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An engineer must investigate the problems on a web application and address them to related teams. The engineer verifies the application reachability from the single public IP

dress with port and discovers that HTTPS access works to three servers of a network farm with IP 172.16.50.1 .2 and .4. but HTTPS access to the server with IP 172.16.50.3 does : work. Which problem type must be addressed as the cause for the case?

A.

VPN connectivity

Answers
A.

VPN connectivity

B.

NAT

Answers
B.

NAT

C.

blocked transport port

Answers
C.

blocked transport port

D.

proxy

Answers
D.

proxy

Suggested answer: C

Explanation:

The issue described indicates that HTTPS (port 443) access is not working for one specific server (172.16.50.3) in the network farm, while it works for the others. This suggests that the transport port (port 443) might be blocked or filtered for this particular server.

Transport Port Blocking: Network firewalls or security groups might block specific ports for certain IP addresses.

Server Configuration: The server might not have the necessary configuration to accept HTTPS connections on port 443.

Troubleshooting: Verifying firewall rules, security group settings, and server configurations can help identify and resolve the issue.

Network Troubleshooting Guide: Troubleshooting Network Issues

asked 07/10/2024
Jonny McKitrick
40 questions
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