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30 lines
869 B
30 lines
869 B
# this custom script runs desync to all stun packets
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# can override in config :
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NFQWS_OPT_DESYNC_STUN="${NFQWS_OPT_DESYNC_STUN:---dpi-desync=fake}"
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alloc_dnum DNUM_STUN4ALL
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alloc_qnum QNUM_STUN4ALL
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zapret_custom_daemons()
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{
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# $1 - 1 - add, 0 - stop
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local opt="--qnum=$QNUM_STUN4ALL $NFQWS_OPT_DESYNC_STUN"
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do_nfqws $1 $DNUM_STUN4ALL "$opt"
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}
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# size = 156 (8 udp header + 148 payload) && payload starts with 0x01000000
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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 f='-p udp -m length --length 28: -m u32 --u32'
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fw_nfqws_post $1 "$f 0>>22&0x3C@8&0xC0000003=0&&0>>22&0x3C@12=0x2112A442" "$f 48&0xC0000003=0 && 52=0x2112A442" $QNUM_STUN4ALL
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}
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zapret_custom_firewall_nft()
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{
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# stop logic is not required
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local f="udp length >= 28 @ih,0,2 0 @ih,30,2 0 @ih,32,32 0x2112A442"
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nft_fw_nfqws_post "$f" "$f" $QNUM_STUN4ALL
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}
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