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Questions tagged [fortigate]

firewall appliance made by fortinet - includes capwap wireless controller and fortios software

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How to align a backup IP block to same Virtual IP definitions as active block?

We recently added a backup ISP for our rack. Simply put, in the event that our primary connection goes down we would like to be able to switch to our backup connection. Right now we have primary ...
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Fortigate VPN for some users: "Unable to logon to the server. Username or password may not be properly configured for this connection. (-12)"

We are using a Fortigate 60F, to which we usually connect to VPN using the Forticlient app. Everything used to work fine, but for the last two or three days, we have two users that cannot connect and ...
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13 views

What is the proper way for multiple IP blocks to point consistently to the same internal IPs?

If we have 2 IP blocks from different ISPs coming in and we want to accept traffic on either, how can we map IPs internally (NAT/VIPs) without duplicating for each external IP block? We are on ...
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Fortigate Proxy based on Path(Reverse Proxy)

I'm running a service, which up to today, I have consumed subdomains from my main domain for each customer to reach to their servers as below. e.g: cust1.mydomain.com ---> Proxy to customer1 ...
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L2TP Client Public IP inaccessible after connecting to VPN

I have an odd issue that i have not come across before. I have a Fortinet firewall and i have a remote access L2TP VPN configured through the VPN Wizard, works great. The L2TP Client has a public IP ...
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how to add the expnded subnet mask for a private ip configuration in fortigate firewall

I have been using fortigate firewall and the subnet mask is 255.255.224.0. Now, our cloud provider are assigning new expanded ip pool subnet mask for the servers. that is 255.255.192.0 . So, How to ...
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98 views

Port forwarding on a FortiGate firewall sitting behind an ISP router

I have a FortiGate firewall (30E) which is sitting behind a router (provided by ISP). The router has allocated local IP to the firewall and from this firewall subnet is created on which the server is ...
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350 views

Unable to authenticate with IPsec tunnel on FortiGate via Windows native client

I have setup an IPsec tunnel on our FortiGate 51E (FortiOS v6.2.10 build1263 (GA)) and I am able to connect via my Windows native client, however when I am asked for a username and password, I am ...
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1 vote
1 answer
54 views

2 Remote Sites, 2 Different Subnets, with interconnectivity. How to create a single subnet for servers at both locations?

Current Environment: We currently have 2 remote sites, both with their own LAN subnet and servers hosted at each site. Currently each site is using 1 subnet for the clients and servers. Both sites are ...
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160 views

VNC viewer shows black screen without VPN access only

I access to a Siemens HMI screen which natively includes a VNC Server. I get a black screen when connecting either with TightVNC or VNC Viewer. After a few seconds, the VNC connection ends up and the ...
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Multiple public IPs behind fortigate firewall

I have deployed a fortigate firewall in GCP. The firewall has a single external IP on outside interface which floats between primary and secondary firewalls. Now, i have couple of servers on Private ...
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1 answer
57 views

Unable to access webserver on internal network either via domain or ip address

I am currently trying to set up a FortiGate 40F firewall. But somehow I am unable to get access to the server from the same network going via the external IP or domain. I got a VLAN set as 10.0.4.x ...
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69 views

How do I, or is it possible to, in rsyslog map non-standard field names to standard variables?

I'm working on centralizing my logs to a syslog server and will have a fortigate and Windows servers (2016) sending syslogs to a single linux server running rsyslog and store them in mysql. I ...
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Connect to server running Forticlient VPN

I have an AWS EC2 instance (instance 1) with Forticlient to connect a client network. My plan was to connect to AWS via ssh and then to the VPN. I installed everything correctly and when I connect to ...
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37 views

Managing and review of firewall rules

I have 2 questions on best practices for managing and reviweing of firewall rules. Our company uses PaaS from a hosting provider, they are managing firewalls (Fortigate). We need to know which rules ...
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-1 votes
1 answer
360 views

Cannot connect a Fortigate VPN behind a static NAT to a GCP VPN gateway

Here's the need: Connect a Fortigate device behind a static 1:1 NAT to the Internet to a Google Cloud Platform (GCP) VPN gateway. Simplified ASCII Diagram: LOCAL_LAN ---- Fortigate ----- Fiber modem --...
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-2 votes
1 answer
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Going to implement new Infrastructure in HQ Office with 1 firewall, 1 L3 Switch, 5 L2 Switch, 2 Managed WIFI AP and 1 Server [closed]

Im going Implement Network in HQ Office which will link also with Branches Office. What IP Address Class is recommended on this scenario? Need some assist to Kick Off on this. I have 1 unit Fortigate ...
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2 votes
0 answers
248 views

Fortigate and RADIUS Wifi authentication for domain and non-domain devices

We're setting up RADIUS authentication for wireless network connections through a Windows Server 2012 R2 (NPS). We have to allow both domain computers (registered in Active directory) and non-domain ...
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1 vote
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219 views

routing ppp <-> wireguard interfaces

I want to connect via wireguard to a droplet that will be running openfortivpn for connecting to a 192.168.11.0/24 network. I have confirmed that only traffic to 192.168.11.* goes through fortivpn and ...
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1 answer
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Compare url link and url text in email body and reject as SPAM

Email body: ... <a href="url">text</a> ... Is it possible check if text is url in email body, then compare url and text and reject as SPAM if they differ?
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1 vote
1 answer
4k views

Azure Site-to-Site VPN and Fortigate IPSec Phase 2 error on SA re-establishment - "peer SA proposal not match local policy"

I am documenting this for posterity. After a period of IPSEC tunnel being succesfully up and working beteen Azure VPN Gateway and Fortigate 200 E firewall running FortiOS v6.4.4 build1803 (GA), the ...
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-1 votes
1 answer
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Email Two-Factor Authentication on FortiGate

I'm currently implementing Multi-Factor Authentication on FortiGate, using mailer system and refer to this document link. There is no options to change the subject or content of email, because ...
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1 vote
1 answer
337 views

Process to migrate DNS and DHCP from on-premise, Windows domain controller

Our organization has an on-premise, Windows, domain controller that we'd like eliminate in favor of a local DHCP/DNS server on either our Unify switch (first choice) or FortiGate VPN appliance (second ...
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automatically retrieve some fields from log file

My fortigate firewall send log message to my syslog server (CentOS 7). The syslog server store them to *.log file with rsyslog. Like this: Sep 24 00:00:00 192.168.20.20 date=2020-09-24 time=01:00:00 ...
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317 views

QuickBooks - Windows Server 2016 Network Files Randomly Disappear when Browsed by QuickBooks Client

Background We have 18 QuickBooks company files in a mult-user environment running on a new installation of Windows Server 2016. The QuickBooks Database Server Manager is installed. All of these ...
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-1 votes
1 answer
124 views

FortiGate 100E IPSec disconnect

I think this problem is well known that the FortiGate does not reconnect IPSec tunnels sometimes. Is there a way to keep the tunnel open. Do I have to buy a newer product or update to a newer OS?
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1 answer
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Working from home - VPN Routing

We have a FortiGate VPN, on which we once configured that all vpn clients (who work from home) have all their traffic go through the VPN. However, now we want only the traffic that goes into the ...
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2 answers
80 views

How to detect with app/process make specyfic dns request?

we have one computer in ours network that constantly send to 8.8.8.8 dns requests. I see this in Fortigate forward traffic log and the user of that computer have to solve reCAPTCHA a few times in hour ...
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2 votes
1 answer
279 views

Azure VPN Gateway (S2S) disabling Replay Detection

I'm running an Azure VPN Gateway (VpnGw1, gen1, Route-based) and trying to connect a S2S connection to a Fortigate gateway. The connection is losing connectivity every so hours and I'm wondering if I ...
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1 vote
2 answers
510 views

CentOS Hyper V Guest VM Not accessible from the Internet

I have a CentOS VM sitting on HyperV host with two interfaces, One interface connected to the domain Network via a switch (192.168.1.8 /24) GW 192.168.1.254. Another interface is connected directly to ...
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1 answer
55 views

Use Both ISP Public IPs Even IF one is Down In FortiGate FireWall

I have two IP's Airtel & Sify connected to My Fortigate Firewall. Sify---------->Port1--->163.100.X.X/27 Airtel-------->Port2--->13.26.X.X/27 I have two questions: Can I use all ...
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1 vote
0 answers
27 views

Can I use different log files for FortiGate rules?

Fortigate firewalls use different log files per type and device. Here is the log file name format: <logtype> - <logdevice> - <date> T <time> . <id>.log For example: ...
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9 votes
4 answers
445 views

What caused a huge amount network traffic via SSH?

I have a virtual server running Ubuntu 18.04 from a well known hosting company. This morning our Fortigate Firewall logs shows that my Win10 computer transferred 3.5TB to and 6.5TB from my virtual ...
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1 answer
1k views

Fortigate to Azure - working VPN suddenly stops working

I have a FortiGate 60E that I successfully used to create a VPN to an Azure virtual network (see here). It had the 6.0.4 firmware. Recently, I updated the Fortigate firmware to 6.2.0 and the VPN came ...
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1 answer
2k views

Fortigate to Azure VPN -- connected but can't reach anything

I have set up an IPSec VPN between a Fortigate and Azure, according to the following instructions: https://cookbook.fortinet.com/ipsec-vpn-microsoft-azure-56/ The VPN connected the first time, but I ...
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2 votes
1 answer
3k views

Is it possible to have name-resolution from Fortigate and local DNS server?

Can you advise on moving to a hybrid DNS? Currently, all our LAN machines receive their IP address from our Fortigate 60D (each machine is either allocated an IP address from the Fortigate DHCP, or ...
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111 views

Linux: Update DNS with client IP address after connecting via VPN

In this related question, the asker has a problem where clients connecting in over the VPN are not updating the DNS records with their SSLVPN Adapter IP address. The solution is Windows turns out to ...
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0 answers
2k views

Fortigate 100D firmware upgrade

model: Fortigate 100D firmware version: v5.0,build0128 I intend to upgrade to FortiOS 5.4.4 build 1117 (FGT_100D-v5-build1117-FORTINET.out) Support has expired so am concerned about any gotchas in ...
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Can Nginx(webserver) replaced with fortigate WAF?

We are going to replace nginx nodes with fortigate waf. Would WAF have all features sets which nginx having Rewrite rules IPv6 SSL Load balancing on the bases of subdomain/context compression and ...
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External Captive portal with fortigate Firewall

I working on external captive portal for fortigate firewall I followed this tutorial to config my fortigate with external captive portal http://cookbook.fortinet.com/using-an-external-captive-portal-...
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1 vote
0 answers
384 views

FortiGate SSL Offloading & Intrusion Protection System

We're using a FortiGate 620B (v5.2.9) for offloading SSL traffic to our website. Now we would like to activate the Intrusion Protection System (the IPS). However in order for the IPS to work, SSL ...
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0 votes
1 answer
841 views

Freeradius radclient unsupported attribute

I want to send disconnect-message to NAS using radclient program but when I want to disconnect one user using this command echo user-name=zaib | radclient -x 192.168.3.1 disconnect "muh" the ...
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0 votes
2 answers
3k views

Fortigate 60D slow internet speed without DMZ

I am not getting the full internet speed through LAN ports. Only around 130Mb instead of 230Mb. Only way to get 230Mb is plug into the DMZ port. All settings are default. All LAN ports are 1000Mbit ...
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1 vote
1 answer
160 views

Ip Configuration in Fortigate 60d

I have a fortigate 60d which bought around 3-4 years ago. Today i tried to install over of fiber internet. I connected my forti with 192.168.3.1 then i clicked wizard and entered new values and new ip ...
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0 votes
2 answers
4k views

Block Sweet32 attacks on a Fortigate?

I have a Fortigate product running FortiOS 5.4.x and I can't mitigate the Sweet32 vulnerability. I've already enabled the high security algorithms and disabled the SSL3 / TLS1.0 for Beast & ...
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3 votes
0 answers
2k views

Set outgoing interface on Fortigate explicit proxy

I am testing the explicit proxy on a Fortigate 200D firmware 5.4 WAN1 and WAN2 are both members of the wan load balancer interface. I need to set the proxy to use WAN1 but it it is defaulting to ...
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1 vote
1 answer
678 views

Possible to dump sflow data to pcap format?

I want to get the packet capture from fortiet/fortigate device, to capture all traffic from it on one of its interface. For it i have enabled sflow and sent it to another ntopng server. but on ntopng ,...
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0 votes
0 answers
3k views

Fortigate VPN client disconnects cause SSH connection resets

I have to use Fortigate's SSL VPN client for Windows (version 5.4.1.0840) to connect to our corporate network. One of the most annoying things about this software is that whenever the VPN client ...
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-1 votes
1 answer
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ForiGate 60D Error VPN id=96603 msg="SSLVPN tunnel connection failed (Error=-12)."

i can login to vpn from web browser with same user name and password but when i try from fortigate clinet i am getting the error Error VPN id=96603 msg="SSLVPN tunnel connection failed (Error=-12)....
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0 votes
1 answer
2k views

Issues with DMZ on Fortigate 90D, second router can't reach internet

I am having issues setting up a DMZ port on my Firewall (hardware router). I am also assuming this belongs in Super User, as it seems like a basic DMZ setup. Here is the setup: I have a Fortigate 90D ...
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