<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[madding]]></title><description><![CDATA[http://aqnote.com]]></description><link>https://blog.youkuaiyun.com/madding</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; madding]]></copyright><item><title><![CDATA[将博客搬至优快云]]></title><link>https://blog.youkuaiyun.com/madding/article/details/107530488</link><guid>https://blog.youkuaiyun.com/madding/article/details/107530488</guid><author>madding</author><pubDate>Thu, 23 Jul 2020 10:20:22 +0800</pubDate><description><![CDATA[1

]]></description><category></category></item><item><title><![CDATA[log系统的基本规范]]></title><link>https://blog.youkuaiyun.com/madding/article/details/38846935</link><guid>https://blog.youkuaiyun.com/madding/article/details/38846935</guid><author>madding</author><pubDate>Tue, 26 Aug 2014 14:33:53 +0800</pubDate><description><![CDATA[日志分类：
1.访问日志： access.log         系统稳定期&总体分析使用 尽量用gz输出
2.工程未处理日志： project.log  目标是越来越少
3.业务日志：*biz.log            故障排查
4.性能日志：*perf.log           目前基本可忽略不用，淘宝中间件提供的比较多类似功能（hsf，tddl）
尽量压缩1，强化3；2、4弱]]></description><category></category></item><item><title><![CDATA[常用编程范式]]></title><link>https://blog.youkuaiyun.com/madding/article/details/38412851</link><guid>https://blog.youkuaiyun.com/madding/article/details/38412851</guid><author>madding</author><pubDate>Thu, 07 Aug 2014 09:08:25 +0800</pubDate><description><![CDATA[cache实现范式
value getValue(key){
    value = getValueFromCache(key);

    if( value == null ){
        value = readFromPersistence(key);
        saveValueIntoCache(key,value);
    }

    return value;
]]></description><category></category></item><item><title><![CDATA[京东安全问题]]></title><link>https://blog.youkuaiyun.com/madding/article/details/29844895</link><guid>https://blog.youkuaiyun.com/madding/article/details/29844895</guid><author>madding</author><pubDate>Tue, 10 Jun 2014 15:12:33 +0800</pubDate><description><![CDATA[1.http://i.jd.com/user/petName/checkPetName.action?callback=&petNewName=taobao&_=?]]></description><category></category></item><item><title><![CDATA[openssl 证书操作命令]]></title><link>https://blog.youkuaiyun.com/madding/article/details/26717963</link><guid>https://blog.youkuaiyun.com/madding/article/details/26717963</guid><author>madding</author><pubDate>Fri, 23 May 2014 16:28:37 +0800</pubDate><description><![CDATA[# 查看KEY信息
> openssl rsa -noout -text -in myserver.key


# 查看CSR信息
> openssl req -noout -text -in myserver.csr


# 查看证书信息
> openssl x509 -noout -text -in ca.crt


# 验证证书
# 会提示self signed
]]></description><category></category></item><item><title><![CDATA[jradius响应超长且不稳定排查]]></title><link>https://blog.youkuaiyun.com/madding/article/details/24719089</link><guid>https://blog.youkuaiyun.com/madding/article/details/24719089</guid><author>madding</author><pubDate>Wed, 30 Apr 2014 08:44:45 +0800</pubDate><description><![CDATA[背景
    公司内部需要的]]></description><category></category></item><item><title><![CDATA[windows wifi tls认证分析]]></title><link>https://blog.youkuaiyun.com/madding/article/details/24468575</link><guid>https://blog.youkuaiyun.com/madding/article/details/24468575</guid><author>madding</author><pubDate>Fri, 25 Apr 2014 13:56:46 +0800</pubDate><description><![CDATA[1. 开启rsa日志：netsh ras set tracing * ENABLED
2.入网日志文件为：c:\windows\tracing\]]></description><category></category></item><item><title><![CDATA[jradius session lock引起的性能下降问题排查]]></title><link>https://blog.youkuaiyun.com/madding/article/details/24354487</link><guid>https://blog.youkuaiyun.com/madding/article/details/24354487</guid><author>madding</author><pubDate>Wed, 23 Apr 2014 11:59:05 +0800</pubDate><description><![CDATA[session lock影响性能
问题描述：
在我们使用jradius时，发现线上请求大于10 req/s时，jradius出现性能极差，部分请求响应大概要5s甚至更长才能响应出去。
分析过程：
1.发现是响应问题，我通过btrace分析几个时间关键点，发现我们自定义的auth handler响应基本能在20ms左右响应，但是整个处理结束需要5s，大部分出问题都是这种场景；
btrace]]></description><category></category></item><item><title><![CDATA[常用的rfc规范]]></title><link>https://blog.youkuaiyun.com/madding/article/details/24258881</link><guid>https://blog.youkuaiyun.com/madding/article/details/24258881</guid><author>madding</author><pubDate>Mon, 21 Apr 2014 16:03:50 +0800</pubDate><description><![CDATA[base16、32、64规范：
http://www.ietf.org/rfc/rfc3548.txt]]></description><category></category></item><item><title><![CDATA[debian系统常用功能备份]]></title><link>https://blog.youkuaiyun.com/madding/article/details/18302371</link><guid>https://blog.youkuaiyun.com/madding/article/details/18302371</guid><author>madding</author><pubDate>Wed, 15 Jan 2014 09:28:35 +0800</pubDate><description><![CDATA[1.变更默认浏览器： update-alternatives --config x-www-browser]]></description><category></category></item><item><title><![CDATA[常用证书格式转换]]></title><link>https://blog.youkuaiyun.com/madding/article/details/17299143</link><guid>https://blog.youkuaiyun.com/madding/article/details/17299143</guid><author>madding</author><pubDate>Fri, 13 Dec 2013 11:03:03 +0800</pubDate><description><![CDATA[openssl的证书格式转换





PKCS 全称是 Public-Key
Cryptography Standards ，是由 RSA 实验室与其它安全系统开发商为促进公钥密码的发展而制订的一系列标准，PKCS 目前共发布过 15 个标准。 

常用的有：

PKCS#7 Cryptographic Message Syntax Standard
PKCS#10 Ce]]></description><category></category></item><item><title><![CDATA[radius系列：freeradius测试]]></title><link>https://blog.youkuaiyun.com/madding/article/details/17277197</link><guid>https://blog.youkuaiyun.com/madding/article/details/17277197</guid><author>madding</author><pubDate>Thu, 12 Dec 2013 09:43:03 +0800</pubDate><description><![CDATA[常用工具：
radclient

radtest

radeapclient

eapol_test

jradius simulator
jradius编码


先简单备注下测试配置，后期再作说明：
服务器端配置如下：
## etc/raddb/users 用户配置
"madding" Cleartext-Password := "hell01234"

## et]]></description><category></category></item><item><title><![CDATA[自签证书问题梳理]]></title><link>https://blog.youkuaiyun.com/madding/article/details/17268165</link><guid>https://blog.youkuaiyun.com/madding/article/details/17268165</guid><author>madding</author><pubDate>Wed, 11 Dec 2013 18:49:00 +0800</pubDate><description><![CDATA[1.自签证书在freeradius提示错误：

error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag


发现主要是证书的中扩展属性的ASN编码的某个字段无法被openssl解析]]></description><category></category></item><item><title><![CDATA[radius系列：freeradius搭建]]></title><link>https://blog.youkuaiyun.com/madding/article/details/13292863</link><guid>https://blog.youkuaiyun.com/madding/article/details/13292863</guid><author>madding</author><pubDate>Mon, 28 Oct 2013 14:42:42 +0800</pubDate><description><![CDATA[freeradius搭建：
编译

./configure --prefix=/opt/install/freeradius-server-2.2.1

make 

make install

启动


radiusd –X

发起请求


bin/radtest madding 12345 localhost 0 testing123



抓包情况
总体]]></description><category></category></item><item><title><![CDATA[webx3.x之多语言支持扩展]]></title><link>https://blog.youkuaiyun.com/madding/article/details/12558849</link><guid>https://blog.youkuaiyun.com/madding/article/details/12558849</guid><author>madding</author><pubDate>Thu, 10 Oct 2013 11:22:59 +0800</pubDate><description><![CDATA[概述
本文讨论多言语在webx上的实现，其中提到的是多语言并非国际化，国际化需要包含的内容更多，多语言只是国际化中的一部分而已。
背景
1.新的海外业务起来，但是未完全成熟，需要不长期的多语言版本支持
2.同一个应用统一页面需要提供不同语言翻译
3.目前只是提供文案上的翻译，不提供或少量结构上的变化
思考
1.webx不在维护范围内，想东webx代码难，而且可能影响面比较大，所以排除]]></description><category></category></item><item><title><![CDATA[几个常用jvm配置]]></title><link>https://blog.youkuaiyun.com/madding/article/details/12013341</link><guid>https://blog.youkuaiyun.com/madding/article/details/12013341</guid><author>madding</author><pubDate>Wed, 25 Sep 2013 14:45:37 +0800</pubDate><description><![CDATA[高吞吐量网站：

-server -Xmx2g -Xms2g -Xmn1280m -XX:PermSize=196m -Xss1m -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInB]]></description><category></category></item><item><title><![CDATA[note6.webx 2.x之valve]]></title><link>https://blog.youkuaiyun.com/madding/article/details/8968553</link><guid>https://blog.youkuaiyun.com/madding/article/details/8968553</guid><author>madding</author><pubDate>Fri, 24 May 2013 10:03:19 +0800</pubDate><description><![CDATA[doing...]]></description><category></category></item><item><title><![CDATA[note5.webx 2.x之pipeline]]></title><link>https://blog.youkuaiyun.com/madding/article/details/8968548</link><guid>https://blog.youkuaiyun.com/madding/article/details/8968548</guid><author>madding</author><pubDate>Fri, 24 May 2013 10:02:35 +0800</pubDate><description><![CDATA[doing...]]></description><category></category></item><item><title><![CDATA[note4.webx 2.x之some service]]></title><link>https://blog.youkuaiyun.com/madding/article/details/8968536</link><guid>https://blog.youkuaiyun.com/madding/article/details/8968536</guid><author>madding</author><pubDate>Fri, 24 May 2013 10:00:29 +0800</pubDate><description><![CDATA[doing...

RequestContextChainService]]></description><category></category></item><item><title><![CDATA[note3.webx 2.x之serviceManager]]></title><link>https://blog.youkuaiyun.com/madding/article/details/8968521</link><guid>https://blog.youkuaiyun.com/madding/article/details/8968521</guid><author>madding</author><pubDate>Fri, 24 May 2013 09:58:35 +0800</pubDate><description><![CDATA[doing...]]></description><category></category></item></channel></rss>