Make mode -9 the default, instead of -5

Auto-ttl gives many false positives in TTL detection, which breaks non-blocked websites.
Use the combination of wrong-seq and wrong-chksum and hope to the best.
Also block QUIC to workaround possible throttling, as right now it is not dissected.

.github/ISSUE_TEMPLATE/bug.yml

@@ -5,7 +5,7 @@ body:
   - type: markdown
     attributes:
       value: |
-        ### USE THIS FORM ONLY FOR BUGS! The webside does not open? That's likely NOT a bug, do not report it here!
+        **USE THIS FORM ONLY FOR BUGS**
         GoodbyeDPI does not guarantee to work with your ISP for every blocked website or at all. If GoodbyeDPI can't unblock some or any websites, this is most likely not a software bug, and you should not report it here.
 
         Please only report software bugs, such as:
@@ -18,7 +18,7 @@ body:
         Please make sure to check other opened and closed issues, it could be your bug has been reported already.
         For questions, or if in doubt, [use NTC.party forum](https://ntc.party/c/community-software/goodbyedpi).
 
-        ### ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ! Веб-сайт не открывается? Это, скорее всего, не баг, не сообщайте сюда!
+        **ИСПОЛЬЗУЙТЕ ЭТУ ФОРМУ ТОЛЬКО ДЛЯ БАГОВ**
         GoodbyeDPI не гарантирует ни 100% работу с вашим провайдером, ни работу с каждым заблокированным сайтом. Если GoodbyeDPI не разблокирует доступ к некоторым или всем веб-сайтам, вероятнее всего, это не программная ошибка, и не стоит о ней сообщать здесь.
 
         Пожалуйста, сообщайте только об ошибках в программе, таких как:

README.md

@@ -22,6 +22,7 @@ Download [latest version from Releases page](https://github.com/ValdikSS/Goodbye
 ```
 Usage: goodbyedpi.exe [OPTION...]
  -p          block passive DPI
+ -q          block QUIC/HTTP3
  -r          replace Host with hoSt
  -s          remove space between host header and its value
  -m          mix Host header case (test.com -> tEsT.cOm)
@@ -77,8 +78,13 @@ LEGACY modesets:
  -4          -p -r -s (best speed)
 
 Modern modesets (more stable, more compatible, faster):
- -5          -f 2 -e 2 --auto-ttl --reverse-frag --max-payload (this is the default)
+ -5          -f 2 -e 2 --auto-ttl --reverse-frag --max-payload
  -6          -f 2 -e 2 --wrong-seq --reverse-frag --max-payload
+ -7          -f 2 -e 2 --wrong-chksum --reverse-frag --max-payload
+ -8          -f 2 -e 2 --wrong-seq --wrong-chksum --reverse-frag --max-payload
+ -9          -f 2 -e 2 --wrong-seq --wrong-chksum --reverse-frag --max-payload -q (this is the default)
+
+ Note: combination of --wrong-seq and --wrong-chksum generates two different fake packets.
 ```
 
 To check if your ISP's DPI could be circumvented, first make sure that your provider does not poison DNS answers by enabling "Secure DNS (DNS over HTTPS)" option in your browser.
@@ -88,7 +94,7 @@ To check if your ISP's DPI could be circumvented, first make sure that your prov
 
 Then run the `goodbyedpi.exe` executable without any options. If it works — congratulations! You can use it as-is or configure further, for example by using `--blacklist` option if the list of blocked websites is known and available for your country.
 
-If your provider intercepts DNS requests, you may want to use `--dns-addr` option to a public DNS resolver running on non-standard port (such as Yandex DNS `77.88.8.8:1253`) or configure DNS over HTTPS/TLS using third-party applications.
+If your provider intercepts DNS requests, you may want to use `--dns-addr` option to a public DNS resover running on non-standard port (such as Yandex DNS `77.88.8.8:1253`) or configure DNS over HTTPS/TLS using third-party applications.
 
 Check the .cmd scripts and modify it according to your preference and network conditions.
 
@@ -141,7 +147,7 @@ Modify them according to your own needs.
 
 # Similar projects
 
-- **[zapret](https://github.com/bol-van/zapret)** by @bol-van (for MacOS, Linux and Windows)
+- **[zapret](https://github.com/bol-van/zapret)** by @bol-van (for Linux)
 - **[Green Tunnel](https://github.com/SadeghHayeri/GreenTunnel)** by @SadeghHayeri (for MacOS, Linux and Windows)
 - **[DPI Tunnel CLI](https://github.com/zhenyolka/DPITunnel-cli)** by @zhenyolka (for Linux and routers)
 - **[DPI Tunnel for Android](https://github.com/zhenyolka/DPITunnel-android)** by @zhenyolka (for Android)

src/goodbyedpi.c

@@ -78,6 +78,9 @@ WINSOCK_API_LINKAGE INT WSAAPI inet_pton(INT Family, LPCSTR pStringBuf, PVOID pA
          "(tcp.DstPort == 80 or tcp.DstPort == 443) and tcp.Ack and " \
          "(" DIVERT_NO_LOCALNETSv4_DST " or " DIVERT_NO_LOCALNETSv6_DST "))" \
         "))"
+#define FILTER_PASSIVE_BLOCK_QUIC "outbound and !impostor and !loopback and udp " \
+        "and udp.DstPort == 443 and udp.PayloadLength >= 1200 " \
+        "and udp.Payload[0] >= 0xC0 and udp.Payload32[1b] == 0x01"
 #define FILTER_PASSIVE_STRING_TEMPLATE "inbound and ip and tcp and " \
         "!impostor and !loopback and " \
         "((ip.Id <= 0xF and ip.Id >= 0x0) " IPID_TEMPLATE ") and " \
@@ -218,7 +221,10 @@ static void add_ip_id_str(int id) {
 static void add_maxpayloadsize_str(unsigned short maxpayload) {
     char *newstr;
     /* 0x47455420 is "GET ", 0x504F5354 is "POST", big endian. */
-    const char *maxpayloadsize_str = "and (tcp.PayloadLength ? tcp.PayloadLength < %hu or tcp.Payload32[0] == 0x47455420 or tcp.Payload32[0] == 0x504F5354 : true)";
+    const char *maxpayloadsize_str =
+        "and (tcp.PayloadLength ? tcp.PayloadLength < %hu " \
+          "or tcp.Payload32[0] == 0x47455420 or tcp.Payload32[0] == 0x504F5354 " \
+          "or (tcp.Payload[0] == 0x16 and tcp.Payload[1] == 0x03 and tcp.Payload[2] <= 0x03): true)";
     char *addfilter = malloc(strlen(maxpayloadsize_str) + 16);
 
     sprintf(addfilter, maxpayloadsize_str, maxpayload);
@@ -559,7 +565,8 @@ int main(int argc, char *argv[]) {
     conntrack_info_t dns_conn_info;
     tcp_conntrack_info_t tcp_conn_info;
 
-    int do_passivedpi = 0, do_fragment_http = 0,
+    int do_passivedpi = 0, do_block_quic = 0,
+        do_fragment_http = 0,
         do_fragment_http_persistent = 0,
         do_fragment_http_persistent_nowait = 0,
         do_fragment_https = 0, do_host = 0,
@@ -631,17 +638,19 @@ int main(int argc, char *argv[]) {
     );
 
     if (argc == 1) {
-        /* enable mode -5 by default */
+        /* enable mode -9 by default */
         do_fragment_http = do_fragment_https = 1;
         do_reverse_frag = do_native_frag = 1;
         http_fragment_size = https_fragment_size = 2;
         do_fragment_http_persistent = do_fragment_http_persistent_nowait = 1;
         do_fake_packet = 1;
-        do_auto_ttl = 1;
+        do_wrong_chksum = 1;
+        do_wrong_seq = 1;
+        do_block_quic = 1;
         max_payload_size = 1200;
     }
 
-    while ((opt = getopt_long(argc, argv, "123456prsaf:e:mwk:n", long_options, NULL)) != -1) {
+    while ((opt = getopt_long(argc, argv, "123456789pqrsaf:e:mwk:n", long_options, NULL)) != -1) {
         switch (opt) {
             case '1':
                 do_passivedpi = do_host = do_host_removespace \
@@ -682,9 +691,27 @@ int main(int argc, char *argv[]) {
                 do_wrong_seq = 1;
                 max_payload_size = 1200;
                 break;
+            case '9': // +7+8
+                do_block_quic = 1;
+                // fall through
+            case '8': // +7
+                do_wrong_seq = 1;
+                // fall through
+            case '7':
+                do_fragment_http = do_fragment_https = 1;
+                do_reverse_frag = do_native_frag = 1;
+                http_fragment_size = https_fragment_size = 2;
+                do_fragment_http_persistent = do_fragment_http_persistent_nowait = 1;
+                do_fake_packet = 1;
+                do_wrong_chksum = 1;
+                max_payload_size = 1200;
+                break;
             case 'p':
                 do_passivedpi = 1;
                 break;
+            case 'q':
+                do_block_quic = 1;
+                break;
             case 'r':
                 do_host = 1;
                 break;
@@ -884,6 +911,7 @@ int main(int argc, char *argv[]) {
             default:
                 puts("Usage: goodbyedpi.exe [OPTION...]\n"
                 " -p          block passive DPI\n"
+                " -q          block QUIC/HTTP3\n"
                 " -r          replace Host with hoSt\n"
                 " -s          remove space between host header and its value\n"
                 " -a          additional space between Method and Request-URI (enables -s, may break sites)\n"
@@ -938,8 +966,13 @@ int main(int argc, char *argv[]) {
                 " -4          -p -r -s (best speed)"
                 "\n"
                 "Modern modesets (more stable, more compatible, faster):\n"
-                " -5          -f 2 -e 2 --auto-ttl --reverse-frag --max-payload (this is the default)\n"
-                " -6          -f 2 -e 2 --wrong-seq --reverse-frag --max-payload\n");
+                " -5          -f 2 -e 2 --auto-ttl --reverse-frag --max-payload\n"
+                " -6          -f 2 -e 2 --wrong-seq --reverse-frag --max-payload\n"
+                " -7          -f 2 -e 2 --wrong-chksum --reverse-frag --max-payload\n"
+                " -8          -f 2 -e 2 --wrong-seq --wrong-chksum --reverse-frag --max-payload\n"
+                " -9          -f 2 -e 2 --wrong-seq --wrong-chksum --reverse-frag --max-payload -q (this is the default)\n\n"
+                "Note: combination of --wrong-seq and --wrong-chksum generates two different fake packets.\n"
+                );
                 exit(EXIT_FAILURE);
         }
     }
@@ -960,6 +993,7 @@ int main(int argc, char *argv[]) {
     }
 
     printf("Block passive: %d\n"                    /* 1 */
+           "Block QUIC/HTTP3: %d\n"                 /* 1 */
            "Fragment HTTP: %u\n"                    /* 2 */
            "Fragment persistent HTTP: %u\n"         /* 3 */
            "Fragment HTTPS: %u\n"                   /* 4 */
@@ -979,7 +1013,7 @@ int main(int argc, char *argv[]) {
            "Fake requests, wrong checksum: %d\n"    /* 17 */
            "Fake requests, wrong SEQ/ACK: %d\n"     /* 18 */
            "Max payload size: %hu\n",               /* 19 */
-           do_passivedpi,                                         /* 1 */
+           do_passivedpi, do_block_quic,                          /* 1 */
            (do_fragment_http ? http_fragment_size : 0),           /* 2 */
            (do_fragment_http_persistent ? http_fragment_size : 0),/* 3 */
            (do_fragment_https ? https_fragment_size : 0),         /* 4 */
@@ -1031,6 +1065,15 @@ int main(int argc, char *argv[]) {
         filter_num++;
     }
 
+    if (do_block_quic) {
+        filters[filter_num] = init(
+            FILTER_PASSIVE_BLOCK_QUIC,
+            WINDIVERT_FLAG_DROP);
+        if (filters[filter_num] == NULL)
+            die();
+        filter_num++;
+    }
+
     /* 
      * IPv4 & IPv6 filter for inbound HTTP redirection packets and
      * active DPI circumvention