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

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  • 20 Results
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    English
    Tech Talk

    Securing the Supply Chain for Kubernetes

    6 days agoBy Bikram Gupta
    DigitalOcean Managed KubernetesKubernetesSecurityTech Talks
    Tutorial

    How Fail2Ban Works to Protect Services on a Linux Server

    7 days agoBy Justin Ellingwood, Alex Garnett
    SecurityFirewallMonitoringConceptual
    Tutorial

    How To Protect an Nginx Server with Fail2Ban on Rocky Linux 8

    7 days agoBy Alex Garnett
    FirewallNginxRocky LinuxRocky Linux 8Security
    Tutorial

    How To Protect an Nginx Server with Fail2Ban on Ubuntu 20.04

    7 days agoBy Alex Garnett
    FirewallNginxSecurityUbuntuUbuntu 20.04
    Tutorial

    How To Protect an Nginx Server with Fail2Ban on Ubuntu 22.04

    7 days agoBy Alex Garnett
    FirewallNginxSecurityUbuntuUbuntu 22.04
    Tutorial

    How To Set Up Password Authentication with Nginx on Rocky Linux 8

    7 days agoBy Alex Garnett
    NginxRocky LinuxRocky Linux 8Security
    Tutorial

    How To Host a Website Using Cloudflare and Nginx on Ubuntu 22.04

    14 days agoBy anondon
    DNSNginxSecurityUbuntu 22.04
    Question

    Cleaning up Cypto Miner Infection on ubuntu 18 LTS

    2 answers15 days agoBy support
    DigitalOcean DropletsSecurityUbuntu 18.04
    Question

    Cant Secure MongoDb need help

    No answers yet17 days agoBy b3699d04c0e6-4b4f-afaf-3bd295
    FirewallMongoDBNetworkingSecurityUbuntu 20.04
    Question

    ERR_SSL_PROTOCOL_ERROR when making a request to my servers droplet IP

    1 answer17 days agoBy BubblyTurquoiseShrimp
    APIDigitalOcean DropletsInitial Server SetupSecurity
    Question

    UPdating the servers Erased Nginx and caused issues, please help

    1 answer18 days agoBy b3699d04c0e6-4b4f-afaf-3bd295
    NetworkingNginxSecurity
    Question

    Error presenting challenge: ingress.networking.k8s.io "nginx" not found

    No answers yet18 days agoBy sababzahra
    DigitalOceanKubernetesLet's EncryptNginxSecurity
    Question

    Question about disabling direct root logins

    1 answer22 days agoBy swadams
    DigitalOcean DropletsLinux CommandsSecurity
    Tutorial

    How To Set Up Password Authentication with Nginx on Ubuntu 20.04

    22 days agoBy Justin Ellingwood, Tony Tran
    NginxSecurityUbuntu 20.04
    Question

    Droplet stuck: how to determine what happened.

    2 answers24 days agoBy cuttlefish
    DigitalOcean DropletsSecurity
    Question

    How to expose a port on a DigitalOcean droplet to a dynamic IP?

    1 answer25 days agoBy nsadeh
    NetworkingSecurity
    Question

    SSH root not asks for password

    1 answer25 days agoBy Edu Leon
    Debian 10SecurityLinux Commands
    Tutorial

    How To Access Vault Secrets Inside of Kubernetes Using External Secrets Operator (ESO)

    28 days agoBy Daniel Hix
    DigitalOcean Managed KubernetesKubernetesSecurity
    Question

    HTTP redirecting, port forwarding, security headers questions

    No answers yet1 month agoBy b3699d04c0e6-4b4f-afaf-3bd295
    NetworkingNginxSecurity
    Question

    Concerned About Droplet Console Security

    1 answer1 month agoBy Kenny Chan
    DigitalOcean DropletsSecurity