---
title: "Lsr (@seencxy) | Hashnode"
description: "Anti-bot engineering notes: CAPTCHA, cookies, and the session lifecycle. Read the latest articles by Lsr on Hashnode."
url: "https://hashnode.com/@seencxy"
---

@seencxy

# Lsr

@seencxy · Joined November 2026

Anti-bot engineering notes: CAPTCHA, cookies, and the session lifecycle

### [Cookie anti-bot: apa itu \_abck dan reese84, dan mengapa keduanya cepat kedaluwarsa](https://solvehub.hashnode.dev/cookie-anti-bot-apa-itu-abck-dan-reese84-dan-mengapa-keduanya-cepat-kedaluwarsa?utm_source=hashnode&utm_medium=feed)

Banyak tim sampai di titik yang sama: permintaan pertama berhasil, lalu tiba-tiba balasan berubah menjadi 403 padahal cookie-nya masih ada di jar. Penyebabnya jarang berupa "cookie kurang satu"; lebih

4 min read · [solvehub.hashnode.dev](https://solvehub.hashnode.dev/cookie-anti-bot-apa-itu-abck-dan-reese84-dan-mengapa-keduanya-cepat-kedaluwarsa?utm_source=hashnode&utm_medium=feed)

[1d ago](https://hashnode.com/posts/cookie-anti-bot-apa-itu-abck-dan-reese84-dan-mengapa-keduanya-cepat-kedaluwarsa/6af2a10a1b96f469443d851a)

### [Akamai \_abck: the cookie that rewrites itself on every response](https://solvehub.hashnode.dev/akamai-abck-the-cookie-that-rewrites-itself-on-every-response?utm_source=hashnode&utm_medium=feed)

Akamai Bot Manager is the one anti-bot product where the cookie is the least interesting part of the story. Everyone fixates on \_abck. What actually decides whether your next request passes is the seq

6 min read · [solvehub.hashnode.dev](https://solvehub.hashnode.dev/akamai-abck-the-cookie-that-rewrites-itself-on-every-response?utm_source=hashnode&utm_medium=feed)

[1](https://hashnode.com/posts/akamai-abck-the-cookie-that-rewrites-itself-on-every-response/6af276337dbf812c12e00b34) [1d ago](https://hashnode.com/posts/akamai-abck-the-cookie-that-rewrites-itself-on-every-response/6af276337dbf812c12e00b34)