Tag: Attack

Why Did the Server Block My IP?

Posted on March 4, 2020 by David Singer

Category: Common Fixes | Tags: Access, Attack, Block, Brute Force, Command-line, Common Questions, Connection, Connection Issues, CSF, Email, Failed Login, FTP, IP, IP Address, Linux Commands, Mac, Malware, Monitoring, Network Utility, PowerShell, Remote Access, SFTP, SMTP, Spam, Status, Unblock, Unblock IP, Windows, Windows Command, Windows Command Processor

Reading Time: 6 minutes

In this article, we will discuss how and why a VPS server or Dedicated server might block an IP address and how to resolve it.

When your company hosts a website or web app online, whether it’s an individual dedicated server or a whole server cluster, you naturally expect to have uninterrupted access at all times. However, it’s possible that in rare circumstances, your server could accidentally block your IP and prevent you from connecting and using the service.

Continue reading →

What Indicates A Compromised Website?

Posted on February 25, 2020 by Danny Jensen | Updated: March 4, 2021

Category: Tutorials | Tags: Attack, Attacker, Backup Restoration, Backups, Blacklisted, Code Injection, Compromise, Compromised, Compromised Website, Credentials, Data Theft, Encoding, Firewall, Form, Harmful Code, Homograph Attack, Injected, Injection, Malicious, Malicious Code, Malicious Script, Malware, Missing Content, Passwords, Permission, Plugin, Ransom, Ransomware, Redirection, Scan, Script, Security Warning, Slow Website, Source Code, Spyware, Suspicious, theme, Vandalized Website

Reading Time: 6 minutes

Introduction

What happens when a site is compromised? How quickly can you respond when you recognize the signs that something is amiss? In today’s article, we will explore some of the more common indicators of a compromised website, how you can spot it, and how to act on it in a timely manner.

Continue reading →

Install Fail2Ban On CentOS 7

Posted on December 13, 2019 by David Singer

Category: Tutorials | Tags: Attack, Brute Force, CentOS, CentOS 7, EPEL, Fail2Ban, Firewall, Firewalld, GitHub, Security, Security Practices, SSH, Systemctl

Reading Time: 3 minutes

What Is Fail2Ban?

Fail2ban is an open-source software that actively scans the servers log files in real-time for any brute force login attempts, and if found, summarily blocks the attack using the servers firewall software (firewalld or iptables). Fail2Ban runs as a background process and continuously scans the log files for unusual login patterns and security breach attempts.

Continue reading →