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RSS订阅原创 TLS检测
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 概述2. 检测方式2.1 证书检测2.2 JA32.2.1 .
2021-07-01 20:18:02
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原创 BPF介绍
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 概述1.1 发展1.2 优势1.3 限制1.4 基于eBPF.
2021-04-23 10:51:01
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原创 Valgrind
文章目录1. Valgrind概述2. 安装3. 常用工具1. Valgrind概述Valgrind工具套件提供了许多调试和性能分析工具，可帮助您使程序更快，更正确。这些工具中最流行的称为Memcheck。它可以检测C和C++程序中常见的许多与内存有关的错误，这些错误可能导致崩溃和不可预测的行为。valgrind官方资料2. 安装yum install -y valgrind3. 常用工具valgrind --track-fds=yes --leak-check=full --undef-
2021-04-12 19:52:35
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原创 火焰图
文章目录1. 概述2. 创建火焰图2.1 捕获堆栈2.1.1 Linux perf_events2.2 折叠堆栈2.3 生成火焰图3. 解析火焰图1. 概述火焰图是性能分析的利器，可以快速，准确地识别出最频繁的代码路径。官方资料: http://www.brendangregg.com/flamegraphs.htmlgit地址: https://github.com/brendangregg/FlameGraph春哥的systemtapLinux下用火焰图进行性能分析示例http://w
2021-04-12 19:44:49
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原创 LSF-BPF-eBPF
文章目录1. 概述2. 编程接口2.1 创建选项2.2 其他选项2.3 编程指导1. 概述LSF（Linux Socket Filtering）又名BPF。BPF允许用户空间程序将过滤器附加到任意套接字上，并且允许或禁止某些类型的数据通过套接字。它在内核提供了一个虚拟机，用户态将过滤规则以虚拟机指令的形式传递到内核，由内核根据这些指令来过滤网络数据包。官方文档BPF主要应用：XDP流量控制防火墙网络包跟踪内核探针cgroupsbccbpftools2. 编程接口2.1 创建选项
2021-04-01 20:16:28
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原创 网络基础-路由
文章目录1. 网络名词1.1 RIB-路由表1.1.1 RIB的特征1.2 FIB-转发表1.2.1 FIB的特征1.3 Flow-流1. 网络名词1.1 RIB-路由表RIB存储所有路由协议学习到的路由信息。1.1.1 RIB的特征当目标地址不可达时，对应的路由条目先被标记为Unreachable，然后就删除。RIB不是用来进行IP包转发的（静态路由和BGP路由中某些条目的下一跳并不是一个直连的网络，必须进行递归查找，找到实际直连出口），也不会被宣告到网络中。其中包含：通过动态路由协议学
2021-04-01 15:50:08
379
原创 GRUB简述
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com目录1. 概述1.1 配置修改1.2 内核参数1.2.1 示例2. 虚拟机.
2021-03-16 22:31:30
798
原创 MIME与文件Magic
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. MIME1.1 RFC1. MIMEMIME(Multi.
2021-02-18 19:52:51
511
原创 虚拟机配置-CentOS
文章目录1. 镜像下载2. 网络配置2.1 NAT模式2.2 Host-Only3. yum源4. 常用软件5. 更新时间6. git配置7. Go配置8. mysql配置9. Mac免密登陆Centos10. 编译git遇到错误11. 创建新用户名和密码11.1 简单密码设置12. DNS13. 服务1. 镜像下载官方下载链接: https://www.centos.org/download/2. 网络配置[root@localhost root]# vi /etc/sysconfig/netwo
2021-02-08 23:13:04
159
原创 搭建本地gitlib
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 下载安装2. 控制工具2.1 `gitlab-ctl`2.2.
2021-02-08 23:04:32
686
原创 Suricata-IDS与IPS
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 简述2. 入侵检测系统(IDS)3. 入侵防御系统(IPS).
2021-02-08 18:08:41
1080
原创 数字证书
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 概述2. 原理3. 特征1. 概述数字证书是指在互联网通.
2021-02-07 23:32:04
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原创 TLS交互
文章目录1. 基本过程2. 握手阶段2.1 ClientHello2.2 SeverHello2.3 ServerCertificate2.3.1 消息格式2.3.2 证书格式2.4 ServerKeyExchange2.5 ClientCertificateRequest2.6 ServerHelloDone2.7 ClientCertificate2.8 ClientKeyExchange2.9 CertificateVerify2.10 ChangeCipherSpec2.11 ClientFinis
2021-02-07 23:29:14
1228
原创 TLS概述
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 概述1.1 SSL和TLS的差异1.2 SSL/TLS优势1.
2021-02-07 23:16:40
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原创 Suricata-签名
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 概述2. 签名组成2.1 签名结构体2.1.1 flags2.
2020-09-10 22:48:49
486
原创 Suricata-安装文档
文章目录1. 安装1.1 代码下载1.2. 环境依赖1.3. 代码编译1.4. 环境配置1.5. 测试1. 安装suricata安装官方文档1.1 代码下载[taozhihao@localhost suricata]$ wget https://www.openinfosecfoundation.org/downloads/suricata-5.0.3.tar.gz[taozhihao@localhost suricata]$ tar -zxvf suricata-5.0.3.tar.gz[
2020-09-06 21:02:21
723
原创 Suricata-流关键字
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. `flowbits`1.1 `flowbits`安装1.2 .
2020-09-02 23:51:52
1722
原创 Suricata-Stream引擎
文章目录1. 流引擎2. 流跟踪引擎2.1 配置选项2.1.1 `memcap`选项2.1.2 `checksum_validation`选项2.1.3 `prealloc-sessions`选项2.1.4 `midstream`选项2.1.4.1 协议识别2.1.4.2 TCP协议处理2.1.5 `async_oneside`选项2.1.6 `inline`选项2.1.6.1 IDS模式2.1.6.2 IPS模式2.1.7 `drop-invalid`选项2.1.8 `bypass`选项2.1.9 `ma
2020-08-18 23:03:23
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原创 Suricata-流的获取
文章目录1. 概念2. 流的获取2.1 流的分配3. 流的队列3.1 spare队列3.1.1 入队3.1.2 出队3.2 recycle队列3.2.1 入队3.2.2 出队1. 概念流是从特定源发送到特定单播、泛播或多播目的地的数据包序列。流可以由特定传输连接或媒体流中的所有数据包组成。但是，流不一定是1:1映射到传输连接上。传统上，流是基于源地址和目的地址、源端口和目的端口，及传输协议类型的5元组来区分。参见RFC-3697通常我们也指从一端到另一端的一次网络数据传输过程。其包含连接的建立
2020-08-18 22:24:57
1195
原创 Suricata-流的处理
Thank Zhihao Tao for your hard work. The document spent countless nights and weekends, using his hard work to make it convenient for everyone.If you have any questions, please send a email to zhihao.tao@outlook.com文章目录1. 流的内存处理1.1 memcap选项1.2 hash_siz.
2020-08-09 21:38:21
1163
原创 BGP、OSPF、MPLS路由协议RFC分享
文章目录1. 概述1.1 BGP1.2 OSPF1.3 MPLS2. 分享2.1 rfc-42712.2 rfc-31072.3 rfc-43642.4 rfc-44562.5 rfc-45772.6 rfc-47242.7 rfc-47602.8 rfc-23281. 概述1.1 BGP全球有无数台路由器，产生的路由更是多到无法想象。这些路由器分属于大大小小上千个ISP，分布在上百个国家和地区。这些国家由于政治、经济、文化背景千差万别，对互联网的理解也大相径庭。边界网关协议（BGP）是运行于 TC
2020-08-08 21:40:53
2022
下一代基础设施加速和SmartNICs介绍
2021-04-23
RFC - 4577中英文版
2020-08-19
RFC-4364中英文版
2020-08-19
rfc4760-中文版.pdf
2020-08-18
rfc4724-中文版.pdf
2020-08-18
rfc4456_中文版.pdf
2020-08-18
rfc3107-中文版.pdf
2020-08-18
rfc4271_中文版.pdf
2020-08-18
python进阶
2018-08-13
Pyparsing.pdf
2018-04-16
NFV白皮书，想了解网络功能虚拟化的必看
2018-04-16
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