ocsp

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Overview of the Windows AD Certificate Services Family---PKI (1)

request a certificate. Certificate revocation lists (CRLs) and online transponders:A.CRL is a list of digital signatures that are dedicated to revoked certificates. These manifests are periodically published, and the client receives and caches the manifest, and the cache time depends on the life cycle of the CRL, which is used to determine the revocation status of the certificate.B. Online transponders are part of the online Certificate Status protocol (O

OpenSSL source code structure

provided by each module. The files used by each module for error handling are generally * _ err.. c files.9) symmetric algorithms, asymmetric algorithms, and digest algorithm encapsulation (crypto/EVP directory ).10) HMAC (crypto/HMAC directory) implements MAC Based on symmetric algorithms.11) the hash table (crypto/lhash directory) implements the hash table data structure. In OpenSSL, many data structures are stored in a hash. For example, configuration information, SSL session, and ASN.1 obje

High Performance Browser Networking

Behavior performance checklist 3. Building Blocks of UDP Null Protocol Services UDP and Network Address translators Connection-state Timeouts NAT traversal STUN, TURN, and ICE Optimizing for UDP 4. Transport Layer Security (TLS) Encryption, authentication, and Integrity TLS handshake RSA, Diffie-hellman and Forward secrecy

Centos6.5firefox upgraded flashplayer to install adblockplus ad shielding plug-in

link. 1 #ln -s /usr/local/firefox/firefox /usr/local/bin/ /usr/local/sbin/ In this way, we will start firefox when entering firefox on the terminal. 5. Add a desktop shortcut so that you can click and use it on the desktop. For more information, see how to create a shortcut in CentOS6.5 install eclipse. Adobe flash player Installation Bytes 1.download install_flash_player_11_linux.x86_64.tar.gz 2. Extract 1 tar -zxvf install_flash_player_11_linux.x86_64.tar.gz

Patch OpenSSL enables it to support chach20_poly1305 encryption algorithms

The current version of OPENSSL-1.0.2J does not support Google's CHACHA20 encryption algorithm. The CHACHA20 encryption algorithm is relatively safe relative to RC4, and is optimized for ARM's mobile phone, making it faster and more power-saving.However, the latest Intel processors and ARM V8 processors are optimized for AES-GCM encryption algorithms through the AES-NI instruction set, which is much faster than chacha20, so the Aes-ni encryption algorithm is preferred on devices that support AES-

HTTPS Knowledge Summary

the HTTP connection phase, let the browser walk 307 to HTTPS, rather than walk 302 (more than one RTT), and hsts can cache, pre-read, so that the next time the browser to access the specified site by default to go first https. OCSP stapling: Before the TLS handshake, it is mentioned that the client needs to confirm the validity of the certificate to the CA, which is also a complete HTTP request. The OCSP

centos6.5 Firefox upgrade Flash Player install Adblock Plus ad Shield plugin installation

, but recently out of an OCSP response contains outdated information errors, so you can not directly install plug-ins, it is said that the matter of GFW, certificate expired What, is not very clear, you can refer to Firefox to resolve the OCSP response contains outdated information issuesBased on the content of the above post, we can add relevant entries in the Hosts fileVi/etc/hostsInsert the following ent

10 tips for Improving Web site performance development

. Data compression Compression technology is a huge potential performance accelerator. Its main role is reflected in the picture, video or audio files, can be efficient compression processing. 5. Optimize SSL/TLS access Although Ssl/tls is becoming more and more popular, its impact on performance should also be taken seriously. Its impact on performance is mainly reflected in two aspects: The initial handshake is unavoidable whenever a new connection is turned on, that is, the browser needs to u

Windows 2008 PKI Combat 3: Certificate Services

of Windows Server 2008. The default monitor displays the current processor usage. It's not needed in our demo. To add a performance monitor, we click the Add Counter button in the toolbar. The list of available counters displays all available counters in the operating system. Today we are going to focus on Certificate Services. By expanding the CA you will see a list of available options. These options will give us a better understanding of those configuration options that are best for a part

EJBCA 3.0 Open Source CA system software Research

with specific user rights and user groupsCertificates can be configured for different types and content of certificatesEntity configuration for different types of usersFollow X509 and PKIX (RFC3280) standardsCRL SupportFull support for OCSP, including AIA extensionsCRL generation and URL based CRL distribution points follow RFC3280, which can store certificates and CRLs (processed by Application Server) in any SQL database.Optional multiple publisher

Maybe it's the most real tutorial on Nginx configuration HTTP2.

-sha384:d He-rsa-aes128-gcm-sha256:ecdhe-rsa-aes256-sha384:ecdhe-rsa-aes128-sha256:ecdhe-rsa-aes256-sha: Ecdhe-rsa-aes128-sha:dhe-rsa-aes256-sha256:dhe-rsa-aes128-sha256:dhe-rsa-aes256-sha:dhe-rsa-aes128-sha: ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES256-GCM-SHA384:AES128-GCM-SHA256:AES256-SHA256:AES128-SHA256: aes256-sha:aes128-sha:des-cbc3-sha:high:!anull:!enull:! export:! camellia:! Des:! md5:! Psk:! RC4 ';Mitigating BEAST attacksSsl_prefer_server_ciphers on;* * Enable hsts**This jumps d

Linux netstat Command introduction

errorsudplite:ipext: in noroutes:991 inmcastpkts:24308 outmcastpkts:2353 inbcastpkts:630615 outbcastpkts:1546 inoctets:755319900 outoctets:296705252 inmcastoctets:2908748 outmcastoctets:93173 inbcastoctets:99500419 outbcastoctets:2999803.10 Show Pid/process name Netstat-p-P can be used with other parameters such as displaying process ID information for TCP[Email protected] jiehun]# netstat-ptactive Internet connections (w/o servers) Proto recv-q send-q Local Add

SSL Certificate Management: Practical Guide

. Many public CAS now only sign 2048-bit keys, but 1024-bit or even 512-bit keys are used in internal applications. • Key usage. Unless you are doing something fuzzy, at least this should include Transport Layer Security Web Server Authentication and TLS Web client authentication. • Certificate Revocation List (CRL) and Online Certificate Status Protocol (OCSP) distribution point. Some clients perform more real-time checks on certificates to ensure th

Broadband man Overview

Authorization Service Support Platform. This model builds a network trust domain and management system with clear responsibilities, convenient management, and full coverage of the entire system. (1) Certificate Service SystemBased on the key management (KM) system, the Certificate Service System provides digital certificate application and review services through CA, certificate review registry (RA), and so on. (2) Certificate query and Verification Service SystemThe certificate query and verif

Preliminary Research on EJBCA 3.0

groups You can configure certificates of different types and contents. You can configure objects for different types of users. Complies with X509 and PKIX (RFC3280) Standards Supports CRL Fully supports OCSP, including AIA Extension CRL generation and URL-based CRL distribution points follow RFC3280 and can store certificates and CRL in any SQL database (processed by the Application Server ). Multiple publishers are available to publish certif

Bouncy Castle (Java jar)

Bcmail), the jar files does not need to being signed to work. You can rebuild them with debug turned on, or operate directly from the source, if you need. Providers with Debug JDK 1.5-JDK 1.8 Bcprov-debug-jdk15on-153.jar Bcprov-ext-debug-jdk15on-153.jar JDK 1.4 Bcprov-debug-jdk14-153.jar Bcprov-ext-debug-jdk14-153.jar Sources and JavaDoc pkix/cms/eac/pkcs/

Multiple MySQL SSL configurations and mysqlssl configurations

ensure that these tools are still usable after SSL is deployed and can provide keys for implementation. Then use a non-Diffie-Hellman (DH) password, or use other sources, such as performance_schema and slow query log. It depends on which application supports the password, it may also contain some Server Load balancer settings. What is the difference between SSL in MySQL and SSL in browsers? The browser has a CA Trust List by default, but MySQL does not. This is their biggest difference. MySQL a

Netstat command introduction-to use cooked

servers) Proto Recv-Q send-q Local address Foreign address State Pid/Program name TCP0 0 192.168.0.52:44784 123.150.49.20: http Fin_wait24207/VirtualBox TCP0 0 192.168.0.52:46715ie-inch-f125.1e100.net:https established4207/VirtualBox TCP0 0 192.168.0.52:43415Geotrust-ocsp-mtv.veri:http Fin_wait24207/virtualbox3.11 hosts, ports and usernames (host, port, or user) are not displayed in the Netstat output when you do not want the

Common deployment problems and solutions for HTTPS

this time, please go to the Nginx ssl_ct_static_scts configuration specified directory, check the size of the SCT file is normal, especially to pay attention to the existence of empty files.Note that, according to the official announcement, from December 1, 2016, Google's Aviator CT Log service will no longer accept new certificate requests. When you manually obtain the SCT file with tools such as Ct-submit, do not use the Aviator service, or you will get an empty file.This article links: https

"Turn" A Technical Comparison of TTLS and PEAP

Cisco Authentication Methods Client certificates ANY[1] Any EAP method[2] Protocol Operations BASIC protocol Structure Establish TLS session and validate certificates on both client and server Phases: (1) Establish TLS between client and TTLS server (2) Exchange Attribute-value pairs between client and server Parts: (1) Establish TLS between client and PEAP server (2) Run EAP Exchange over TLS tunnel Fast

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