MySQL 5.7 comes with enhancements which makes a deployment secure by default. These features try to minimize attack surface as much as possible without hampering usability aspect. They are useful for novice user because they help close common security loopholes which can be leveraged by an attacker.… Source: mysqlserverteam.com
The following is adapted from a talk given by Matt Williams at nginx.conf 2015, held in San Francisco in September. This blog post is the second of two parts, and is focused on caching and monitoring; the first part, focused on load balancing, can be found here. You can view the presentation slides or watch the video of the complete talk. Table of Contents – Part I, Load Balancing (previous post) 1:45 Benefits of Load Balancing/Caching 2:58 Load Balancing Methods 7:02 Which Method Should You Choose? 10:58 FYI Load Balancing 15:05 How to Ensure Session Persistence Table of Contents – Part II, Caching and Monitoring (this post) 17:08 Caching 19:33 FYI Caching 21:09 FYI Tuning 23:46 How to Find the Right Configuration 25:17 Why Monitor 26:30 Datadog 27:50 NGINX Monitoring Tools 28:40 Tools to Test With 29:45 Key Metrics 30:29 [ more… ]
iptables 를 이용한 포트 리다이렉션 원하는 내용 OS : linux 기본 smtp 포트는 25번을 사용하되, 587에서의 접근을 허용하고자 함 다만, 메일엔진에서 설정하지 않고 리눅스의 iptables만을 가지고 처리 하고 싶다면… 설정 echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A PREROUTING -p tcp –dport 587 -j REDIRECT –to-port 25 기존에 작동하는 25번 포트는 변동 사항이 없으며 추가로 587 포트에 대해서 접근을 요청시 25포트로 리다이렉션 해줌 테스트 사용툴 : terminal & telnet # telnet 192.168.0.111 587 Trying 192.168.0.111… Connected to 192.168.0.111. Escape character is ‘^]’. 220 office.ilaya.com ESMTP Sendmail 8.14.7/8.14.7; Tue, 29 Dec 2015 11:39:37 +0900
In today’s world, having a scalable and reliable web infrastructure is crucial to your site’s success. Monitoring NGINX Plus performance and the health of your load-balanced applications is critical, and acting on these metrics enables you to provide a reliable and satisfying user experience. Knowing how much traffic your virtual servers are receiving and keeping an eye on error rates allows you to triage your applications effectively. NGINX Plus includes enterprise-ready features such as advanced HTTP and TCP load balancing, session persistence, health checks, live activity monitoring, and management to give you the freedom to innovate without being constrained by infrastructure. The live activity monitoring feature (implemented in the NGINX Plus Status module) makes it easy to get key load and performance metrics in real time. The large amount of useful data about the traffic flowing through NGINX Plus is available both on the built-in [ more… ]
Oracle WebLogic Server is one of the world’s most popular enterprise-level Java EE platforms. The resilient, event-driven architecture of NGINX and NGINX Plus make them a reliable, scalable, and high-performance solution for effectively load balancing your WebLogic Server applications. The open source NGINX software acts as a reverse proxy, load balancer, and content cache, as well as providing an extra layer of security and handling termination of SSL traffic for your WebLogic Server applications. NGINX Plus builds on NGINX with advanced load‑balancing algorithms, application‑specific health checks, dynamic scalability with the on‑the‑fly reconfiguration API, and a live activity monitoring dashboard and API that provides valuable metrics about the traffic flowing through NGINX Plus. To help customers get the most out of their WebLogic deployments, NGINX, Inc. has published a new deployment guide, Using NGINX and NGINX Plus to Load Balance Oracle WebLogic Server. This guide [ more… ]
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