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@ -53,7 +53,7 @@ You need to run them with the necessary parameters and redirect certain traffic
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To redirect a TCP connection to a transparent proxy, the following commands are used:
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forwarded fraffic :
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forwarded traffic :
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iptables -t nat -I PREROUTING -i <internal_interface> -p tcp --dport 80 -j DNAT --to 127.0.0.127:988
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outgoing traffic :
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iptables -t nat -I OUTPUT -o <external_interface> -p tcp --dport 80 -m owner ! --uid-owner tpws -j DNAT --to 127.0.0.127:988
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@ -172,12 +172,12 @@ add tcp option "MD5 signature". All of them have their own disadvantages :
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* md5sig does not work on all servers
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* badsum doesn't work if your device is behind NAT which does not pass invalid packets.
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Linux NAT by default does not pass them without special setting "sysctl -w net.netfilter.nf_conntrack_checksum=0"
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Openwrt sets it from the box, other routers in most cases dont, and its not always possible to change it.
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If nfqws is on the router, its not neccessary to switch of "net.netfilter.nf_conntrack_checksum".
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Openwrt sets it from the box, other routers in most cases don't, and its not always possible to change it.
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If nfqws is on the router, its not necessary to switch of "net.netfilter.nf_conntrack_checksum".
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Fake packet doesn't go through FORWARD chain, it goes through OUTPUT. But if your router is behind another NAT, for example ISP NAT,
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and that NAT does not pass invalid packets, you cant do anything.
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* badseq packets will be dropped by server, but DPI also can ignore them
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* TTL looks like the best option, but it requires special tuning for earch ISP. If DPI is further than local ISP websites
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* TTL looks like the best option, but it requires special tuning for each ISP. If DPI is further than local ISP websites
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you can cut access to them. Manual IP exclude list is required. Its possible to use md5sig with ttl.
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This way you cant hurt anything, but good chances it will help to open local ISP websites.
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If automatic solution cannot be found then use zapret-hosts-user-exclude.txt.
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@ -223,7 +223,7 @@ doing something about it is hardly possible without the help of the server.
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The best solution is to enable TLS 1.3 support on the server. TLS 1.3 sends the server certificate in encrypted form.
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This is recommendation to all admins of blocked sites. Enable TLS 1.3. You will give more opportunities to overcome DPI.
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Hosts are extracted from plain http request Host: header and SNI of ClientHelllo TLS message.
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Hosts are extracted from plain http request Host: header and SNI of ClientHello TLS message.
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Subdomains are applied automatically. gzip lists are supported.
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iptables for performing the attack on the first packet :
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@ -836,7 +836,7 @@ tpws к http и nfqws к https. При этом поддерживаются у
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enable auto start : systemctl enable zapret
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disable auto start : systemctl disable zapret
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start : sytemctl start zapret
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start : systemctl start zapret
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stop : systemctl stop zapret
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status, output messages : systemctl status zapret
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timer info : systemctl list-timer
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@ -972,7 +972,7 @@ opkg install iptables-mod-extra iptables-mod-nfqueue iptables-mod-filter iptable
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ЭКОНОМИЯ МЕСТА :
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gzip от busybox в разы медленней полноценного варианта. gzip используется скриптами получения листов.
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sort от busybox медленней полноценного варианта и жрет намного болше памяти. sort используется скриптами получения листов.
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sort от busybox медленней полноценного варианта и жрет намного больше памяти. sort используется скриптами получения листов.
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grep от busybox катастрофически медленный с опцией -f. она применяется в get_reestr_combined.sh. если вы не собираетесь
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пользоваться этим скриптом, gnu grep можно не устанавливать
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iptables-mod-nfqueue можно выкинуть, если не будем пользоваться nfqws
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