CISSP-ISSAP: Information Systems Security Architecture Professional

By ISC · Question Mode

QuestionQ24

VerifiedInfrastructure and System Security

Which of the following firewall ports must be open for a VPN connection that uses the Point-to-Point Tunneling Protocol (PPTP)?

Explanation

PPTP uses TCP port 1723 for its control connection. Although PPTP also requires GRE traffic for tunneling, TCP 1723 is the applicable firewall port listed.

Community Discussion

No comments yet. Be the first to start the discussion!