Security
Any server on a public network can become the target of hackers. Thus, knowing how to ensure a system’s security is an important responsibility for anyone working with a server. From initial server setup to scaling and server maintenance, security is a vital and ever-changing consideration.
featured tutorialHow To Install Suricata on Ubuntu 20.04
Suricata is a Network Security Monitoring (NSM) tool that uses sets of community created and user defined signatures ...
Jamon Camisso • Published on October 25, 2021 · Updated on October 22, 2021
featured tutorialUFW Essentials: Common Firewall Rules and Commands
UFW (uncomplicated firewall) is a firewall configuration tool that runs on top of iptables, included by default withi...
Mitchell Anicas, and Erika Heidi • Published on August 20, 2015 · Updated on December 15, 2021
featured tutorialHow to Set Up Squid Proxy for Private Connections on Ubuntu 20.04
Proxy servers are a useful way of caching or obfuscating web traffic. This means that web requests can be served from...
Alex Garnett • Published on January 6, 2022
20 Results
Newest
All time
English
How To Set Up a Firewall with UFW on Debian 10
0 days ago • By Hazel Virdó, Brian Boucheron, Kathleen Juell
SecurityFirewallNetworkingDebianDebian 10
QuestionBlock Countries using UFW or Fail2Ban? Or Block IP if login failed & outside exempt countries?
2 answers • 5 days ago • By twc8ac35a8636
ApacheDigitalOcean Cloud FirewallsSecurityUbuntu 22.04WordPress
TutorialHow To Secure React Applications Against XSS Attacks with HTTP-Only Cookies
8 days ago • By Amir Ghorbanian
JavaScriptReactSecurityDocker
QuestionIf http requests are routed to https, does a bad security "score" for http matter?
2 answers • 9 days ago • By SmallNavyBoat
Security
TutorialHow To Secure Nginx with Let's Encrypt on CentOS 7
28 days ago • By Mitchell Anicas
SecurityLet's EncryptNginxCentOS
TutorialHow To Secure Nginx with Let's Encrypt on Debian 11
28 days ago • By Alex Garnett
NginxSecurityUbuntuUbuntu 22.04
QuestionHow to setup strongswan client on openwrt 22.03
No answers yet • 1 month ago • By LovableDarkCyanShark
FirewallNetworkingSecurityUNIX/LinuxVPN
TutorialHow To Secure a Containerized Node.js Application with Nginx, Let's Encrypt, and Docker Compose
1 month ago • By Kathleen Juell
DockerSecurityNode.jsLet's EncryptUbuntu 18.04
TutorialHow To Secure Apache with Let's Encrypt on Debian 11
2 months ago • By Kathleen Juell, Mark Drake, Erika Heidi, Jeanelle Horcasitas
ApacheDebian 11Let's EncryptSecurity
Tech-talkSecuring the Supply Chain for Kubernetes
2 months ago • By Bikram Gupta
DigitalOcean Managed KubernetesKubernetesSecurityTech Talks
TutorialHow Fail2Ban Works to Protect Services on a Linux Server
2 months ago • By Justin Ellingwood, Alex Garnett
SecurityFirewallMonitoringConceptual
TutorialHow To Protect an Nginx Server with Fail2Ban on Rocky Linux 8
2 months ago • By Alex Garnett
FirewallNginxRocky LinuxRocky Linux 8Security
TutorialHow To Protect an Nginx Server with Fail2Ban on Ubuntu 20.04
2 months ago • By Alex Garnett
FirewallNginxSecurityUbuntuUbuntu 20.04
TutorialHow To Protect an Nginx Server with Fail2Ban on Ubuntu 22.04
2 months ago • By Alex Garnett
FirewallNginxSecurityUbuntuUbuntu 22.04
TutorialHow To Set Up Password Authentication with Nginx on Rocky Linux 8
2 months ago • By Alex Garnett
NginxRocky LinuxRocky Linux 8Security
TutorialHow To Host a Website Using Cloudflare and Nginx on Ubuntu 22.04
2 months ago • By anondon
DNSNginxSecurityUbuntu 22.04
QuestionCleaning up Cypto Miner Infection on ubuntu 18 LTS
2 answers • 2 months ago • By support
DigitalOcean DropletsSecurityUbuntu 18.04
QuestionCant Secure MongoDb need help
No answers yet • 2 months ago • By b3699d04c0e6-4b4f-afaf-3bd295
FirewallMongoDBNetworkingSecurityUbuntu 20.04
QuestionERR_SSL_PROTOCOL_ERROR when making a request to my servers droplet IP
1 answer • 2 months ago • By BubblyTurquoiseShrimp
APIDigitalOcean DropletsInitial Server SetupSecurity
QuestionUPdating the servers Erased Nginx and caused issues, please help
1 answer • 2 months ago • By b3699d04c0e6-4b4f-afaf-3bd295
NetworkingNginxSecurity