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docs: add socks5 doc

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KujouRinka 2024-01-26 14:45:26 +08:00
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docs/Analyzers.md
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@ -267,3 +267,76 @@ Example for blocking Trojan connections:
action: block
expr: trojan != nil && trojan.yes
```
## Socks5
Socks5 that don't need auth:
``` json
{
"socks5": {
"req": {
"cmd": 1, // 0x01: connect, 0x02: bind, 0x03: udp
"addr_type": 3, // 0x01: ipv4, 0x03: domain, 0x04: ipv6
"addr": "google.com",
"port": 80,
"auth": {
"method": 0 // 0x00: no auth, 0x02: username/password
}
},
"resp": {
"rep": 0, // 0x00: success
"addr_type": 1, // 0x01: ipv4, 0x03: domain, 0x04: ipv6
"addr": "198.18.1.31",
"port": 80,
"auth": {
"method": 0 // 0x00: no auth, 0x02: username/password
}
}
}
}
```
Socks5 that need auth:
``` json
{
"socks5": {
"req": {
"cmd": 1, // 0x01: connect, 0x02: bind, 0x03: udp
"addr_type": 3, // 0x01: ipv4, 0x03: domain, 0x04: ipv6
"addr": "google.com",
"port": 80,
"auth": {
"method": 2, // 0x00: no auth, 0x02: username/password
"username": "user",
"password": "pass"
}
},
"resp": {
"rep": 0, // 0x00: success
"addr_type": 1, // 0x01: ipv4, 0x03: domain, 0x04: ipv6
"addr": "198.18.1.31",
"port": 80,
"auth": {
"method": 2, // 0x00: no auth, 0x02: username/password
"status": 0 // 0x00: success, 0x01: failure
}
}
}
}
```
Example for blocking Socks5 connections:
```yaml
# Block connection to google.com:80
- name: Block Google
action: block
expr: string(socks5?.req?.addr) endsWith "google.com" && socks5?.req?.port == 80
# Block specified user
- name: Block user foobar
action: block
expr: socks5?.req?.auth?.method == 2 && socks5?.req?.auth?.username == "foobar"
```