Normal Cloud Server, VPS etc does not face so much problem than a dedicated server or a colocation server. The possible reason is chance of success is more to get a server down in case of dedicated server or a colocation server. That pam_unix(sushi:auth): authentication failure SSH Flood is result of huge amount of continuous brute force attack on port. Here is How to Quickly Fix … [Read more...]
Computer and Internet
Computer and Internet is catchall section of core computing categories including Cloud Computing, Digital Photography, Virtualization, Networking, Protocols and Others' which are not otherwise more subcategorized. Here also you will get unique articles and news on computer hardware, Software, Networking and Protocols.
Steps to Create & Add DANE TLSA Record
It is sounds easy but it is difficult because of lack of proper guides on Internet. Here Are the Steps to Create & Add DANE TLSA Record From TLS/SSL Certificate in Command Line Interface on SSH and Add on Your DNS Record. In previous article we talked about DANE and TLSA Record. Before You Jump to the Steps to Create & Add DANE TLSA Record You should have DNSSEC … [Read more...]
What is DANE Protocol?
Previously we discussed about DNSSEC. DNSSEC is a method of authenticating DNS records that also uses a chain of trust. The trust structure is identical to the DNS hierarchy. But What is DANE Protocol? DANE stands for DNS-based Authentication of Named Entities. DANE Uses the DNS System to Store Fingerprint to Certify Which CA the Domain Uses to Protect From Security Breeches. DANE is a network … [Read more...]
Fix : PHP7 Nginx Sudden 404 and recv() failed 104: Connection reset
Suddenly your whole WordPress website may show Nginx 404 errors. It is very scary and whoever you'll complain, all will blame you. If you are running PHP7 Nginx on Ubuntu 16.04 LTS, there is less to fear. A simple reboot will work fine. Here is Somewhat Fix of PHP7 Nginx Sudden 404 With Log recv() failed 104: Connection reset by peer. 12 Hourly Manually Check Your App on PHP7. I Need … [Read more...]
How to Sign Git, Github Commits With GPG For Security
Days are not good, NSA or other Governmental agencies can add vulnerability on your patches, repo which many peoples may use. It is Not Safe to Commit All on VPS or Cloud Server Hosted Git Without Signing At All. Here is How to Sign Git, Github Commits With GPG For Security. Previously we talked about GNU PG, GPG on Facebook (do not laugh, Facebook about page is ONLY for showing your Public Key), … [Read more...]
Update letsencrypt to certbot (Ubuntu letsencrypt 16.04 Error Fix)
Previously, we wrote how to easily install Let's Encrypt SSL Certificate. Here Are Steps To Update letsencrypt to certbot For the Users Who Used Former Before letsencrypt Became certbot. It is Mandatory For Ubuntu 16.04 LTS. Ubuntu has old apt version agent. Such users who used apt-get install letsencrypt should follow this guide too. Why Follow The Steps To Update letsencrypt to … [Read more...]
Easy Steps To Setup Let’s Encrypt on Ubuntu 16.04, Nginx
Some of the readers of this website asked for a guide on Let's Encrypt on Ubuntu 16.04. Here Are Easy Steps To Setup Let's Encrypt on Ubuntu 16.04, Nginx With HSTS, ALPN on HTTP/2, OCSP Stapling, Public Key Pinning (HPKP), Cipher. Needless to say - Let's Encrypt is free SSL certificate. You need not to read guides on the same various web hosts. They have wrongs and some stuffs are copy-pasted from … [Read more...]
Big Data : Apache Spark Growing as Predicted
Growth drivers of Hadoop is the strong demand from the enterprise sector - ICT, banking & Government. Apache Spark is growing as predicted. All sectors interested in Big Data and Apache Spark is growing as predicted. Apache Spark is one of the most popular solutions in the enterprise - Big Data. With regards to growth rates in the market, Hadoop remains first on the list. Big … [Read more...]
Nginx Content Security Policy Example Syntax For Normal Websites
We discussed about Content Security Policy before - Content Security Policy for adding report-uri. Readers are complaining that many sites are proving snippets which are throwing odd errors in Nginx, like nginx: [emerg] invalid number of arguments in "add_header", nginx: [emerg] invalid parameter "self", nginx: [emerg] unexpected "s". So, Here is Nginx Content Security Policy Example Syntax For … [Read more...]
Why CentminMod for HTTP/2 Ngnix LEMP Setup is Practical
CentminMod originally was just a script to automate LEMP setup. Typing commands on SSH is usually suggested for own production servers for various reasons. Indeed we have few thousands guides on them. But, Today We Will Discuss an Opposite Matter - The Reasons Why CentminMod for HTTP/2 Ngnix LEMP Setup is Practical For Cloud Server or Dedicated Server. After many testing, we noticed that … [Read more...]
Rowhammer Exploit Threatens Cloud Virtual Machines
Row hammer / rowhammer can open the way to the memory cells to leak their charges and interact electrically within them. Each bit of stored data occupies a separate memory cell that is electrically implemented with one capacitor and one transistor in DRAM - charged or discharged of a capacitor determines whether a DRAM cell stores binary value as 1 or 0. So it is happening at hardware level. … [Read more...]