A guide to fix Logjam vulnerability in Apache HTTP & Nginx webserver Introduction Logjam vulnerability is found in TLS libraries (EXPORT cipher) on 20th May 2015 by team of computer scientists at CNRS, Inria Nancy-Grand Est, Inria Paris-Rocquencourt, Microsoft Research, Johns Hopkins University, University of Michigan, and the University of Pennsylvania: David Adrian, Karthikeyan Bhargavan, Zakir Durumeric,Pierrick Gaudry, Matthew…
Last week, I was setting up Nginx and while compiling I encountered an error, which I was able to resolve as follows. I thought to document so others can be benefited from it. [[email protected] nginx-1.6.3]# ./configure –prefix=/apps/nginx –add-module=./ngx_cache_purge-2.3 –add-module=./headers-more-nginx-module-0.25/ checking for C compiler … not found ./configure: error: C compiler cc is not found Solution…
Does your website safe from FREAK Attack? Web Security is happening subject these days. There is always something to keep Security Expert busy and vulnerabilities name is a bit catchy like Heart Bleed, Poodle, and now Freak Attack. In this guide, I will explain how to identify if your website is affected and the procedure…
One of the essential for a system administrator to know is how to configure service at boot, so when a server gets a reboot, they start automatically. There could be various reasons for server reboot, including the following. Scheduled for weekly, monthly Unexpected due to hardware/kernel issue By doing the right configuration, you don’t have…
Learn what netstat command and some of the real-time examples are. netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Linux, Unix-like, and Windows operating systems. netstat is powerful and can be a handy tool to troubleshoot network-related issues and verify connection statistics….
Redirecting requests from a non-preferred domain is important because search engines consider URLs with and without “www” as two different websites. It creates a duplicate entry, which is not suitable for SEO. I noticed this when I analyzed my site with an SEO tool, thought to share it with you all. There are many ways…
Go HTTPS; it doesn’t cost anything, and yet you get search engine ranking and security. HTTPS should be everywhere, and lately, Google has considered this as a ranking signal to their search engine results. There are two primary reasons you should consider securing your website with an SSL certificate. Security – to ensure sensitive data…
While working on Oracle HTTP Server, one of the errors I encountered following while starting the instance immediately after installation. “[alert] (22) Invalid argument : setgid : unable to set group id to Group 4294967295” Are you in the same situation as I was? It sounds funny, but Group directive in httpd.conf is commented by…
A practical guide to hardening and secure Apache Tomcat Server with the best practices. Tomcat is one of the most popular Servlet and JSP Container servers. It’s used by some of following high traffic websites: LinkedIn.com Dailymail.co.uk Comcast.net Wallmart.com Reuters.com Meetup.com Webs.com Below chart shows the market position of Tomcat in the Java application server….
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