ]; then
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start
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elif [ "$1" = "virt" ]; then
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virtualization
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elif [ "$1" = "bot-search" ]; then
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bot-search
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elif [ "$1" = "attacker-protection" ]; then
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attacker-protection
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elif [ "$1" = "country" ]; then
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blockCountry
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elif [ "$1" = "status" ]; then
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status
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elif [ "$1" = "forgive" ]; then
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forgive
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elif [ "$1" = "watch" ]; then
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watch
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elif [ "$1" = "stop" ]; then
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stop
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elif [ "$1" = "saved" ]; then
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saved-bots
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else
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echo "Invalid Choice"
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fi
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