Help Documentation

A repository of articles designed to help administrators get configured with NOC and troubleshoot common website and system issues.

Default Blocks in IPTables

This article explains how to create Default Blocks in IPTable rules.



Posted in Security_Tips   Security   Linux   IPTables     /   2022-06-24

Commenting in IPTables

This article explains how to create comments in IPTable rules.



Posted in Security_Tips   Security   Linux   IPTables     /   2022-06-24

A Basic Linux Security Checklist

This article provides 8 steps to creating a secure Linux server.



Posted in Security_Tips   Security   Linux   IPTables     /   2022-06-24

Enable SFTP on Ubuntu Server

This article explains how to configure SFTP on a linux server.



Posted in Security_Configurations   Linux   Security     /   2022-06-23

Troubleshooting Apache MultiView Option

This article provides some details on how to work with the Apache Multiview Option to handle file extensions.



Posted in Application_Tips   Troubleshooting   Apache     /   2022-06-23

ERROR 1064 (42000) at line 1 – Passing MySQL Create User Arguments via SSH

This article describes how to resolve Error 1064 when passing arguments to MySQL using SSH



Posted in Troubleshooting   MySQL     /   2022-06-17

MySQL – ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

This article describes how to troubleshoot MySQL when your password does not satisfy the current policy requirement.



Posted in Troubleshooting   MySQL     /   2022-06-17

NET::ERR_CERT_COMMON_NAME_INVALID When Moving SSL Certs Between Servers

This article describes how to troubleshoot errors when moving SSL certificates between servers.



Posted in Troubleshooting   SSL     /   2022-06-17

PHP-FPM Pool Setup: WordPress Requires FTP/SFTP User After Successful Configuration

This article describes how to troubleshoot errors with PHP-FPM, specifically with WordPress requiring FTP / SFTP.



Posted in Troubleshooting   WordPress   PHP-FPM     /   2022-06-17

PHP-FPM: ERROR: [pool [name1]] unable to set listen address as it’s already used in another pool ‘[name2]’

This article describes how to troubleshoot errors with PHP-FPM, specifically when another pool is already in use.



Posted in Troubleshooting   PHP-FPM     /   2022-06-17

Troubleshooting Random Connection Errors with a WAF/CDN

This article describes the process of troubleshooting connection issues with the NOC CDN.



Posted in Troubleshooting   CDN     /   2022-06-17

Proximity Routing

This article describes the process of configuring Proximity Routing with the NOC Authoritative DNS service.



Posted in Product   Feature   Authoritative_DNS     /   2022-06-16

High Availability (HA)

This article describes the process of configuring High Availability (HA) with the NOC Authoritative DNS service.



Posted in Product   Feature   Authoritative_DNS     /   2022-06-16

Content Delivery Network (CDN)

This article briefly explains the NOC CDN.



Posted in Product   Feature   CDN     /   2022-06-16

Automated Failover Recovery

This article describes the process of using the automated failover recovery feature with the NOC Authoritative DNS service.



Posted in Product   Feature   Authoritative_DNS     /   2022-06-16

Geo-Based Routing

This article describes the process of using the Geo-Based Routing feature with the NOC Authoritative DNS service.



Posted in Product   Feature   Authoritative_DNS     /   2022-06-16

CDN POP Locations

This article shows where NOC has points of presence (POP) for the CDN.



Posted in Product_Configuration   Feature   CDN     /   2022-06-16

Protect SSH with IP Authentication

This article explains how protect SSH using IP Authentication.



Posted in Product_Configuration   Feature   Security   SSH     /   2022-06-16

Continuous Monitoring

This article explains how to configure continuous monitoring with the NOC monitoring service.



Posted in Product_Configuration   Feature     /   2022-06-16

Working with UFW on Ubuntu

This article explains UFW and hows how to use it on Ubuntu.



Posted in Security_Configurations   Linux   Security   Ubuntu     /   2022-06-16

Install NMAP on Ubuntu

This article explains how to configure NMAP on a linux server.



Posted in Security_Configurations   Linux   Security   Ubuntu     /   2022-06-16

Apache – Configuring VirtualHosts on Ubuntu 18.04

This article explains how to configure VirtualHost files for Apache on Ubuntu 18.04.



Posted in Application_Tips   Linux   Apache   Ubuntu     /   2022-06-16

Auto-Update CentOS 7 Packages with Yum-Cron

This article explains how to apply autoupdates on a CentOS 7 linux distribution.



Posted in Application_Tips   Linux   CentOS_7     /   2022-06-16

Parse JSON Responses using Bash Scripts

This article explains how to parse JSON responses using Basch Scripts.



Posted in Application_Tips   Scripting     /   2022-06-16

Remove .php / .html extension from URL slug

This article explains how to remove .php and .html extensions from URL slugs.



Posted in Application_Tips   Troubleshooting   Apache     /   2022-06-16

Removing Index.php From the URL Slug in WordPress

This article explains how to reset the root password in MySQL when it is empty.



Posted in Application_Tips   Troubleshooting   WordPress     /   2022-06-16

Setting Root Password on MySql when it’s Empty

This article explains how to reset the root password in MySQL when it is empty.



Posted in Application_Tips   Troubleshooting   MySQL     /   2022-06-16

Binding Multiple IPv6 Addresses Automatically

This article explains how to bind multiple IPv6 addresses automatically.



Posted in Networking_Tips   Troubleshooting   Linux     /   2022-06-16

Blocking DNS requests via IPTables

This article explains how to block DNS requests using IPTables Firewall for Linux.



Posted in Networking_Tips   Troubleshooting   Linux   Firewall   IPTables   DNS     /   2022-06-16

Blocking HTTP requests via Iptables for a specific domain

This article explains how to block HTTP requests using IPTables Firewall for Linux.



Posted in Networking_Tips   Troubleshooting   Linux   Firewall   IPTables     /   2022-06-16

Capture POST Requests on Webserver / Website

This article explains how to capture the content of POST requests on an Apache web server.



Posted in Networking_Tips   Troubleshooting   Linux   Apache     /   2022-06-16

Inspecting DNS traffic via tcpdump

This article explains how to monitor and inspect traffic using TCPDump.



Posted in Networking_Tips   Troubleshooting   Linux   TCPDump     /   2022-06-16

Monitor the Status of OSSEC Service with a Bash Script

This article explains how to monitor the status of services on Linux using OSSEC as an example.



Posted in Networking_Tips   Troubleshooting   Scripting   Monitoring   OSSEC   Linux     /   2022-06-16

List UFW Rules When The Application is Inactive or Disabled

This article explains how to work with UFW, a Linux Firewall, and how to list active and inactive rules.



Posted in Networking_Tips   Troubleshooting   Firewalls   UFW   Ubuntu   Linux     /   2022-06-16

Using DIG to Query DNS Data

This article explains how to use the DIG command to query DNS data.



Posted in Networking_Tips   Troubleshooting   DIG     /   2022-06-15

Using NSLOOKUP to Query DNS Data

This article explains how to use the NSLOOKUP command to query DNS data.



Posted in Networking_Tips   Troubleshooting   NSLookup     /   2022-06-15

NOC: Add Dynamic DNS Record

This article explains how to use dynamic DNS records with the NOC authoritative DNS service.



Posted in Product_Configurations   NOC_Feature     /   2022-06-15

NOC: Restore Original IP for Visitors in Logs

This article explains how to configure a web server to record the original IP of the visitor vs the edge IP from the NOC CDN.



Posted in Product_Configurations   NOC_Feature   Troubleshooting     /   2022-06-15

NOC: Smart Routing w/ Enhanced Records - AuthDNS

This article explains how to use the smart routing and enhanced records with the NOC Authoritative DNS service.



Posted in Product_Configurations   NOC_Feature     /   2022-06-15

NOC: Alerting and Slack Integration

This article explains how to configure NOC to send alerts using Slack.



Posted in Product_Configurations   NOC_Feature     /   2022-06-15

How To Change Nameservers on Network Solutions

This article explains how to change the domain nameservers on the Network Solutions registrar.



Posted in Updating_Nameservers   Configurations   Hover     /   2022-06-15

How To Change Nameservers on Hover

This article explains how to change the domain nameservers on the Hover registrar.



Posted in Updating_Nameservers   Configurations   Hover     /   2022-06-15

How To Change Nameservers on NameCheap

This article explains how to change the domain nameservers on the NameCheap registrar.



Posted in Updating_Nameservers   Configurations   NameCheap     /   2022-06-15

How To Change Nameservers on GoDaddy

This article explains how to change the domain nameservers on the GoDaddy registrar.



Posted in Updating_Nameservers   Configurations   GoDaddy     /   2022-06-15

Configure with Liquid Web (Managed Woo / Magento)

This article explains how to configure NOC with LiquidWeb the host.



Posted in Host_Configurations     /   2022-06-15

Getting Started w/CDN

This article explains how to configure the NOC CDN.



Posted in CDN   Product   Features   Help     /   2022-06-15

Find Domain Registrar

This article explains how to find a domains registrar.



Posted in Registrars   Help     /   2022-06-15

Getting started w/Authoritative DNS

This article explains configure the Authoritative DNS service with your domain.



Posted in NOC   Product   Features   DNS   Setup     /   2022-06-15

Getting started Website Monitoring

This article explains configure the Authoritative DNS service with your domain.



Posted in NOC   Product   Features   DNS   Setup     /   2022-06-15

NOC - Activity Logging

This article explains how to view activity on the NOC platform.



Posted in NOC     /   2022-06-08

NOC - Set 2FA

This article explains how to set 2FA on the NOC platform.



Posted in NOC     /   2022-06-08

NOC - Change Password

This article explains how to change a password on the NOC platform.



Posted in NOC     /   2022-06-08

Troubleshooting DNS with Dig

How to troubleshoot issues with DNS using the DIG command in linux.



Posted in troubleshooting   dns     /   2022-06-08

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