Nikto is an open-source web server scanner designed to perform comprehensive tests on web servers. It checks for vulnerabilities like dangerous files, outdated software, and misconfigurations. A common command to initiate a scan is:
nikto -h http://example.com
However, if you encounter errors such as “This site can’t be reached” or “DNS_PROBE_FINISHED_NXDOMAIN,” it may indicate issues with the target URL or DNS resolution. Always ensure the target URL is valid and accessible. For instance, a proper target URL should look like http://example.com.
Basic Command to Scan a Web Server:
nikto -h http://example.com
Customizing Nikto Scans:
Nikto offers various options to tailor your scans to specific needs. Here are a few examples:
- Save Scan Results to a File:
nikto -h http://example.com -output scan_results.txt
Scan with SSL:
nikto -h https://example.com -ssl
Scan Multiple Ports:
nikto -h http://example.com -port 80,443,8080
Update Nikto’s Database:
nikto -update
Scan with Evasion Techniques:
nikto -h http://example.com -evasion 1
Scan Using a Specific Plugin:
nikto -h http://example.com -Plugins apache_expect_xss
What Undercode Says:
Nikto is an indispensable tool for cybersecurity professionals, especially those focusing on web server security. Its ability to detect vulnerabilities, misconfigurations, and outdated software makes it a must-have for securing web applications.
Integrating Nikto with Other Tools:
- Using Nmap and Nikto Together:
nmap -p 80,443,8080 example.com nikto -h http://example.com -port 80,443,8080
Automating Scans with Cron Jobs:
Schedule Nikto to run daily for continuous security monitoring:
0 2 * * * /usr/bin/nikto -h http://example.com -output /var/log/nikto_scan.log
Additional Tips:
- Always update Nikto’s database to stay up-to-date with the latest vulnerability checks.
- For more information, visit the official Nikto documentation.
By combining Nikto with other tools and regular updates, you can build a robust defense against web-based threats. Stay vigilant and proactive to keep your systems secure!
