CompTIA
XK0-006 · Question #3
While hardening a system, an administrator runs a port scan with Nmap, which returned the following output: Which of the following is the best way to address this security issue?
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Security Best Practices
Question
While hardening a system, an administrator runs a port scan with Nmap, which returned the following output:
Which of the following is the best way to address this security issue?
Exhibit
Options
- AConfiguring a firewall to block traffic on port 23 on the server
- BChanging the systems administrator's password to prevent unauthorized access
- CClosing port 80 on the network switch to block traffic
- DDisabling and removing the Telnet service on the server
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Topics
#Telnet#port scanning#service hardening#Nmap