Bump version to v0.2.3. Closes #429

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/workflows/build.yml

@@ -7,21 +7,21 @@ on:
   workflow_dispatch:
 
 env:
-  WINDIVERT_URL: https://www.reqrypt.org/download/WinDivert-2.2.0-A.zip
+  WINDIVERT_URL: https://reqrypt.org/download/WinDivert-2.2.0-D.zip
-  WINDIVERT_NAME: WinDivert-2.2.0-A.zip
+  WINDIVERT_NAME: WinDivert-2.2.0-D.zip
-  WINDIVERT_BASENAME: WinDivert-2.2.0-A
+  WINDIVERT_BASENAME: WinDivert-2.2.0-D
-  WINDIVERT_SHA256: 2a7630aac0914746fbc565ac862fa096e3e54233883ac52d17c83107496b7a7f
+  WINDIVERT_SHA256: 1d461cfdfa7ba88ebcfbb3603b71b703e9f72aba8aeff99a75ce293e6f89d2ba
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Declare short commit variable
         id: vars
         run: |
-          echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
+          echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
 
       - name: Install MinGW-w64
         run: >
@@ -31,7 +31,7 @@ jobs:
 
       - name: Download WinDivert from cache
         id: windivert-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ env. WINDIVERT_NAME }}
           key: ${{ env. WINDIVERT_SHA256 }}
@@ -56,7 +56,7 @@ jobs:
           cp src/goodbyedpi.exe ${{ env.WINDIVERT_BASENAME }}/x64/*.{dll,sys} goodbyedpi_x86_64_${{ steps.vars.outputs.sha_short }}
 
       - name: Upload output file x86_64
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: goodbyedpi_x86_64_${{ steps.vars.outputs.sha_short }}
           path: goodbyedpi_x86_64_${{ steps.vars.outputs.sha_short }}
@@ -72,7 +72,7 @@ jobs:
           cp src/goodbyedpi.exe ${{ env.WINDIVERT_BASENAME }}/x86/*.{dll,sys} goodbyedpi_x86_${{ steps.vars.outputs.sha_short }}
 
       - name: Upload output file x86
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: goodbyedpi_x86_${{ steps.vars.outputs.sha_short }}
           path: goodbyedpi_x86_${{ steps.vars.outputs.sha_short }}

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.
@@ -150,7 +156,6 @@ Modify them according to your own needs.
 - **[SpoofDPI](https://github.com/xvzc/SpoofDPI)** by @xvzc (for macOS and Linux)
 - **[GhosTCP](https://github.com/macronut/ghostcp)** by @macronut (for Windows)
 - **[ByeDPI](https://github.com/hufrea/byedpi)** for Linux/Windows + **[ByeDPIAndroid](https://github.com/dovecoteescapee/ByeDPIAndroid/)** for Android (no root)
-- **[Unicorn HTTPS](https://apps.apple.com/kr/app/unicorn-https/id1466584968?l=en)** for iOS
 
 # Kudos
 

src/fakepackets.c

@@ -11,41 +11,74 @@ static const unsigned char fake_http_request[] = "GET / HTTP/1.1\r\nHost: www.w3
                                                  "User-Agent: curl/7.65.3\r\nAccept: */*\r\n"
                                                  "Accept-Encoding: deflate, gzip, br\r\n\r\n";
 static const unsigned char fake_https_request[] = {
-    0x16, 0x03, 0x01, 0x02, 0x00, 0x01, 0x00, 0x01, 0xfc, 0x03, 0x03, 0x9a, 0x8f, 0xa7, 0x6a, 0x5d,
+0x16, 0x03, 0x01, 0x02, 0x00, 0x01, 0x00, 0x01, /* ........ */
-    0x57, 0xf3, 0x62, 0x19, 0xbe, 0x46, 0x82, 0x45, 0xe2, 0x59, 0x5c, 0xb4, 0x48, 0x31, 0x12, 0x15,
+0xfc, 0x03, 0x03, 0xe4, 0x5d, 0x79, 0x60, 0xec, /* ....]y`. */
-    0x14, 0x79, 0x2c, 0xaa, 0xcd, 0xea, 0xda, 0xf0, 0xe1, 0xfd, 0xbb, 0x20, 0xf4, 0x83, 0x2a, 0x94,
+0x73, 0xa8, 0xaf, 0xc0, 0x1b, 0x6e, 0xba, 0x51, /* s....n.Q */
-    0xf1, 0x48, 0x3b, 0x9d, 0xb6, 0x74, 0xba, 0x3c, 0x81, 0x63, 0xbc, 0x18, 0xcc, 0x14, 0x45, 0x57,
+0xd4, 0x2f, 0x0c, 0xa9, 0xa3, 0xdf, 0xb0, 0xf4, /* ./...... */
-    0x6c, 0x80, 0xf9, 0x25, 0xcf, 0x9c, 0x86, 0x60, 0x50, 0x31, 0x2e, 0xe9, 0x00, 0x22, 0x13, 0x01,
+0x1e, 0x60, 0x1b, 0x71, 0x09, 0xfd, 0xd4, 0x6a, /* .`.q...j */
-    0x13, 0x03, 0x13, 0x02, 0xc0, 0x2b, 0xc0, 0x2f, 0xcc, 0xa9, 0xcc, 0xa8, 0xc0, 0x2c, 0xc0, 0x30,
+0xca, 0x9f, 0xf6, 0x20, 0x3c, 0x6a, 0x0f, 0xfa, /* ... <j.. */
-    0xc0, 0x0a, 0xc0, 0x09, 0xc0, 0x13, 0xc0, 0x14, 0x00, 0x33, 0x00, 0x39, 0x00, 0x2f, 0x00, 0x35,
+0x0b, 0x25, 0xda, 0x8f, 0x29, 0x1e, 0x93, 0xfa, /* .%..)... */
-    0x01, 0x00, 0x01, 0x91, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x0d, 0x00, 0x00, 0x0a, 0x77, 0x77, 0x77,
+0x7c, 0x78, 0xf3, 0x3f, 0x5c, 0xbb, 0x16, 0x6e, /* |x.?\..n */
-    0x2e, 0x77, 0x33, 0x2e, 0x6f, 0x72, 0x67, 0x00, 0x17, 0x00, 0x00, 0xff, 0x01, 0x00, 0x01, 0x00,
+0xfa, 0xd0, 0x90, 0xdd, 0xac, 0x54, 0x39, 0x75, /* .....T9u */
-    0x00, 0x0a, 0x00, 0x0e, 0x00, 0x0c, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x00, 0x19, 0x01, 0x00,
+0x10, 0xd6, 0xd7, 0xc5, 0x00, 0x48, 0x13, 0x02, /* .....H.. */
-    0x01, 0x01, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0e,
+0x13, 0x03, 0x13, 0x01, 0x13, 0x04, 0xc0, 0x2c, /* ......., */
-    0x00, 0x0c, 0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, 0x2f, 0x31, 0x2e, 0x31, 0x00, 0x05,
+0xc0, 0x30, 0xcc, 0xa9, 0xcc, 0xa8, 0xc0, 0xad, /* .0...... */
-    0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x00, 0x6b, 0x00, 0x69, 0x00, 0x1d, 0x00,
+0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0xac, 0xc0, 0x23, /* .+./...# */
-    0x20, 0xb0, 0xe4, 0xda, 0x34, 0xb4, 0x29, 0x8d, 0xd3, 0x5c, 0x70, 0xd3, 0xbe, 0xe8, 0xa7, 0x2a,
+0xc0, 0x27, 0xc0, 0x0a, 0xc0, 0x14, 0xc0, 0x09, /* .'...... */
-    0x6b, 0xe4, 0x11, 0x19, 0x8b, 0x18, 0x9d, 0x83, 0x9a, 0x49, 0x7c, 0x83, 0x7f, 0xa9, 0x03, 0x8c,
+0xc0, 0x13, 0x00, 0x9d, 0xc0, 0x9d, 0x00, 0x9c, /* ........ */
-    0x3c, 0x00, 0x17, 0x00, 0x41, 0x04, 0x4c, 0x04, 0xa4, 0x71, 0x4c, 0x49, 0x75, 0x55, 0xd1, 0x18,
+0xc0, 0x9c, 0x00, 0x3d, 0x00, 0x3c, 0x00, 0x35, /* ...=.<.5 */
-    0x1e, 0x22, 0x62, 0x19, 0x53, 0x00, 0xde, 0x74, 0x2f, 0xb3, 0xde, 0x13, 0x54, 0xe6, 0x78, 0x07,
+0x00, 0x2f, 0x00, 0x9f, 0xcc, 0xaa, 0xc0, 0x9f, /* ./...... */
-    0x94, 0x55, 0x0e, 0xb2, 0x6c, 0xb0, 0x03, 0xee, 0x79, 0xa9, 0x96, 0x1e, 0x0e, 0x98, 0x17, 0x78,
+0x00, 0x9e, 0xc0, 0x9e, 0x00, 0x6b, 0x00, 0x67, /* .....k.g */
-    0x24, 0x44, 0x0c, 0x88, 0x80, 0x06, 0x8b, 0xd4, 0x80, 0xbf, 0x67, 0x7c, 0x37, 0x6a, 0x5b, 0x46,
+0x00, 0x39, 0x00, 0x33, 0x00, 0xff, 0x01, 0x00, /* .9.3.... */
-    0x4c, 0xa7, 0x98, 0x6f, 0xb9, 0x22, 0x00, 0x2b, 0x00, 0x09, 0x08, 0x03, 0x04, 0x03, 0x03, 0x03,
+0x01, 0x6b, 0x00, 0x00, 0x00, 0x12, 0x00, 0x10, /* .k...... */
-    0x02, 0x03, 0x01, 0x00, 0x0d, 0x00, 0x18, 0x00, 0x16, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x08,
+0x00, 0x00, 0x0d, 0x77, 0x69, 0x6b, 0x69, 0x70, /* ...wikip */
-    0x04, 0x08, 0x05, 0x08, 0x06, 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x03, 0x02, 0x01, 0x00,
+0x65, 0x64, 0x69, 0x61, 0x2e, 0x6f, 0x72, 0x67, /* edia.org */
-    0x2d, 0x00, 0x02, 0x01, 0x01, 0x00, 0x1c, 0x00, 0x02, 0x40, 0x01, 0x00, 0x15, 0x00, 0x96, 0x00,
+0x00, 0x0b, 0x00, 0x04, 0x03, 0x00, 0x01, 0x02, /* ........ */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x0a, 0x00, 0x16, 0x00, 0x14, 0x00, 0x1d, /* ........ */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x17, 0x00, 0x1e, 0x00, 0x19, 0x00, 0x18, /* ........ */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x01, 0x00, 0x01, 0x01, 0x01, 0x02, 0x01, 0x03, /* ........ */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x01, 0x04, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c, /* ........ */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70, /* .h2.http */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x2f, 0x31, 0x2e, 0x31, 0x00, 0x16, 0x00, 0x00, /* /1.1.... */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x17, 0x00, 0x00, 0x00, 0x31, 0x00, 0x00, /* .....1.. */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x0d, 0x00, 0x22, 0x00, 0x20, 0x04, 0x03, /* ...". .. */
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x05, 0x03, 0x06, 0x03, 0x08, 0x07, 0x08, 0x08, /* ........ */
-    0x00, 0x00, 0x00, 0x00, 0x00
+0x08, 0x09, 0x08, 0x0a, 0x08, 0x0b, 0x08, 0x04, /* ........ */
+0x08, 0x05, 0x08, 0x06, 0x04, 0x01, 0x05, 0x01, /* ........ */
+0x06, 0x01, 0x03, 0x03, 0x03, 0x01, 0x00, 0x2b, /* .......+ */
+0x00, 0x05, 0x04, 0x03, 0x04, 0x03, 0x03, 0x00, /* ........ */
+0x2d, 0x00, 0x02, 0x01, 0x01, 0x00, 0x33, 0x00, /* -.....3. */
+0x26, 0x00, 0x24, 0x00, 0x1d, 0x00, 0x20, 0x86, /* &.$... . */
+0x81, 0xce, 0x35, 0x01, 0x85, 0x6b, 0x1e, 0x0d, /* ..5..k.. */
+0xbd, 0x92, 0xac, 0xf4, 0x9d, 0xcd, 0x5b, 0x1e, /* ......[. */
+0x12, 0x57, 0x21, 0xc0, 0x0c, 0x59, 0xe9, 0x62, /* .W!..Y.b */
+0xe3, 0xe2, 0xa4, 0x8d, 0xfa, 0x1b, 0x2e, 0x00, /* ........ */
+0x15, 0x00, 0xb2, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* ........ */
+0x00, 0x00, 0x00, 0x00, 0x00                    /* ..... */
 };
 
+
 static int send_fake_data(const HANDLE w_filter,
                           const PWINDIVERT_ADDRESS addr,
                           const char *pkt,

src/goodbyedpi.c

@@ -23,7 +23,7 @@
 // My mingw installation does not load inet_pton definition for some reason
 WINSOCK_API_LINKAGE INT WSAAPI inet_pton(INT Family, LPCSTR pStringBuf, PVOID pAddr);
 
-#define GOODBYEDPI_VERSION "v0.2.2"
+#define GOODBYEDPI_VERSION "v0.2.3"
 
 #define die() do { sleep(20); exit(EXIT_FAILURE); } while (0)
 
@@ -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"
+                " -5          -f 2 -e 2 --auto-ttl --reverse-frag --max-payload\n"
-                " -6          -f 2 -e 2 --wrong-seq --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