Sonicwall this site can t be reached. Restricted is applied to both LAN and Wireless segments.
Sonicwall this site can t be reached. Users who attempt to login through the Virtual Office who do not belong to the SSLVPN Services group will be denied access. I even tried adding access rules that would explicitly allow HTTPS connections to go through but it still did not work. Try: Checking the connection Checking the proxy and the firewall ERR_CONNECTION_REFUSED When they go to our websites CMS page. 144:80 TCP connection test successful! lm2. com Connecting to IP Address: 204. To resolve this, verify your current license count in the SonicWall management interface under VPN settings. com is fine on both port 80 and 443: Starting TCP connection test to , port:80lm2. Jun 1, 2023 · This article goes over how to limit the amount of connections being established from a source IP. New comments cannot be posted and votes cannot be cast. There are no firewall rules on the SonicWall that involve its IP address. 0/24 with the Geo-IP origin of Romania. Oct 28, 2024 · The webpage has a background script connecting over HTTPS to another site and that site's CA certificates are not in the SonicWall certificate store. May 1, 2012 · We have a Sonicwall SSL VPN 200 which is used occasionally for remote access by people working after hours or in remote offices. cat. If external websites are not getting replies when test from appliance System| Diagnostics. I just did another packet capture and got no dropped packets for the website. SonicWall ’s SSL VPN features provide secure remote access to the network using the NetExtender client. 5 and earlier firmware. A place for SonicWall users to ask questions and to receive help from other SonicWall users, channel partners and some employees. spiceworks. Try: Checking the connection Checking the proxy and the firewall ERR_… 3 days ago · The 'This Site Can’t Be Reached' error is caused by DNS issues, network settings or browser problems. Please follow the KB article: How do I generate a new SSL certificate from my SonicWall firewall? I don’t see anything written to the IIS logs on the gateway server. com and what licenses the unit itself shows on the licenses or Security Services Page. For a TZ 270 we have if a user gets external DNS sent from the firewall or statically set the same, they get frequent "This site can't be reached" DNS_Probe_Finished_NXDomain" To see if it would help, I under Policy, DNS Rules, I added proxy UDP only, for each of the local zones (LAN, DMZ1, DMZ2) & enabled DNS proxy cache and Enforce DNS proxy for All DNS requests. The purpose of this article is to decrypt and examine the common Log messages regarding VPNs in order to provide more accurate information and give you an idea of where to look for a resolution to specific VPN issues. ------- refused to connect. Firewall or Antivirus Restrictions – Security settings may block While the “This site can’t be reached” error might seem intimidating, tackling it isn’t as daunting as it appears. Checking the proxy and the firewall ERR_CONNECTION_TIMED_OUTnetsh winsock reset catalog netsh int ip Sep 9, 2016 · Which Sonicwall do you have? Most likely this is going to be a misconfigured client . You are connected, so the hard part is done. In order for the country database to be downloaded, the firewall should have the Geo-IP feature turned ON. abc NOTE . This can happen if the cache doesn’t invalidate properly or serves stale copies of pages. However, due to the filtering rigor SonicWALL delivers, websites that should not be blocked may also become inaccessible to Internet users. I can access the website in the LAN but cannot from internet. Jun 7, 2021 · This article will list all initial and most common configuration you can apply when facing issues with packet drops or ISP throughput. 170. Follow expert tips to restore access, improve uptime, and keep site running smoothly! May 30, 2023 · Resolution for SonicOS 7. Would prefer not to go through SSH each time. The text content is there and all the links work, but that is not the complete webpage. X. I have given it a different IP just to make sure and there was no change. It appears when the browser fails to establish a connection with a website. 4. 0. There were 3 dropped packets: 2 to 216. Table 74. So either it’s not even getting out or perhaps there’s something in IIS that’s causing the problem? Your suggestions are welcomed and appreciated. When I enter the address via address bar the page just comes back as: This site can't be reached X. When I was working with the Sonicwall tech we did a packet capture. local Remote Site: Few remote PCs,sonicwall firewall, domain name: mydomain. X refused to connect I tried all different browsers (IE, edge, Chrome Dec 29, 2023 · There are two interfaces in bridged mode each of them assigned to a different zone. Hello there, Ever since I replaced one my clients SonicWall to the Tz-400 I can no longer access the web gui when I am connecting remotely via vpn. I'm currently using NetExtender on a Windows 10 laptop. Jun 11, 2019 · This has me stumped and looking for some help from the crew here. 94. With DPI-SSL turned on, it should then show the sonicwall filter page for HTTPS sites for users. 88 milliseconds elapsed Sep 25, 2024 · I am using sonic wall tz400 firewall. This has been working fine until say Thursday - Friday last week when someone couldn’t connect. bloxcms. 212. I don't know what magic made that happen. 50 Aug 22, 2023 · Sometimes after some configuration or deployment changes, the SonicWall appliance is not trusted from the backend so it can't get the licenses synchronized. From our company network we can ping the other office public IP address but can’t access the URL Feb 22, 2023 · Add the site-to-site remote network to the GVC user's VPN access list in the UTM web management GUI. There have been no changes to the configuration on the SonicWall NSA, it's an NSA 2600, firmware: SonicOS Enhanced 6. If I turn off Windows firewall on the server, there’s no change. Troubleshoot connection issues with our step-by-step guide. “This site can’t be reached. Maximum number of concurrent SSL VPN users Dell SonicWALL Oct 28, 2021 · When troubleshooting a IPSEC VPN Policy either a Site to Site VPN, or Global VPN Client (GVC) connectivity the SonicWall Logs are an excellent source of information. And you have to use the correct DNS server address in your network interface settings. Nov 20, 2023 · This article helps us to configure SonicWall appliance (out of the box) manually. Login page when I logged in google chrome: This site can’t be reached 192. 1-R1262 May 9, 2022 · The site can't be reached, and sadly, Chrome can't provide a more specific error. Aug 23, 2023 · In SonicOS Enhanced, make sure the default NAT policy is in place and enabled If you are still unable to go online, connect a computer directly to the ISP modem / router and make sure you are able to go online. Feb 22, 2023 · Add the site-to-site remote network to the GVC user's VPN access list in the UTM web management GUI. This started happening this past Saturday. The below error message is displayed by the NetExtender client as the reason: The server is not New Sonicwall - users can't access secure sites Hey guys, Today I updated our old NSA 220 with a TZ400. gov but not to www. I have a new TZ370W and had difficulty with Cox ISP as the service was intermittent due to some issues on their part. Restricted, Unrestricted and Default. For example, I can get to whitehous. 6 Spice ups L5257 (L5257) April 11, 2023 Aug 29, 2022 · Websites getting blocked is a very frequent scenario. 1-R1262 Sep 25, 2024 · I am using sonic wall tz400 firewall. but we can’t access from the our company network. The only thing that clears it, temporarily, is to bounce the firewall which, as you can imagine, is not a long-term solution. Then today users were telling me that they cannot access certain websites. This page is hosted by a third party and it is up everywhere else and for me. Dec 14, 2023 · The following Google Chrome error "This Site Can't Be Reached" is a very common issue that Chrome users face. 164 and 1 to 23. With DPI-SSL off, the HTTPS sites will be blocked, but they won’t show the friendly sonicwall filter page for users, and instead just the generic browser “this site cannot be reached” page. SonicWall Redirecting May 9, 2022 · The site can't be reached, and sadly, Chrome can't provide a more specific error. Jun 17, 2024 · To fix the This site can't be reached the connection was reset error, try resetting your browser, disabling proxy server, and resetting IP settings. It showed no dropped packets. Jun 5, 2025 · It is recommended that you contact SonicWall technical support for assistance with this operation. The error/behavior you list is exactly what happens when an HTTPS site is getting blocked by the CFS services - Usually adding the site into the CFS white list would fix - when checking/testing with the security services off, are you certain the CFS services were actually off? If you don't have the DPI-SSL licensing/services, the CFS services only look at IP addressing for the HTTPS Aug 15, 2016 · All the sites use sonicwall devices. I tried to access it (within our network, via IP address) and received the following error: 503 Service Unavailable There are too many connections in use right now Jun 26, 2024 · Encountered "This site can't be reached" in your Chrome browser? Learn the steps to troubleshoot and fix this pesky browser to get web pages back online. Is there any other way for Sonicwall to filter the traffic other than the firewall and CFS? Because maybe that is where the exclusion for the IP allocation is Sep 18, 2025 · Why your site can’t be reached and how to fix it fast. This site can't be reached took too long to respond. I have 3 policies. 95. Check whether Enable HTTP Byte-Range requests with Gateway AV the SonicWall GAV by default suppresses the use of HTTP byte-range requests to prevent the sectional retrieval and reassembly of the potentially malicious content. Oct 14, 2021 · This article explains troubleshooting scenarios where users connected to Global VPN Client can access the VPN networks, but not the Internet. com/,, it's a public website so loads outside our network but in just shows "This site can’t be reached". The maximum number of SSL VPN concurrent users for each Dell SonicWALL network security appliance model supported is shown in the following table. Any ideas why I can’t access X1 on the web? Would like to be able to do so in case, for example, the second WAN goes down and we need access in to the firewall. Dec 4, 2024 · Learn effective ways to fix the "This Site Can’t Be Reached" error and regain access to websites. When you have tested bypassing SonicWall with the same ISP and public IP and the website works fine, Oct 1, 2025 · Are you experiencing the "This Site Can't Be Reached" error? In this article, learn five ways to resolve this error. Or, you can do this for an entire local users group and users will inherit this VPN access permission when they connect with GVC the next time. Without this enabled, the firewall will not attempt to TCP connection test to both licensesmanager. I use build-in wizard to configure "Public Server". Something like this : The first thing to do is find out if the MTU (Maximum Transition Unit) on the active WAN interface is right. It's not in the CFS, its not in the access rules. Sep 26, 2025 · To fix this site can’t be reached error, clear DNS cache, flush DNS, change DNS server address, or try the other methods listed here. Fortunately, if you find yourself dealing with this problem, you can unblock sites from a SonicWALL filter by using a proxy website. If not, please call your Internet service provider for further assistance. It typically arises due to issues with your internet connection or DNS and caching settings. com. " I'm using a TZ470 with firmware 7. Click Finish to complete the import of the Self-Signed Certificate from the SonicWall management. Jul 19, 2017 · Am I the only one who thinks that SonicWALL content filtering isn’t reliable? I’m using policy based CFS assigned via zones. Try: Checking the connection Checking the proxy and the firewall ERR_CONNECTION_REFUSED. Aug 15, 2016 · All the sites use sonicwall devices. 1. No reason seems to be avaible but 1 location is getting this This site can’t be reached admin-newyork1. This causes a discrepancy between what licenses show in mysonicwall. No settings have Sep 17, 2018 · I have a SonicWALL TZ 205 and 2 SOHOs that I can’t access with the latest version of Chrome, Edge and IT. The Unrestricted group is applied to an IP block that shouldn’t have any content filtering - this appears to be working. X This release includes significant user interface changes and many new features that are different from the SonicOS 6. You need to change DNS Servers or TCP/IP of your device to fix it. Site Caching Issues A problem with your caching configuration could also lead to “site can’t be reached” or timeout errors for users. May 29, 2023 · The following article provides in-depth troubleshooting for common DPI-SSL certificate related issues. We can access the URL using any internet access. rcf, user access or a firewall rule that needs to be added/modified. Dec 20, 2019 · If the VPN Tunnel is being established with a 3rd Party VPN device, then make sure that NAT – T is disabled (in case there is no NAT device in front of the SonicWall) . sonicwall. Mar 26, 2020 · The ultimate cause of this issue has not been determined, but SonicWall support has determined that the issue seems to occur when the WAN miniport (IP and PPTP) network devices are deleted, corrupted, or otherwise broken. Mar 26, 2020 · This article describes the troubleshootings steps to adopt when there are connectivity issues to the license manager. Unstable or Disconnected Network – Poor internet connectivity can lead to loading failures. However, when users experience a "failed to login" message, it can lead to frustration and disrupt workflow. com and lm2. Check the Local and Peer IKE IDs in the VPN policy if you have setup the Site to Site VPN Policy between the SonicOS Enhanced and Standard firewall. I can ping the website via sonicwall but cannot ping the website from internet . The thing about this error is that it comes with Mar 8, 2018 · Neally: I cannot go to login. Can DPI-SSL block sites with untrusted certificates? Yes. 7-83n. Apr 29, 2025 · What Causes the “This Site Can’t Be Reached” Error? Several factors can trigger this error, including: DNS Lookup Failure – The browser fails to convert a domain name into an IP address, preventing the website from loading. I deployed a new Sonicwall TZ350 to a SMB last night and things seemed fine. Oct 1, 2025 · Learn how to fix the ERR_CONNECTION_RESET error with 5 methods. X firmware. com refused to connect. 219. Jan 2, 2019 · Shouldn’t the SonicWall display a content-blocked page indicating the category that was blocked? It’s funny, I also have a SonicWALL and the block page seems to work very inconsistently. Networking sonicwall , question 10 121 August 16, 2016 Cannot access specific sites Networking discussion , general-networking 13 53 January 28, 2014 May 11, 2025 · How to Fix SonicWall SSL VPN Failed to Login [Easy Guide] If you are managing a network environment that relies on SonicWall SSL VPN for remote access, you are likely familiar with the convenience and security it offers. 1-R1262 A place for SonicWall users to ask questions and to receive help from other SonicWall users, channel partners and some employees. Oct 30, 2019 · Site cant be reached, out of nowhere? Other sites are working. 58. I used the configuration tool on Sonicwall's site to export the config, they updated it for me, and I downloaded it and imported it into the new hardware. Jan 16, 2024 · To avoid the warning message it is better to request a new certificate on the SonicWall and sign it with a trusted CA. Now the TZ370W is not allowing access to the management interface either through the static WAN IP or the LAN. 5. Mar 27, 2020 · This site can't be reached error in Google Chrome is caused due to issues in DNS servers. NetExtender is an SSL VPN client for Windows, or Linux users that is downloaded transparently. I can get to most websites, referring to public websites not internal. The below resolution is for customers using SonicOS 7. The SSL certificate installed on the NSA is valid as I can still securely access our company's May 17, 2021 · If you are using Microsoft Edge then you will get the error message “ Can’t reach this page ” which is similar to the error “This site can’t be reached” in Chrome. 25. The guide created 3 NAT rules and 1 Routing rule. Any suggestion? Kau Aug 15, 2016 · All the sites use sonicwall devices. You should not see a warning again for the Certificate not being trusted from this Windows 10 computer or Security Errors and disconnections in NetExtender for these errors. In the example below, the image references IP address from the network 80. The endpoint can be reached via HTTPS in the browswer, but using Connect Tunnel (on MacOS Catalina) is giving "<Site> is either currently unreachable or is not a valid sonicwall appliance" Any thoughts what might be my issue? Help/advice would be much appreciated. Jan 7, 2025 · O ne of the possible reasons for this behavior is that the firewall is flooded with multiple login attempts to the SSLVPN services/Virtual Office portal which is open on the WAN side of the firewall. When the maximum SSL VPN license is reached, no additional VPN connections can be established. May 28, 2024 · I have a Sonicwall TZ 500, and it works great. We have another office in different location and we all connected with VPN connection. I know there used to be the RC4 setting in the Diag screen, but I don’t see that option on the SOHOs or the TZ 205. The KB is available here. Google hasn't coughed up anything useful yet beyond "maybe your isp has blocked A place for SonicWall users to ask questions and to receive help from other SonicWall users, channel partners and some employees. Sep 15, 2025 · In this post, we take a deep dive into the “ERR_CONNECTION_TIMED_OUT” error and examine why you might see this and what you can do to fix it. Apr 11, 2023 · Unfortunately their support license has expired so I can’t reach out to Sonicwall directly. This method can also be used as a "bandwidth management" solution if the WAN connection is being consumed to quickly (aka, a 10mbps line is completely saturated and the Internet is going slow due to Oct 14, 2021 · Please verify SonicWall appliance reachability of WAN side default gateway and also getting Internet access and can be verified from System | Diagnostics, ping to any external website or any public IP address and make sure we get replay in both ways. Jan 7, 2025 · Many websites though allowed will only render partially. I have this configuration: 2 Sonicwalls w… Mar 26, 2020 · Leave the default for placing the certificate and click Next. Oct 14, 2021 · NetExtender / Mobile Connect client is connecting, it receives correct IP however it can't access internal resources (LAN). How can I determine the MTU size of WAN interfaces? We can use the Event logs to understand May 28, 2024 · I have a Sonicwall TZ 500, and it works great. Tweaking the caching settings or clearing the cache may be able to resolve any conflicts or glitches. I can log into the SSL VPN and get to my servers and other areas of the lan, but when I try to open a web browser and log into my Sonicwall via IP address, it says "This site can't be reached. This guide will walk you through the potential causes and Jan 30, 2014 · I am stumped. I would need to rdp into a server to access the Web Gui of the firewall. Mar 26, 2020 · For How to Configure/Troubleshoot DHCP, Please see the following: DHCP Related Videos: How to configure the SonicWall WAN / X1 Interface with Dynamic / DHCP IP address How to Conf Mar 2, 2021 · Ok, I did a little poking around. Feb 9, 2016 · Hello Everyone, I have an incident in wich I want to allow the subnet of my Telephone Exchange pass through the VPN Tunnel to have an extensión on the other sites that I have. From internet browsing the webiste, it shows "This site can’t be reached". How to resolve the problem? Please guide me. Server IP address could not be found” issue is one of the few things in life that is capable of invoking the kind of dread that few things can. Try: Checking the connection Checking the proxy and the firewall ERR_… Aug 27, 2021 · Hi, Here is the current setup: Primary Site: Windows domain controller, full network, sonicwall firewall, domain name: mydomain. See Also UTM: Troubleshooting PPPoE ISP Connectivity Issues Customer CommunityLoading × Sorry to interrupt CSS Error Refresh Sep 25, 2024 · I am using sonic wall tz400 firewall. Import the CA certificates into the SonicWall certificate store. Jul 29, 2022 · If you are able to access the remote computer over the site to site VPN by IP address and can't access the same computer by host name, it means your DNS server is not able to resolve the domain name and/or host name of the remote computer. Archived post. It loads and authenticates, but the management screen never appears. We recently moved some PCs (which were already part of primary domain) to a remote site. Not name resolution; doesn't work with IP either. In my forbidden domains for Apr 29, 2022 · If you're still seeing the "this site can't be reached" error, you might need to clear your Domain Name System (DNS) cache. Currently, they setup a application and can access via URL. This can be helpful for if there are too many connections being established by down stream clients. This is a temporary data file that stores information about recently visited websites. I can ping the websites but I can Aug 16, 2016 · All the sites use sonicwall devices. Aug 16, 2016 · All the sites use sonicwall devices. com:80 - 151. Both sites are connected via site-2-site-vpn Jun 6, 2023 · This article guides you to significantly reduce and troubleshoot Single Sign-On (SSO) agent related errors reported under Logs and TSR (Tech Support Report). Restricted is applied to both LAN and Wireless segments. Same err_connection_timeout message. Learn how to fix the DNS_PROBE_FINISHED_NXDOMAIN error on both mobile and desktop devices with this step-by-step guide. Aug 9, 2024 · Unable to connect to the UTM device via the NetExtender client. Connecting to the SSLVPN, it's impossible to reach the destination host. Jun 6, 2023 · This article guides you to significantly reduce and troubleshoot Single Sign-On (SSO) agent related errors reported under Logs and TSR (Tech Support Report). Learn how to fix it with 17 solutions! Sep 18, 2025 · Why do you get the “this site can’t be reached” error on browsers? This guide will show you how to fix it with a list of effective ways. local Site-2-Site VPN tunnel was setup 15 minutes ago. Jan 2, 2019 · Shouldn’t the SonicWall display a content-blocked page indicating the category that was blocked? Maximum SSL VPN license reached and inability to add new users or sessions on SonicWall devices. 168. From our company network we can ping the other office public IP address but can’t access the URL May 2, 2025 · We have a strange problem where the Sonicwall TZ470 is blocking some websites, particularly https://apc-overnight. Sep 5, 2024 · Frequently face Google Chrome "This site can't be reached" error on Windows? Here's a troubleshooting guide to fix the issue once and for all. bg rjobot tncb93h jf mwhrsj rf7ov0u ngwh einxun 6pdhfe cgl9