Compare current logs to a recorded baseline of normal operation. Viewing FortiGate log entries from the CLI (FortiOS 4.0), Notes on Traffic log generation and logging support for ongoing sessions. Settings for this are available via CLI (disabled by default): These settings are for incoming traffic (local-in) and outgoing traffic (local-out). Traffic logs record the traffic that is flowing through your FortiGate unit. Troubleshooting Tip: Initial troubleshooting steps Troubleshooting Tip: Initial troubleshooting steps for traffic blocked by FortiGate, Technical Tip: Troubleshooting steps for blocked HTTP traffic when using TSAgent, https://docs.fortinet.com/document/fortigate/6.2.3/cookbook/54688/debugging-the-packet-flow. It is difficult to troubleshoot logs without a baseline. 11:55 PM option-resolve-port: Enable/disable adding resolved service names to traffic logs. Sometimes also the reason why. Stay connected with UCF Twitter Facebook LinkedIn, Fortinet FortiGate Firewall Security Technical Implementation Guide. Logging records the traffic passing through the FortiGate unit to your network and what action the FortiGate unit took during its scanning process of the traffic. Logging and reporting can help you in determining what is happening on your network, as well as informing you of certain network activity, such as detection of a virus or IPsec VPN tunnel errors. If you are forwarding logs to a Syslog or CEF server, ensure this option is supported before turning it on. FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. 01-31-2022 As with most troubleshooting steps, before you can determine if the logs indicate a problem, you need to know what logs result from normal operation. This traffic also generates log messages. . 08:58 AM For more information, see the FortiAnalyzer CLI Reference. Enable/disable local-in-deny-broadcast logging. Description. If needed, logging of unused features can be turned off or scaled back if the logs generated are too large. FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. Check if the Master has access to both WAN and LAN (exec ping pu.bl.ic.IP, exec ping lo.ca.l.IP).If not, check the routing table (get router info routing-table all; get router info routing-table detail x.x.x.x ). Forwarding mode can be configured in the GUI. Enable/disable override FortiAnalyzer settings. Click Log and Report. You should log as much information as possible when you first configure FortiOS. Turn off to use UDP connection. The FortiAnalyzer device will start forwarding logs to the server. You should log as much information as possible when you first configure FortiOS. The purpose of logs is to speed up your problem solving and save you time and effort. 4. 02:23 AM DescriptionThis article describes few basic steps of troubleshooting traffic over the FortiGate firewall, and is intended as a guide to perform the basic checks on the FortiGate when a problem occurs and certain traffic is not passing.All these steps are important for diagnostics. .. are the same as in FortiOS 6.2 (listed bellow), but adds following new categories: .. are the same as in FortiOS 6.2 (listed bellow), but adds following new category: The default log filter configuration looks like below. Click Log and Report. The purpose of logs is to speed up your problem solving and save you time and effort. Log in to the FortiGate GUI with Super-Admin privilege. Firewall policies control all traffic that attempts to pass through the FortiGate unit, between FortiGate interfaces, zones and VLAN sub-interfaces. 2. 10161 Park Run Drive, Suite 150Las Vegas, Nevada 89145, PHONE 702.776.9898FAX 866.924.3791info@unifiedcompliance.com, Stay connected with UCF Twitter Facebook LinkedIn. Click Forward Traffic or Local Traffic. 04-07-2021 enable: Enable adding resolved service names to traffic logs. Checking the logs | FortiGate / FortiOS 7.2.4 To compile an accurate risk assessment and provide forensic analysis, it is essential for security personnel to know where events occurred, such as network element components, modules, device identifiers, node names, and functionality. Troubleshooting Tip : debug flow messages "iprope_in_check() check failed, drop" - "Denied by forwar Technical Note: Details about FortiOS RPF (Reverse Path Forwarding), also called Anti-Spoofing, Technical Tip: How to download debug.log file, Technical Tip: Troubleshooting steps for blocked HTTP traffic when using TSAgenthttps://docs.fortinet.com/document/fortigate/6.2.3/cookbook/54688/debugging-the-packet-flow, The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. Logs also tell us which policy and type of policy blocked the traffic. 2018 Network Frontiers LLCAll right reserved. # execute log filter dump category: traffic deice: memory (snipp) Filter: (snipp) set filter # execute log filter device <- Check Option Example output (can be different if disk logging is available): Available devices: 0: memory 1: disk 2 . Edited By The Create New Log Forwarding pane opens. Turn on to use TCP connection. Click Select Device, then select the devices whose logs will be forwarded. Standardized CLI ( Use the below command to do a policy lookup in CLI: diagnose firewall iprope lookup )- If the session exists, then check the existing UTM profiles in that policy (AV, WebFilter, IPS, etc) Remove them one by one until the traffic is restored. Enable/disable local-in-deny-unicast logging. Corporate Site. A log message records the traffic passing through FortiGate to your network and the action FortiGate takes when it scans the traffic. If needed increase the level of logging (such as from Warning to Information) to obtain more information. Click All for the Event Logging and Local Traffic Log options (for most verbose logging), or Click Customize and choose granular logging options to meet organization needs. 2: fortianalyzer. Fortinet Fortigate CLI Commands. Learn how your comment data is processed. Michael Pruett, CISSP has a wide range of cyber-security and network engineering expertise. Home FortiGate / FortiOS 6.4.4 CLI Reference. CLI Reference . Before you can determine if the logs indicate a problem, you need to know what logs result from normal operation. Anthony_E. Copyright 2023 Fortinet, Inc. All Rights Reserved. Stay connected with UCF Twitter Facebook LinkedIn, Fortinet FortiGate Firewall Security Technical Implementation Guide. When increasing logging levels, ensure that alert email is configured and both disk usage and log quota are selected. Use the following CLI command to see what log forwarding IDs have been used: The following line will be displayed to confirm the creation of the log aggregation: check for cfg[] svr_disp_name=. Default: 514. Your FortiManager device collects logs from managed FortiGate, FortiCarrier, FortiMail, FortiWeb devices and FortiClient endpoint agents. option- Option. The logs displayed on your FortiManager are dependent on the device type logging to it. Compare current logs to a recorded baseline of normal operation. The following commands can troubleshoot and start the "get license" process. Enable/disable adding resolved domain names to traffic logs if possible. Logs also tell us which policy and type of policy blocked the traffic. Configuring OS and host check FortiGate as SSL VPN Client Dual stack IPv4 and IPv6 support for SSL VPN Disable the clipboard in SSL VPN web mode RDP connections . CLI Commands for Troubleshooting FortiGate Firewalls Double-click on an Event to view Log Details. Enable/disable adding resolved domain names to traffic logs if possible. Also attach the configuration backup so TAC can check what was configured.Yes: What has changed since the time it was working?-Standalone Upgrade: review the release notes for known problems. This recorded information is called a log message. Until FortiOS 6.2 listing was: Example output (can be different if disk logging is available): Available devices: 0: memory. This fix can be performed on the FortiGate GUI or on the CLI. Export a small group of such logs from the logging unit (FortiGate GUI, FortiAnalyzer, FortiCloud, Syslog, etc).Packet capture (sniffer): On models with hardware acceleration, this has to be disabled temporarily in order to capture the traffic.It is better captured from command line and log the SSH output.Debug flow (firewall logic): Common cases where traffic is not passing, and shown in debug flow for new sessions:'Denied by forward policy check'. . Scope, Define, and Maintain Regulatory Demands Online in Minutes. - Check if the traffic flows ok when policy is changed to flow-based, instead of proxy-based.Traffic logs, packet captures, and debug flow are the tools TAC use further to check that, always in conjunction with the configuration file (backup from GUI of Global context). The plethora of vendors that resell hardware but have zero engineering knowledge resulting in the wrong hardware or configuration being deployed is a major pet peeve of Michael's. ): either the traffic is blocked due to policy, or due to a security profile. Log in to the FortiGate GUI with Super-Admin privilege. Fortinet Fortigate CLI Commands - cmdref.net The data collected in this guide is needed when opening a TAC support case.When parts of this data are not present, the assigned TAC engineer will likely ask for it. 3. Anthony_E. Devices whose logs are being forwarded to another FortiAnalyzer device are added to the server as unregistered devices. Check if the firewall can reach the internet, has DNS response (exec ping pu.bl.ic.IP, exec ping service.fortiguard.net)- HA Upgrade: make sure both units are in sync and have the same firmware (get system status). In aggregation mode, accepting the logs must be enabled on the FortiAnalyzer that is acting as the server. Select when logs will be sent to the server: Real-time, Every 1 Minute, or Every 5 Minutes (default). Without a baseline it is difficult to properly troubleshoot. Technical Tip: Displaying logs via FortiGate's CLI If you need to, increase the level of logging (such as from Warning to Information) to obtain more information. Go to System Settings > Log Forwarding. Scope, Define, and Maintain Regulatory Demands Online in Minutes. When available, the logs are the most accessible way to check why traffic is blocked. Security logs (FortiGate) record all antivirus, web filtering, application control, intrusion prevention, email filtering, data leak prevention, and VoIP activity on your managed devices. Check the ID number of this policy.- Make sure that the session from source to destination is matching this policy:(check 'policy_id=' in the output). 'Find an existing session, id-0xxxxxxxx, reply direction': a session is already established and the traffic is flowing (possibly Layer7 problem - packet capture needed).Debug log (snapshot of the system parameters at the time it is downloaded):If Authentication and user groups are used in policies, check also this guide related articles below.For SIP/VoIP issues, a packet capture (usually with 'port 5060' as filter) is absolutely necessary, along with the configuration (backup from GUI of 'Global' context). 2018 Network Frontiers LLCAll right reserved. This option is only available when the server type in not FortiAnalyzer. This log is needed when creating a TAC support case.- Start with the policy that is expected to allow the traffic. Export a small group of such logs from the logging unit (FortiGate GUI, FortiAnalyzer, FortiCloud, Syslog, etc). Technical Tip: Local traffic logs and policy ID 0. Fine tune the profiles/policy recently added/removed, so that it allows the traffic.No: Check why the traffic is blocked, per below, and note what is observed. Checking the logs A log message records the traffic passing through FortiGate to your network and the action FortiGate takes when it scans the traffic. Edited on On FortiMail you can view history, event, antivirus, and email filter logs. Click Create New in the toolbar. If FortiGate logs are too large, you can turn off or scale back the logging for features that are not in use. 4. Settings for this are available via CLI (disabled by default): Enter the server port number. Local traffic does not fall under the same policies as traffic passing through the FortiGate. Enter the IP address of the remote server. FortiOS 5.4:The log filter a FortiGate has the following options: For example, by using the following log filters FortiGate will display all utm-webfilter logs with the destination ip address 40.85.78.63: Alternatively, by using the following log filters FortiGate will display all utm-webfilter logs with destination ip address 40.85.78.63 that are not from September 13, 2019: Other examples of using the free-style log filter: Also, it is possible to configure the following log filter commands: Also, it is possible to work with the logs - roll, backup, delete local logs, list log details like occupied space/date/time of the log and more: The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. Logging records the traffic passing through the FortiGate unit to your network and what action the FortiGate unit took during its scanning process of the traffic. This site was started in an effort to spread information while providing the option of quality consulting services at a much lower price than Fortinet Professional Services. Sometimes also the reason why. Enable/disable invalid packet traffic logging. Technical Tip: Selecting an alternate firmware for the next reboot, Troubleshooting Tip: FortiGate session table information, Technical Tip: Disabling NP offloading in security policy, Troubleshooting Tool: Using the FortiOS built-in packet sniffer. In order to compile an accurate risk assessment and provide forensic analysis, security personnel need to know the source of the event. Save my name, email, and website in this browser for the next time I comment. Created on For more information about logging and log reports, see Log and Report. No configuration is required on the server side. disable: Disable adding resolved domain names to traffic logs. It is difficult to troubleshoot logs without a baseline. The job of logs is to speed up your problem solving and save you time and effort. Check Text ( C-37323r611412_chk ) Log in to the FortiGate GUI with Super-Admin privilege. Enable/disable inserting policy name into traffic logs. Attach relevant logs of the traffic in question. 01-06-2022 Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. No configuration is needed on the server side. Aggregation mode configurations are not listed in the GUI table, but still use a log forwarding ID number. Enable log aggregation and, if necessary, configure the disk quota, with the following CLI commands: Create a new, or edit an existing, log forwarding entry: Set the server display name and IP address: Enter the user name and password of the super user administrator on the server: If required, set the aggregation time from 0 to 23 hours (default: 0, or midnight): Enter the following to apply the configuration and create the log aggregation. 3: forticloud. Custom fields to append to all log messages. When available, the logs are the most accessible way to check why traffic is blocked. FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. The event log records administration management as well as Fortinet device system activity, such as when a configuration has changed, admin login, or high availability (HA) events occur. 04-10-2017 Select All or Any of the Following Conditions in the Log messages that match field to control how the filters are applied to the logs. For more information about logging and log reports, see Log and Report. Connecting FortiExplorer to a FortiGate via WiFi, Zero touch provisioning with FortiManager, Viewing device dashboards in the security fabric, Creating a fabric system and license dashboard, Viewing top websites and sources by category, FortiView Top Source and Top Destination Firewall Objects widgets, Configuring the root FortiGate and downstream FortiGates, Configuring other Security Fabric devices, Synchronizing FortiClient EMS tags and configurations, Viewing and controlling network risks via topology view, Synchronizing objects across the Security Fabric, Leveraging LLDP to simplify security fabric negotiation, Configuring the Security Fabric with SAML, Configuring single-sign-on in the Security Fabric, Configuring the root FortiGate as the IdP, Configuring a downstream FortiGate as an SP, Verifying the single-sign-on configuration, Navigating between Security Fabric members with SSO, Integrating FortiAnalyzer management using SAML SSO, Integrating FortiManager management using SAML SSO, Advanced option - unique SAML attribute types, OpenStack (Horizon)SDN connector with domain filter, ClearPass endpoint connector via FortiManager, Cisco ACI SDN connector with direct connection, Support for wildcard SDN connectors in filter configurations, External Block List (Threat Feed) Policy, External Block List (Threat Feed) - Authentication, External Block List (Threat Feed)- File Hashes, Execute a CLI script based on CPU and memory thresholds, Viewing a summary of all connected FortiGates in a Security Fabric, Virtual switch support for FortiGate 300E series, Failure detection for aggregate and redundant interfaces, Upstream proxy authentication in transparent proxy mode, Restricted SaaS access (Office 365, G Suite, Dropbox), Proxy chaining (web proxy forwarding servers), Agentless NTLM authentication for web proxy, IP address assignment with relay agent information option, Static application steering with a manual strategy, Dynamic application steering with lowest cost and best quality strategies, SDN dynamic connector addresses in SD-WAN rules, Forward error correction on VPN overlay networks, Controlling traffic with BGP route mapping and service rules, Applying BGP route-map to multiple BGP neighbors, SD-WAN health check packet DSCP marker support, Dynamic connector addresses in SD-WAN policies, Configuring SD-WAN in an HA cluster using internal hardware switches, Downgrading to a previous firmware version, Setting the administrator password retries and lockout time, FGSP (session synchronization) peer setup, UTM inspection on asymmetric traffic in FGSP, UTM inspection on asymmetric traffic on L3, Encryption for L3 on asymmetric traffic in FGSP, Synchronizing sessions between FGCP clusters, Using standalone configuration synchronization, HA using a hardware switch to replace a physical switch, Routing data over the HA management interface, Override FortiAnalyzer and syslog server settings, Force HA failover for testing and demonstrations, Querying autoscale clusters for FortiGate VM, SNMP traps and query for monitoring DHCP pool, FortiGuard anycast and third-party SSL validation, Using FortiManager as a local FortiGuard server, Purchase and import a signed SSL certificate, NGFW policy mode application default service, Using extension Internet Service in policy, Allow creation of ISDB objects with regional information, Multicast processing and basic Multicast policy, Enabling advanced policy options in the GUI, Recognize anycast addresses in geo-IP blocking, Matching GeoIP by registered and physical location, HTTP to HTTPS redirect for load balancing, Use active directory objects directly in policies, FortiGate Cloud / FDNcommunication through an explicit proxy, ClearPass integration for dynamic address objects, Group address objects synchronized from FortiManager, Using wildcard FQDN addresses in firewall policies, Changing traffic shaper bandwidth unit of measurement, Type of Service-based prioritization and policy-based traffic shaping, Interface-based traffic shaping with NP acceleration, QoS assignment and rate limiting for quarantined VLANs, Content disarm and reconstruction for antivirus, External malware block list for antivirus, Using FortiSandbox appliance with antivirus, How to configure and apply a DNS filter profile, FortiGuard category-based DNS domain filtering, SSL-based application detection over decrypted traffic in a sandwich topology, Matching multiple parameters on application control signatures, Protecting a server running web applications, Redirect to WAD after handshake completion, Blocking unwanted IKE negotiations and ESP packets with a local-in policy, Basic site-to-site VPN with pre-shared key, Site-to-site VPN with digital certificate, IKEv2 IPsec site-to-site VPN to an AWS VPN gateway, IPsec VPN to Azure with virtual network gateway, IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets, Add FortiToken multi-factor authentication, OSPF with IPsec VPN for network redundancy, Adding IPsec aggregate members in the GUI, Represent multiple IPsec tunnels as a single interface, IPsec aggregate for redundancy and traffic load-balancing, Per packet distribution and tunnel aggregation, Weighted round robin for IPsec aggregate tunnels, Hub-spoke OCVPN with inter-overlay source NAT, IPsec VPN wizard hub-and-spoke ADVPN support, Fragmenting IP packets before IPsec encapsulation, Defining gateway IP addresses in IPsec with mode-config and DHCP, Set up FortiToken multi-factor authentication, Connecting from FortiClient with FortiToken, SSL VPN with FortiToken mobile push authentication, SSL VPN with RADIUS on FortiAuthenticator, SSL VPN with RADIUS and FortiToken mobile push on FortiAuthenticator, SSL VPN with RADIUS password renew on FortiAuthenticator, SSL VPN with LDAP-integrated certificate authentication, Dynamic address support for SSL VPN policies, Running a file system check automatically, FortiGuard distribution of updated Apple certificates, FSSO polling connector agent installation, Enabling Active Directory recursive search, Configuring LDAP dial-in using a member attribute, Exchange Server connector with Kerberos KDC auto-discovery, Configuring least privileges for LDAP admin account authentication in Active Directory, Support for Okta RADIUS attributes filter-Id and class, Configuring the maximum log in attempts and lockout period, VLAN interface templates for FortiSwitches, FortiLink auto network configuration policy, Standalone FortiGate as switch controller, Multiple FortiSwitches managed via hardware/software switch, Multiple FortiSwitches in tiers via aggregate interface with redundant link enabled, Multiple FortiSwitches in tiers via aggregate interface with MCLAG enabled only on distribution, HA (A-P) mode FortiGate pairs as switch controller, Multiple FortiSwitches in tiers via aggregate interface with MCLAG enabled on all tiers, MAC layer control - Sticky MAC and MAC Learning-limit, Use FortiSwitch to query FortiGuard IoT service for device details, Dynamic VLAN name assignment from RADIUS attribute, Log buffer on FortiGates with an SSD disk, Supported log types to FortiAnalyzer, syslog, and FortiAnalyzer Cloud, Configuring multiple FortiAnalyzers on a multi-VDOM FortiGate, Configuring multiple FortiAnalyzers (or syslog servers) per VDOM, Backing up log files or dumping log messages, Troubleshooting CPU and network resources, Verifying routing table contents in NAT mode, Verifying the correct route is being used, Verifying the correct firewall policy is being used, Checking the bridging information in transparent mode, Performing a sniffer trace (CLI and packet capture), Displaying detail Hardware NIC information, Identifying the XAUI link used for a specific traffic stream, Troubleshooting process for FortiGuard updates.
