<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>SYN/ACK</title><description>一个网络协议分析方向学生的学习记录：抓包、协议解析、RFC 精读与实验复现。</description><link>https://example.github.io/</link><language>zh-CN</language><item><title>TLS 1.3 握手过程详解：1-RTT 是怎么做到的</title><link>https://example.github.io/posts/tls13-handshake/</link><guid isPermaLink="true">https://example.github.io/posts/tls13-handshake/</guid><description>对比 TLS 1.2，梳理 TLS 1.3 握手中每条消息的作用，并用 SSLKEYLOGFILE 在 Wireshark 里解密握手后的加密内容。</description><pubDate>Sat, 10 Oct 2026 00:00:00 GMT</pubDate><category>TLS</category><category>加密流量</category><category>Wireshark</category></item><item><title>Scapy 入门：用 Python 构造、发送与解析数据包</title><link>https://example.github.io/posts/scapy-intro/</link><guid isPermaLink="true">https://example.github.io/posts/scapy-intro/</guid><description>从分层构造报文、收发探测、实时嗅探到读取 pcap 文件，用 Scapy 把协议知识变成可以运行的代码。</description><pubDate>Sun, 04 Oct 2026 00:00:00 GMT</pubDate><category>Scapy</category><category>Python</category><category>工具</category></item><item><title>DNS 报文结构解析：从一次 dig 查询说起</title><link>https://example.github.io/posts/dns-message-format/</link><guid isPermaLink="true">https://example.github.io/posts/dns-message-format/</guid><description>用 dig 发起一次查询，结合 RFC 1035 逐字段拆解 DNS 头部、问题区与资源记录，顺便搞懂域名压缩指针 0xC00C。</description><pubDate>Sun, 27 Sep 2026 00:00:00 GMT</pubDate><category>DNS</category><category>UDP</category><category>RFC</category></item><item><title>Wireshark 显示过滤器速查表</title><link>https://example.github.io/posts/wireshark-display-filters/</link><guid isPermaLink="true">https://example.github.io/posts/wireshark-display-filters/</guid><description>整理了最常用的显示过滤器语法、各层协议字段与捕获过滤器（BPF）的区别，抓包时开一个标签页放着就够用。</description><pubDate>Sun, 20 Sep 2026 00:00:00 GMT</pubDate><category>Wireshark</category><category>速查</category><category>工具</category></item><item><title>TCP 三次握手与四次挥手：用 Wireshark 逐帧分析</title><link>https://example.github.io/posts/tcp-handshake-wireshark/</link><guid isPermaLink="true">https://example.github.io/posts/tcp-handshake-wireshark/</guid><description>抓一次真实的 HTTP 连接，从 TCP 首部字段、序列号变化到 TIME_WAIT，把建立和关闭连接的每一帧都看明白。</description><pubDate>Sun, 13 Sep 2026 00:00:00 GMT</pubDate><category>TCP</category><category>Wireshark</category><category>抓包</category></item><item><title>IPv4 首部与分片：用一个 3000 字节的 ping 观察分片</title><link>https://example.github.io/posts/ipv4-header-fragmentation/</link><guid isPermaLink="true">https://example.github.io/posts/ipv4-header-fragmentation/</guid><description>拆解 IPv4 首部的 20 个字节，动手制造分片，计算每个分片的偏移量，并顺带理解 TTL 与 traceroute 的原理。</description><pubDate>Sun, 06 Sep 2026 00:00:00 GMT</pubDate><category>IPv4</category><category>ICMP</category><category>分片</category></item><item><title>开张：SYN/ACK 博客与写作指南</title><link>https://example.github.io/posts/hello-syn-ack/</link><guid isPermaLink="true">https://example.github.io/posts/hello-syn-ack/</guid><description>为什么要写这个博客，以及本站支持的 Markdown 扩展语法——时序图、协议头位域图、提示块，一次讲清楚。</description><pubDate>Tue, 01 Sep 2026 00:00:00 GMT</pubDate><category>随笔</category><category>写作指南</category><category>Markdown</category></item></channel></rss>