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The Importance of Securing a Linux Web Server

Published on 2012/04/22, by in linux, sysadmin.

The Importance of Securing a Linux Web Server | Linux web hosting is popular but that also makes Linux a target for malware and other malicious hacking. Here is a write up pointing out some general best practices for Linux web servers: The Importance of Securing a Linux Web Server If you find this topic interesting, you may also be interested in Linux Boot

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Hak5 – How ssh Works

Published on 2012/04/21, by in sysadmin.

Hak5 – How ssh Works | This is an awesome episode of Hak5. Check it out

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Fun with SHODAN

Fun with SHODAN | Shodanhq.com is awesome. These are fun: http://www.shodanhq.com/search?q=X-Powered-By%3A+PHP%2F5.1.2 Many sites running old PHP from 2006. Edit as desired to find an old php target. http://www.shodanhq.com/search?q=X-AspNet-Version%3A+1.1.4322 Incredible how many sites still use ASP .NET 1.x http://www.shodanhq.com/search?q=%22cisco-ios%22+%22last-modified%22 Web management pages for Cisco devices that have authentication disabled. http://www.shodanhq.com/search?q=Server%3A+Microsoft-IIS%2F5.0+ IIS 5.0 http://www.shodanhq.com/search?q=Server%3A+Apache%2F1. Ancient versions of Apache still in use

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Security Dangers of Web Management Interfaces

Published on 2012/03/28, by in sysadmin.

Security Dangers of Web Management Interfaces | Web management interfaces are an often neglected area in regards to security. Here is a good write up demonstrating how easy it is to find vulnerable web management logins for hacking as well as some best practices: Security Dangers of Web Management Interfaces If you find this topic interesting, you may also be interested in

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Vanguard Web App Scanner – Detect XSS and SQL Injection

Published on 2012/03/22, by in sysadmin.

Vanguard Web App Scanner – Detect XSS and SQL Injection | Vanguard is a web app vulnerability scanner that checks your website for SQL injection and XSS. Vanguard is entirely in perl, so it is easy to modify for your needs. Vanguard works by first doing a port scan with nmap to determine if the host has available HTTP ports, next crawls the entire site, and

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How to Check Mail Server for SMTP Over TLS

Published on 2012/03/19, by in sysadmin.

How to Check Mail Server for SMTP Over TLS | Q. How can I check a server for SMTP over TLS? It is possible to have an SMTP connection use TLS from the sending server to the receiving server to add a pinch of security. Many banks and other security-minded corporations require this to send and receive email. To check the TLS capability of an

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Troubleshooting SSH Server Logs and Error Messages

Published on 2012/03/07, by in sysadmin.

Troubleshooting SSH Server Logs and Error Messages | ssh logs can have various messages that are all difficult to interpret as the exact meaning is all based on the situation or circumstance. Below are some general tips to keep in mind if you run across any of these messages in your logs! Example 1 If you see this, someone is trying random logins

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