Fortigate troubleshooting dns commands. Clear Hostname cache 15.

Fortigate troubleshooting dns commands DNS over TLS and HTTPS The following SD-WAN CLI configuration commands are used to configure ADVPN 2. The following diagnose command can be used to collect DNS debug information. Related articles: Technical Tip: FortiGate Troubleshooting DNS commands; Technical Tip: DNS troubleshooting; Technical Tip: DNS stops working when using custom DNS; Technical Tip: FortiGate DNS Server works as DNS proxy Important DNS CLI commands. Sep 8, 2020 · FortiGate is using FortiGuard servers along with dynamically obtained DNS servers (from ISP) as DNS servers. They include verifiying your user permissions, establishing a baseline, defining the problem, and creating a plan. 30 next end next end Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes Jun 2, 2015 · The FortiGate queries the DNS servers whenever it needs to resolve a domain name into an IP address, such as for NTP or web servers defined by their domain names. The following topics provide information about DNS: Important DNS CLI commands; DNS domain list; FortiGate DNS server; DDNS; DNS latency information; DNS over TLS; DNS troubleshooting Oct 18, 2024 · I have a Fortigate with a LAN interface with a static IP address (no DHCP enabled) which provides internet services to my internal network. FortiGate DNS server The following debug commands can be used to troubleshoot ZTNA issues: Command. Jun 2, 2016 · Check the connection between FortiGate and FortiGuard DNS rating server (SDNS server). The FortiGate queries the DNS servers whenever it needs to resolve a domain name into an IP address, such as for NTP or web servers defined by their domain names. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache Troubleshooting for DNS filter. If the status is down or incidents are reported, change the DNS server from Fortiguard to a public DNS server. 2 are enabled. Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter May 7, 2019 · how to reduce high CPU usage on FortiGate caused by DNSproxy. Scope FortiGate v6. If you need to troubleshoot later, you can run the same command again and compare the differences to identify any suspicious output. Alone, either tool can determine network connectivity between two points. Jun 2, 2016 · Important DNS CLI commands. To configure the FortiGate as DNS resolver in the CLI: config system dns-server edit "port3" set mode resolver next end config system dns-database edit "fortinet" set domain "fortinet. DNS over TLS and HTTPS Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes NEW Troubleshooting for DNS filter Application control Important DNS CLI commands DNS domain list Using a FortiGate as a DNS server Troubleshooting for DNS filter To troubleshoot FortiGate connection issues: Important DNS CLI commands DNS domain list FortiGate DNS server Basic DNS server configuration example The FortiGuard Distribution System (FDS) consists of a number of servers across the world that provide updates to your FortiGate unit. 0 on the spokes: config system sdwan config zone edit <zone-name> set advpn-select {enable | disable} set advpn-health-check <health-check name> next end config members edit <integer> set transport-group <integer> next end config service edit <integer> set shortcut-priority {enable | disable | auto} next end end Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Jun 2, 2013 · DNS troubleshooting. Jun 2, 2015 · DNS troubleshooting. The following topics provide information about DNS: Important DNS CLI commands. 0+. It rejects invalid commands. Check the FortiGate DNS Filter configuration. Testing access to ZTNA servers using FQDN: Attempt to access the ZTNA server using FQDN with the best latency for the internal DNS server: When the primary does not have the best latency and the hostname is not cached: Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter May 6, 2009 · the first steps to troubleshoot connectivity problems to or through a FortiGate. 2, and TLS 1. Some of the more common troubleshooting methods are listed here, including: To troubleshoot FortiGate connection issues: Check the Release Notes to ensure that the FortiClient version is compatible with your version of FortiOS. net Mar 31, 2022 · how to run IPS engine debug in v6. Using the Cookbook, you can go from idea to execution in simple steps, configuring a secure network for better productivity with reduced risk. 4 or later: d Jun 2, 2014 · This command runs many diagnostic commands for specific configurations. Any of the following options can be supplied: list: create a list. Nov 28, 2024 · Below is an external link that may help resolve this. Dec 21, 2015 · This blog post is a list of common troubleshooting commands I am using on the FortiGate CLI. Clear Hostname cache 15. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Check the connection between FortiGate and FortiGuard DNS rating server (SDNS server). It is not complete nor very detailled, but provides the basic commands for troubleshooting network related issues that are not resolvable via the GUI. Dump DNS DB 9. Jul 2, 2010 · Important DNS CLI commands. com" set authoritative disable config dns-entry edit 1 set hostname "override" set ip 10. Mar 30, 2019 · Troubleshooting IPSec VPN tunnel logs. Select a Mode, and DNS Filter profile. Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Jun 2, 2014 · DNS troubleshooting. Ping and traceroute are useful tools in network troubleshooting. This section is intended for administrators with super_admin permissions who require assistance with basic and advanced troubleshooting. Reload FQDN 5. 1 Important DNS CLI commands. We tried to group them under small, general chapters to make it easy for you to find them quickly. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache Jul 2, 2010 · Troubleshooting usage and output. Indentation is used to indicate the levels of nested commands. 8. com # execute ping globalftm. If you do not specify worker ID, the default worker ID is 0. 'Windows DHCP Clients and DNS Dynamic Update Protocol'. Some of the more common troubleshooting methods are listed here, including: Verifying connectivity to FortiGuard Important DNS CLI commands. To test the LDAP object and see if it is working properly, the following CLI command can be used : FGT# diagnose test authserver ldap <LDAP server_name> <username> <password> Where: CLI troubleshooting cheat sheet. The FortiGate uses DNS for several of its functions, including communication with FortiGuard, sending email alerts, and URL blocking (using FQDN). 1 and Use TLS 1. This section contains the following troubleshooting topics: Troubleshooting Jun 2, 2016 · Check the connection between FortiGate and FortiGuard DNS rating server (SDNS server). Problems can occur with the connection to FDS and its configuration on your local FortiGate unit. To configure FortiGate as a primary DNS server in the GUI: Go to Network > DNS Servers. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache FortiGate can send DNS server addresses using Router Advertisement (RA), which allows any device that is capable of receiving DNS server addresses by using RA to obtain DNS server addresses. Dump FQDN 7. Solution. https://<FortiGate IP>:<Port> Check that you are using the correct port number in the URL. For more DNS commands: Technical Tip: FortiGate Troubleshooting DNS commands . This reference lists some important command line interface (CLI) commands that can be used for log gathering, analysis, and troubleshooting. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache Access the FortiGate CLI and use the command execute ping 8. It is also helpful to provide this diagnostic information to the Fortinet Technical Assistance Center when opening a ticket to address a connectivity issue. ping <FortiGate IP> Check the browser has TLS 1. Troubleshooting. Configure DNS dynamic updates Windows server 2003 . Define the problem Troubleshooting methodologies. Jul 20, 2009 · This article describes the different debug information that can be collected from the CLI of the FortiGate, prior to FortiOS 3. Dump secure DNS policy/profile 11. Feb 27, 2023 · This article lists useful commands for initial troubleshooting steps with issues running FortiGate with Virtual Servers. FortiGate. 5 days ago · This article provides commands to help understand if traffic is processed by the DNS session helper. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache DNS troubleshooting. To find which DNS server is used by the FortiGate to resolve hostnames, sniffer, and debugs will help to identify the DNS server used. Reload DNS DB 10. Check that FortiGate has a valid FortiGuard Web Filter license. Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Important DNS CLI commands. See CLI troubleshooting cheat sheet. Sep 13, 2021 · If the DNS server is unable to resolve, the domain will not be reachable. Check for DNS errors by pinging or using traceroute to connect to a domain name; for example: ping www. 8 command to troubleshoot connectivity to the Internet. diagnose debug reset diagnose debug application update -1 diagnose debug enable . Click OK. Mar 1, 2024 · The connect request here is for an IP and not a URL because the URL is resolved by the FortiGate system DNS. FortiGate Troubleshooting Commands. Define the problem The FortiGuard Distribution System (FDS) consists of a number of servers across the world that provide updates to your FortiGate unit. Login to CLI as admin; Disable any debug that are currently running; diagnose debug disable Click OK. Do not use it unless specifically requested. Solution The old &#39;diag debug application ipsmonitor -1&#39; command is now obsolete and does not show very useful data. Below is the list that we most often use. There are 3 scenarios for DNS issues in the network: FortiGate is the DNS server: The PC is using the FortiGate interface as the DNS server. Solution DNSproxy consumes high CPU in FortiGate when the DNS server is configured as a local/private DNS server. Open SSH session to the FortiGate, save all the output, and perform these diagnose commands: diagnose debug disable diagnose debug reset Important DNS CLI commands. Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes NEW Troubleshooting for DNS filter Application control DNS troubleshooting. Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes NEW Troubleshooting for DNS filter Application control To troubleshoot FortiGate connection issues: Check the Release Notes to ensure that the FortiClient version is compatible with your version of FortiOS. The default DNS process number is 1. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set dns-over-tls {enable | disable | enforce} set ssl-certificate <string> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache-limit <integer> set Jun 2, 2016 · Important DNS CLI commands DNS domain list Using a FortiGate as a DNS server Troubleshooting for DNS filter Troubleshooting for DNS filter. Assume the following diagram represents the topology: [ PC1 ] &# Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Important DNS CLI commands. Show FortiGate Details Jul 2, 2010 · DNS troubleshooting. The following topics provide information about DNS: Important DNS CLI commands; DNS domain list; FortiGate DNS server; DDNS; DNS latency information; DNS over TLS; DNS troubleshooting The Fortinet Cookbook contains examples of how to integrate Fortinet products into your network and use features such as security profiles, wireless networking, and VPN. Verify the FortiGate to EMS connectivity and EMS certificate: # diagnose endpoint fctems test-connectivity WIN10-EMS Connection test was successful: Oct 2, 2019 · This article describes the LDAP's most common problems and presents troubleshooting tips. Scope . Troubleshooting connection between FortiGate and FortiGuard SDNS server. DNS latency information. Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Check the connection between FortiGate and FortiGuard DNS rating server (SDNS server). It provides a basic understanding of CLI usage for users with different skill levels. Applying DNS filter to FortiGate DNS server The following topics provide information about SSL VPN troubleshooting: Debug commands; Troubleshooting common issues DNS troubleshooting. Next Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter When entering a command, the CLI console requires that you use valid syntax and conform to expected input constraints. When troubleshooting site-to-site IPSEC VPN tunnels in FortiGate firewalls, these commands enable debugging on the firewall console and provide detailed information to identify the problem. Show stats 3. If that is not possible, then connect directly to the FortiGate via console cable and use the command 'show system admin | grep -f trusthost' to see if the trusted host is configured. Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes DNS settings can be configured with the following CLI command: For a FortiGate with multiple logical CPUs, you can set the DNS process number from 1 to the number of logical CPUs. Solution: Verification and debug. To debug the DNS proxy: Diagnose debug application dnsproxy -1. DNS over TLS and HTTPS Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter The following diagnose command can be used to collect DNS debug information. 4 and later. Before you begin, verify that the FortiGate has Internet connectivity and is also connected to both the FortiGuard and registration servers: # execute ping fds1. diagnose debug . Solution: The DNS Filter rating server is visible as unreachable under Network -> DNS settings, follow these steps for troubleshooting: Check the status of the FortiGuard server on this link: FortiGuard SDNS Monitor . If you have trouble with the DNS filter profile in your policy, start with the following troubleshooting steps: Check the connection between the FortiGate and FortiGuard DNS rating server (SDNS server). Dump Botnet domain 12. It also records the current state of each feature regardless of the features deployed on your FortiGate. Dump DNS setting 4. To troubleshoot FortiGate connection issues: Access the FortiGate CLI and use the command execute ping 8. To enable DoH on the DNS server in the CLI: config system dns-server edit "port1" set dnsfilter-profile "dnsfilter" set doh enable next end Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Troubleshooting the reachability of the FortiGate: Access the FortiGate from a computer that has an IP address that belongs to the trusted host's IP address. FortiGuard troubleshooting. To verify the CPU usage in FortiGate, run the following commands: diag sys top The figure below shows Jul 2, 2010 · Go to Network > DNS Servers. Jun 4, 2010 · # diagnose test application dnsproxy worker idx: 0 1. DNS domain list. FortiGuard Troubleshooting: Below is a flowchart intended to demonstrate how to troubleshoot FortiGuard issues. Important DNS CLI commands. In this example, the Local site is configured as an unauthoritative primary DNS server. Applying DNS filter to FortiGate ZTNA troubleshooting and debugging commands ZTNA troubleshooting scenarios Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter The following debug commands can be used to troubleshoot ZTNA issues: Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH The Fortinet Cookbook contains examples of how to integrate Fortinet products into your network and use features such as security profiles, wireless networking, and VPN. The FortiGuard service provides updates to AntiVirus (AV), Antispam (AS), Intrusion Protection Services (IPS), Webfiltering (WF), and more. Ensure FortiGate can connect to the FortiGuard SDNS server. Then, use 'ipconfig /flushdns' to clear the client DNS cache and see whether it fixes the problem. For example, the sixth line of the output is: newcli 20195 R 0. FortiGate authentication debug. 0. Check the status of the real servers: diagnose firewall vip realserver . Dump DNS cache 8. If the FortiGate receives large volumes of traffic on a specific proxy, the unit may exceed the connection pool limit. 1, TLS 1. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set dns-over-tls {enable | disable | enforce} set ssl-certificate <string> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache-limit <integer> set Jan 7, 2025 · FortiGate v7. Aug 17, 2024 · Whenever Troubleshooting DNS Issues, the CLI commands to use are: To check General DNS settings as well as Cache/Statistics: diagnose test application dnsproxy 2 ----> To show stats. Dec 26, 2024 · Configure the client computer or FortiGate to use the same DNS server if the DNS settings are different. Solution DNS session helper is a built-in feature that helps improve the performance and security of DNS traffic. 0 MR6 and since MR7. Verify the DNS configurations of the FortiGate and the PCs. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache Important DNS CLI commands. Set View to Shadow. Clear DNS cache 2. The following topics provide information about DNS: Important DNS CLI commands; DNS domain list; FortiGate DNS server; DDNS; DNS latency information; DNS over TLS and HTTPS; DNS The FortiGate queries the DNS servers whenever it needs to resolve a domain name into an IP address, such as for NTP or web servers defined by their domain names. The sections in this topic provide an overview of how to prepare to troubleshoot problems in FortiGate. Applying DNS filter to FortiGate Oct 18, 2024 · I have a Fortigate with a LAN interface with a static IP address (no DHCP enabled) which provides internet services to my internal network. Scope: FortiGate. All these commands should be used when you are first checking the total configuration of the firewall. The following DNS protocols can be enabled: cleartext: Enable clear text DNS over port 53 (default). DDNS. Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes. fortinet. Check that the FortiGate has a valid FortiGuard web filter license. 88. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set protocol {cleartext dot doh} set ssl-certificate <string> set server-hostname <hostname> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache DNS troubleshooting Explicit and transparent proxies Applying DNS filter to FortiGate DNS server Important DNS CLI commands DNS domain list Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Applying DNS filter to FortiGate DNS server DNS inspection with DoT and DoH DNS over QUIC and DNS over HTTP3 for transparent and local-in DNS modes Control ECH TLS connections NEW Troubleshooting for DNS filter Jul 2, 2010 · To troubleshoot FortiGate connection issues: Check the Release Notes to ensure that the FortiClient version is compatible with your version of FortiOS. To troubleshoot FortiGate connection issues: Check the Release Notes to ensure that the FortiClient version is compatible with your version of FortiOS. General System References. Each additional line of the command output displays information specific to processes or threads that are running on the FortiGate unit. DNS settings can be configured with the following CLI command: config system dns set primary <ip_address> set secondary <ip_address> set dns-over-tls {enable | disable | enforce} set ssl-certificate <string> set domain <domains> set ip6-primary <ip6_address> set ip6-secondary <ip6_address> set timeout <integer> set retry <integer> set dns-cache-limit <integer> set DNS troubleshooting. Jun 2, 2016 · DNS troubleshooting. Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Jun 2, 2016 · Alternatively, the FortiGate may have problems with connection pool limits that are affecting a single proxy. However, ping can be used to generate simple network traffic that you can view using diagnose commands in FortiGate. FortiGate DNS server. com. If the system DNS fails to resolve the URL, the connect request would be for the URL directly. Scope FortiGate. In the DNS Service on Interface section, edit an existing interface, or create a new one. Administrators with other types of permissions may not be able to perform all of the tasks in this section. The View setting controls the accessibility of the DNS server. In the DNS Database table, click Create New. Requery FQDN 6. The following topics provide information about SSL VPN troubleshooting: Debug commands; Troubleshooting common issues; Previous. # diagnose test application dnsproxy worker idx: 0 1. ZTNA troubleshooting and debugging commands ZTNA troubleshooting scenarios Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter In this example, the Local site is configured as an unauthoritative primary DNS server. dot: Enable DNS over TLS. com # execute ping directregistration. Troubleshoot the DNS issue and ensure FortiGate is able to access the Internet. The LAN interface is set up as a "DNS Service on Interface" which forwards any host DNS queries to the system DNS. Click on the image to enlarge it. Check the FortiGate DNS filter configuration. Therefore my host has been configured with t https://<FortiGate IP>:<Port> Check that you are using the correct port number in the URL. Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Jun 2, 2016 · This command runs many diagnostic commands for specific configurations. Description # diagnose endpoint fctems test-connectivity <EMS> Oct 28, 2024 · To confirm the issue, run the following commands on CLI and check for 'dns resolve error'. Verify the FortiGate to EMS connectivity and EMS certificate: # diagnose endpoint fctems test-connectivity WIN10-EMS Connection test was successful: Important DNS CLI commands DNS domain list Applying DNS filter to FortiGate DNS server Troubleshooting for DNS filter Nov 25, 2024 · For troubleshooting DNS issues. You can also use the execute traceroute 8. Show Hostname cache 14. Additionally, FortiGate can receive DNS server addresses through the use of SLAAC with a DHCPv6 stateless server, even though it is currently unable to The FortiGate queries the DNS servers whenever it needs to resolve a domain name into an IP address, such as for NTP or web servers defined by their domain names. Check the connection between FortiGate and FortiGuard DNS rating server (SDNS server). The following example demonstrates if you want to configure graceful restart on the FortiGate where you expect the FortiGate to be offline for no more than two minutes, and after three minutes the BGP network should consider the FortiGate to be offline. This article assists with DNS troubleshooting. up: change the address to 'up'. Set Type to Primary. Reload Secure DNS setting 13. . Each command line consists of a command word, usually followed by configuration data or a specific item that the command uses or affects. Here is how to debug IPSengine in 6. DNS troubleshooting. Access the FortiGate CLI and use the command execute ping 8. CLI troubleshooting cheat sheet. Related article: Technical Tip: FortiGate Troubleshooting DNS commands Access the FortiGate CLI and use the command execute ping 8. Therefore my host has been configured with t Troubleshooting usage and output. DNS troubleshooting Explicit and transparent proxies Applying DNS filter to FortiGate DNS server Important DNS CLI commands DNS domain list Important DNS CLI commands. Solution . 4, v7. Enable DNS over HTTPS. Ensure FortiGate is reachable from the computer. Previous. It acts as a proxy between the clients and external DNS serv The FortiGate queries the DNS servers whenever it needs to resolve a domain name into an IP address, such as for NTP or web servers defined by their domain names. 1 0. This indicates an issue with FortiGate DNS resolution. 3 enabled. FortiClient uses IE security setting, In IE Internet options > Advanced > Security , check that Use TLS 1. vcuulb lxcvvms vmikpy amy uknahfj jfym ioezkz oefa bjjzy abed