### Performance Optimization Options in Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Optimizes CPU usage and fake packet targeting. The --max-payload option skips processing of large data transfers, reducing CPU load. The --min-ttl option sets a minimum hop distance for sending fake packets, improving targeting accuracy. A full optimized configuration example is provided.

```bash
# Skip packets larger than 1200 bytes to reduce CPU usage
goodbyedpi.exe --max-payload 1200

# Only send fake packets when destination is at least 3 hops away
goodbyedpi.exe --auto-ttl --min-ttl 3

# Full optimized configuration
goodbyedpi.exe -f 2 -e 2 --auto-ttl --min-ttl 3 --max-payload 1200 --reverse-frag
```

--------------------------------

### Native and Reverse Fragmentation with Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Enables native fragmentation for faster connections by sending smaller packets without altering the TCP window size. Reverse fragmentation sends fragments in reverse order, useful for DPI systems that reassemble TCP streams. Combining both is recommended for modern DPI.

```bash
# Enable native fragmentation for faster performance
goodbyedpi.exe --native-frag -f 2 -e 2

# Enable reverse fragmentation for problematic DPI
goodbyedpi.exe --reverse-frag -f 2 -e 2

# Combine both (recommended for modern DPI)
goodbyedpi.exe --native-frag --reverse-frag -f 2 -e 2
```

--------------------------------

### Customizing Fake Packets with Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Allows for detailed customization of fake packet content and behavior. Options include loading packet data from hex strings, generating fake TLS ClientHello packets with specific SNI values (mimicking browsers), generating random fake packets, and controlling the resend count for each fake packet.

```bash
# Load fake packet from hex data
goodbyedpi.exe --fake-from-hex "160301020001000001fc0303"

# Generate fake TLS ClientHello with specific SNI
goodbyedpi.exe --fake-with-sni "decoy.example.com"

# Generate 5 random fake packets
goodbyedpi.exe --fake-gen 5

# Resend each fake packet 3 times
goodbyedpi.exe --fake-resend 3

# Combined fake packet configuration
goodbyedpi.exe --fake-with-sni "google.com" --fake-resend 2 --wrong-chksum
```

--------------------------------

### Additional Port and IP ID Configuration in Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Allows configuration of additional TCP ports for processing beyond the default HTTP (80) and HTTPS (443). The IP ID option handles specific packet identifiers used by certain DPI systems. An option to process HTTP on all ports is also available.

```bash
# Add custom port 8080 for fragmentation
goodbyedpi.exe --port 8080 -f 2 -e 2

# Handle additional IP ID values
goodbyedpi.exe --ip-id 1234 --ip-id 5678

# Process HTTP on all ports (not just 80)
goodbyedpi.exe -w
```

--------------------------------

### DNS Redirection Configuration in Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Redirects DNS queries to specified alternative DNS servers to bypass DNS-based blocking or ISP DNS poisoning. Supports both IPv4 and IPv6 addresses and ports. An option for verbose DNS logging is also available.

```bash
# Redirect DNS to Yandex DNS on non-standard port
goodbyedpi.exe --dns-addr 77.88.8.8 --dns-port 1253

# Redirect IPv6 DNS requests
goodbyedpi.exe --dnsv6-addr 2a02:6b8::feed:0ff --dnsv6-port 1253

# Enable verbose DNS logging
goodbyedpi.exe --dns-addr 77.88.8.8 --dns-port 1253 --dns-verb
```

--------------------------------

### Blacklist Filtering with Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Restricts circumvention techniques to specific domains listed in a file, reducing impact on normal traffic and improving performance. Multiple blacklist files can be used. Options include allowing processing of packets without SNI and fragmenting HTTPS packets just before the SNI value.

```bash
# Apply tricks only to domains in blacklist file
goodbyedpi.exe --blacklist russia-blacklist.txt

# Use multiple blacklist files
goodbyedpi.exe --blacklist list1.txt --blacklist list2.txt

# Allow processing packets without SNI when blacklist is active
goodbyedpi.exe --blacklist domains.txt --allow-no-sni

# Fragment HTTPS packets right before the SNI value
goodbyedpi.exe --blacklist domains.txt --frag-by-sni -e 2

# Example blacklist file format (one domain per line):
# youtube.com
# twitter.com
# facebook.com
```

--------------------------------

### Fake Request Mode Options in Goodbyedpi

Source: https://context7.com/valdikss/goodbyedpi/llms.txt

Utilizes decoy packets with invalid parameters (low TTL, incorrect checksum, or invalid sequence numbers) to mislead DPI systems. These packets are dropped before reaching the destination. Options include setting a fixed TTL, auto-detecting TTL, using wrong checksums, or wrong sequence numbers.

```bash
# Send fake packets with fixed TTL of 5 (dangerous, use with blacklist)
goodbyedpi.exe --set-ttl 5 --blacklist russia-blacklist.txt

# Auto-detect optimal TTL based on connection distance
goodbyedpi.exe --auto-ttl

# Custom auto-TTL parameters (decrease by 1-4, max 10)
goodbyedpi.exe --auto-ttl 1-4-10

# Send fake packets with wrong TCP checksum (safer than TTL)
goodbyedpi.exe --wrong-chksum

# Send fake packets with wrong TCP sequence numbers
goodbyedpi.exe --wrong-seq

# Combine checksum and sequence for two different fake packets
goodbyedpi.exe --wrong-chksum --wrong-seq
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.