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https://github.com/bol-van/zapret.git
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48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
# this custom script in addition to MODE=nfqws runs desync to DHT packets with udp payload length 101..399 , without ipset/hostlist filtering
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# need to add to config : NFQWS_OPT_DESYNC_DHT="--dpi-desync=fake --dpi-desync-ttl=5"
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QNUM2=$(($QNUM+20))
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zapret_custom_daemons()
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{
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# stop logic is managed by procd
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local MODE_OVERRIDE=nfqws
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local opt
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start_daemons_procd
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opt="--qnum=$QNUM2 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_DHT"
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run_daemon 100 $NFQWS "$opt"
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}
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zapret_custom_firewall()
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{
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# $1 - 1 - run, 0 - stop
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local MODE_OVERRIDE=nfqws
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local f uf4 uf6
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local first_packet_only="-m connbytes --connbytes-dir=original --connbytes-mode=packets --connbytes 1:1"
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local desync="-m mark ! --mark $DESYNC_MARK/$DESYNC_MARK"
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zapret_do_firewall_rules_ipt $1
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f='-p udp -m length --length 109:407 -m u32 --u32'
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uf4='0>>22&0x3C@8>>16=0x6431'
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uf6='48>>16=0x6431'
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fw_nfqws_post $1 "$f $uf4 $desync $first_packet_only" "$f $uf6 $desync $first_packet_only" $QNUM2
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}
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zapret_custom_firewall_nft()
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{
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# stop logic is not required
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local MODE_OVERRIDE=nfqws
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local f
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local first_packet_only="ct original packets 1"
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local desync="mark and $DESYNC_MARK == 0"
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zapret_apply_firewall_rules_nft
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f="meta length 109-407 meta l4proto udp @th,64,16 0x6431"
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nft_fw_nfqws_post "$f $desync $first_packet_only" "$f $desync $first_packet_only" $QNUM2
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}
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