河小马
HTTP/2指纹遵循以下方案：
[SETTINGS]|WINDOW_UPDATE|PRIORITY|Pseudo-Header-Order|HEADERS_FRAME|WINDOW_UPDATE
如果您的爬虫被阻止，可能是由于这种识别技术。
| Settings Frame |
{
"type": "SETTINGS",
"length": 30,
"settings": [
"HEADER_TABLE_SIZE = 65536",
"ENABLE_PUSH = 0",
"MAX_CONCURRENT_STREAMS = 1000",
"INITIAL_WINDOW_SIZE = 6291456",
"MAX_HEADER_LIST_SIZE = 262144"
]
}
|
| Window Update |
{
"type": "WINDOW_UPDATE",
"length": 4,
"increment": 15663105
}
|
| Headers |
{
"type": "HEADERS",
"stream_id": 1,
"length": 376,
"headers": [
":method: GET",
":authority: tools.scrapfly.io",
":scheme: https",
":path: /api/fp/akamai?extended=1",
"sec-ch-ua: \"Not.A/Brand\";v=\"8\", \"Chromium\";v=\"114\", \"Google Chrome\";v=\"114\",
"sec-ch-ua-mobile: ?0",
"user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36",
"sec-ch-ua-platform: \"Windows\",
"accept: */*",
"origin: https://scrapfly.io",
"sec-fetch-site: same-site",
"sec-fetch-mode: cors",
"sec-fetch-dest: empty",
"referer: https://scrapfly.io/",
"accept-encoding: gzip, deflate, br",
"accept-language: en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7"
],
"priority": {
"weight": 220,
"depends_on": 0,
"exclusive": 1
}
}
|
