156-587 · Question #31
Which of the following inputs is suitable for debugging HTTPS inspection issues?
The correct answer is B. fw ctl debug -m fw + conn drop cptls. fw ctl debug -m fw + conn drop cptls is the correct command because it invokes the Check Point kernel debug engine (fw ctl debug), targets the firewall module (-m fw), and enables the conn, drop, and cptls debug flags - the cptls flag specifically traces the Check Point TLS…
Question
Which of the following inputs is suitable for debugging HTTPS inspection issues?
Options
- Afw debug tls on TDERROR_ALL_ALL=5
- Bfw ctl debug -m fw + conn drop cptls
- Cvpn debug cptls on
- Dfw diag debug tls enable
How the community answered
(59 responses)- A3% (2)
- B78% (46)
- C5% (3)
- D14% (8)
Explanation
fw ctl debug -m fw + conn drop cptls is the correct command because it invokes the Check Point kernel debug engine (fw ctl debug), targets the firewall module (-m fw), and enables the conn, drop, and cptls debug flags - the cptls flag specifically traces the Check Point TLS engine responsible for HTTPS inspection. Option A is wrong because TDERROR_ALL_ALL=5 is a debug verbosity syntax used with VPN IKE debugging (e.g., vpn debug ikeon), not HTTPS inspection. Option C is wrong because vpn debug targets the VPN/IPsec subsystem, not the HTTPS inspection engine, even though cptls appears in the syntax. Option D (fw diag debug tls enable) is not a valid Check Point command - fw diag is not the correct utility for enabling TLS inspection traces.
Memory tip: Think "kernel controls TLS" - fw ctl debug is the kernel-level tool, and cptls = CheckPoint TLS. Whenever you see HTTPS/SSL inspection issues, reach for fw ctl debug with cptls, not the VPN debug tools.
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