A security team informs the Linux administrator that a specific sever is acting as a n pen relay. To which of the following is the security team referring?

Question

Accepted Answer

D. The server has an email service configured to allow outside sources to send email to other An open relay specifically refers to an SMTP email server that lacks proper authentication controls, allowing any external host to send email through it to arbitrary recipients - this is the textbook definition of an open relay, commonly exploited by spammers to obscure the true origin of malicious email.

Answer

A. The server it running the SSH service and is open to the internet allowing outside sources to An SSH service exposed to the internet is a remote access vulnerability, not an open relay, which is strictly an email (SMTP) forwarding misconfiguration.

Answer

B. The server is acting as an unmanaged router, open to the internal and is allowing outside An unmanaged router acting as an IP forwarder is a network routing security issue, not an open relay, which is specific to email services.

Answer

C. The server is acting as a web proxy and allowing outside unauthenticated sources to connect An open web proxy allows unauthenticated users to route HTTP traffic, which is a separate and distinct vulnerability from an open email relay.

A security team informs the Linux administrator that a specific sever is acting as a n pen relay. To which of the following is the security team referring?

Question

Options

How the community answered

Why each option

Topics

Community Discussion