The Juniper SRX Services Gateway Firewall must generate audit records when unsuccessful attempts to access security zones occur.

From Juniper SRX SG ALG Security Technical Implementation Guide

Part of SRG-NET-000493-ALG-000028

Associated with: CCI-000172

SV-80795r1_rule The Juniper SRX Services Gateway Firewall must generate audit records when unsuccessful attempts to access security zones occur.

Vulnerability discussion

Without generating log records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident, or identify those responsible for one.Access for different security levels maintains separation between resources (particularly stored data) of different security domains.The Juniper SRX Firewall implements security zones which are configured with different security policies based on risk and trust levels.

Check content

To verify what is logged in the Syslog, view the Syslog server (Syslog server configuration is out of scope for this STIG); however, the reviewer must also verify that packets are being logged to the local log using the following commands. From operational mode, enter the following command. show firewall log View the Action column; the configured action of the term matches the action taken on the packet: A (accept), D (discard). If events in the log do not reflect the action taken on the packet, this is a finding.

Fix text

Include the log and/or syslog action in all zone configurations to log attempts to access zones. To get traffic logs from permitted sessions, add "then log session-close" to the policy. To get traffic logs from denied sessions, add "then log session-init" to the policy. set security policies from-zone to-zone policy then log Example: set security policies from-zone untrust to-zone trust policy default-deny then log

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