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Sonicwall (formerly owned by Dell) is a maker of UTM firewalls and other network related devices. Use this tag for questions about Sonicwall appliances

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With large file transfer packets are dropped with the error “IDP detection OOO Exceeded Max” on encryption/decryption engine subsystem

We have an in-house application for sending large files. Using TCP/IP this application uploads the files to a server on our main office network and then sends a link to the file as part of an email. ...
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38 views

How To: SonicWall - New Subnet, Synology Fileserver connected X2, Accessable from LAN(X0) and SSL VPN

I have some specific Questions, because I cant figure out how the SonicWall works. To excuse me beforehand: I am not a SysAdmin but I need to configure the SonicWall properly. (Like thrown into the ...
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1answer
369 views

SonicWall is dropping encrypted packets with error “sonicwall ipsec vpn decryption failed selector check error”

I have implemented a Site-to-Site IPsec tunnel between a Juniper SSG firewall and a SonicWall. However, any traffic that I send over the tunnel gets dropped on the SonicWall with an error saying ...
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1answer
153 views

1-1 NAT on a SonicWall with a DMZ

A new PBX is being installed at one of our clients today, and they have requested that we give them one of our unused public IP addresses(Comcast is the ISP, have a block of IPs) for use with the PBX. ...
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1answer
138 views

SonicWall Site-to-site VPN with WAN IP endpoint

I'm not a real network engineer (just something I must dabble in from time to time), so hopefully I will provide enough detail and use the right terminology here. We have a site-to-site VPN ...
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1answer
133 views

Trouble routing SSH traffic from internet to private server via VPN - Sonicwall to Draytek

Our small business uses a Sonciwall TZ210 on a fixed IP line in our office, subnet for this location is 192.168.3.0. This is connected to a Draytek 2850 router at my home address using an IPSec VPN ...
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1answer
113 views

SonicWALL TZ300 Setup

I'm just about to start setting up a SonicWALL TZ300 on my network, I'm trying to get my head around how the network should be set up (this is my first time installing a SonicWALL device) and looking ...
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335 views

SonicWALL VPN dropping user randomly

We have a user connecting in to the VPN to do remote work and he is seeing his connection drop randomly. After 5 minutes, 10, 35, 45 minutes. While actively doing work. Not idle connection. The ...
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1answer
275 views

Accessing Sonicwall VPN behind new modem

So we have a Dell Sonicwall unit that serves as our firewall and also runs the VPN functionality via the Sonicwall SSL-VPN and the accompanying client side application, Sonicwall NetExtender. We have ...
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2answers
102 views

Set up Failover WAN with Double NAT (SonicWall)

I am trying to set up failover WAN on a SonicWall TZ300. My primary cable connection comes in via static IP (modem is bridged) to interface X1. My cellular backup is also a static IP to interface X2 (...
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28 views

SonicWall IPSpoof

i've this strange problem about IPSpoof on my SonicWall. I've an X1 port connect to internet by ppoe (60.10.10.21), and a X3 port (192.168.10.253) connect to a router (192.168.10.254) for the ...
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55 views

Need help setting up a Dell Sonic wall to only allow traffic through certain ports

I have a Dell Sonicwall that I am trying to use to control traffic to a host . The host is sitting in the same building but it is an external entity so they should only be able to see certain traffic ...
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1answer
205 views

Small office network setup help

We got a Linksys LGS552p switch (192.168.50.149), and a TZ400 Firewall (192.168.50.1) behind an "AT&T Modem", but we have external an IP address for the TZ400. I need to setup VLANs: 90 for ...
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0answers
459 views

Sonicwall with BGP unable to route to AWS VPN

I'm trying to get our local Sonicwall NSA 2600 to connect to a AWS VPN, within a VPC. I have the IKE portion working and AWS shows the two pipes are connected The BGP routes show as up in the router ...
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2answers
372 views

Sonicwall NSA 5600 Dual Wan / HA + Dual Switches how to setup fault tolerance and VLANs

I have a client that has purchased two SonicWall NSA 5600s and they would like to run two WAN connections from separate providers into two SonicWalls into two Cisco switches so that they can achieve ...
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0answers
163 views

How is user gaining Remote access via SonicWall without VPN

Hello and thanks in advance for your advice. I recently started supporting a small business and have a problem I can't figure out. The office has 6 remote employees who access the office network via ...
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1answer
1k views

Routing to another local network with sonicwall

I have two separate networks: a data network and a VoIP network. The data network has a sonicwall tz210 on it between our network and our ISP. We just installed a separate VoIP network connected via a ...
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1answer
887 views

Sonicwall Site to Site VPN no Traffic

I've set up a sonicwall site to site vpn between two Sonicwall devices - site A is a TZ210. They are connected as far as the VPN is concerned, but there is no traffic, or one way traffic at best. ...
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1answer
816 views

Can't connect to SonicWall NSA 2400 whether in/not in Safe Mode

So my boss has tasked me with setting up a SonicWall NSA 2400 we have lying around to act as a backup in case our current Firewall goes down for whatever reason. He doesn't want the high availability ...
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1answer
251 views

Blocking facebook app in sonic wall

we have sonicwall TZ 210 and most of the licenses have expired. I have to block facebook apps, youtube and so on from mobile users as well as workstations. As i followed the guide for this ...
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4answers
8k views

What does a UDP connection timeout really mean?

Since UDP is a connectionless protocol, I'm confused by the setting on my Sonicwall Firewall for "UDP Connection Timeout". It's set at a default of 30 seconds -- but what exactly times out after 30 ...
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2answers
447 views

Opening a port from one subnet to another

I have a websever set up on a DMZ and a database server that is set up on another subnet. I need to allow access to the database from the webserver but not open the port to the internet. Lets say the ...
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3answers
79 views

How do I send syslogs from a UTM/switch to a cloud-hosted log server?

I'm a small MSP trying to start a logging solution for my clients via a cloud-based log server SaaS provider. I'm not understanding, however, based on any of the instructions I've read from the ...
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1answer
51 views

Sonicwall tz400 - is the proposed architecture for a site to site VPN possible?

I'm new to SonicWALL and Site to Site VPN Configurations. We have a sonic wall tz400 and have our local workstations configured to receive public IPs in the 167.x.x.x/24 range. The question is if the ...
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2answers
185 views

Sonicwall NSA 3600 - allow vlan access to one website

I have one physical interface (X0) on my sonicwall NSA 3600 with 4 different virtual interfaces (X0:V120, X0:V121, X0:V130, X0:V140) for the different SSID's broadcasted. I Would like Vlan X0:v140 to ...
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2answers
2k views

How do I block league of legends

I have an education client that has students accessing the popular game League of Legends and they have requested that we block it on the network. They have some level of BYOD, we are primarily doing ...
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1answer
79 views

sonic wall - bridge 2 lans

I'm trying to bridge 2 networks one using SonicWall NSA240 (192.168.100.1) one using Cisco 1940 (192.168.129.1) Both are working as DHCP servers on their networks. I want to access machines on the ...
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2answers
214 views

How do I bulk change admin user passwords on my SonicWALL?

I need to frequently bulk change administrator passwords as well as local admin users for over 30 SonicWALLS throughout my organization. Is there an easy way to do this either via GMS or the CLI? The ...
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361 views

Packet Loss between two similar VPN sites.

I have two sites connected via VPN both using Sonicwalls (1x NSA 2600 /w HA running SonicOS Enhanced 6.1.2.3-20n, and 1x TZ205 of unknown firmware. Both sites have 100/5 mb cable connection with ...
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1answer
766 views

SonicWall NSA 2400 and 1:1 NAT with multiple public IPs

Currently I have set 1:1 NAT to translate 1 public IP to 1 private IP but is there any way to set multiple public IPs to one private IP on NSA 2400? Or I need to set another 1:1 NAT with different ...
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1answer
164 views

Sonicwall Interfaces and DHCP servers

I have my main network on X0 on the Sonicwall NSA3500 and use a DHCP server on a linux box in my main network. This subnet is 192.168.20. I have a Wireless Access Point connected to the X3 interface ...
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2answers
197 views

SonicWALL - 2 VPN subnets need to communicate

Here's my problem: 3 separate Internet locations; one of these locations is the "main" location. The other two "branch" locations connect to the main location over IPSec VPN. What I need to do is ...
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2answers
453 views

Routing Branch Site Internet Traffic Through Headquarters

I have a VPN between 2 sites connected by a private link point to point. Now I need to find a way how to allow the Internet Traffic from branch Through the main Firewall. I am using Sonicwall tz ...
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2answers
6k views

SonicWALL TZ 300 DNS Forwarding

Clients set up with static IPs and static DNS entries pointed to my SonicWALL at 192.168.0.1 fail to resolve DNS lookup request. Client DNS -> 192.168.0.1 (DNS look ups fail) Client DNS -> Dynamic (...
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1answer
1k views

Sonicwall IKE Initiator drop

I am trying to resurrect a once working VPN between two Sonicwall devices. The branch office is the initiator and sends the request, the main office drops the packets and signals an error: IKE ...
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1answer
127 views

Multiple subnet exist on not seperated network segment?

In my working environment that I managed for almost 2 years running network that had multiple subnet on it .The subnet are 192.168.61.0/24 and 192.168.64.0/24. The question is the subnet was run ...
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1answer
471 views

Help with VLAN Configuration between 2 MikroTik CRS125-24G Devices [closed]

I have a SonicWALL with X0=10.11.10.0/24 and X2=192.168.11.0/24. The downstairs MikroTik ports 1-19 are in 192.168.11.0/24, and ports 21-24 are in 10.11.10.0/24 I am assuming port 20 will be my trunk ...
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52 views

How to deny bypassing a Mac filter?

I have router, and I made a MAC filter specific to a mobile MAC address. One of my clients has an iMAC with Internet sharing enabled. He can access the Internet bypassing the MAC filter. How can I ...
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1answer
397 views

SoniWall DHCPD does not allocate subnet addresses

Why does my SonicWall fail to allocate DHCP addresses to my virtual subnet? I am trying to configure our VoIP phones. I have configured our sonicwall TZ 215 to have two networks on the LAN: ...
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1answer
886 views

SonicWALL Load Balance Term

Currently I am learning about load balance method available on SonicWALL. I have some question regarding the load balance methods for 1) round robin 2) spill over 3) percentage. Assuming there are two ...
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3answers
2k views

Sonicwall TZ100 Https management

I have a pretty old Sonicwall TZ100 installed in my network. After a recent update of Chrome, I am not longer able to manage the appliance through the SSL address https://sonicwallip. Google Chrome ...
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1answer
657 views

Dell SonicWALL SSL VPN applying a /32 (255.255.255.255) subnet mask

I currently have setup my SonicWALL TZ215 with SSLVPN. I am connecting from my 2015 MacBook using the SonicWALL Mobile Connection application. The application correctly connects, but when I run ...
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194 views

Losing HTTPS and SNMP connections to NSA 2600

I have just replaced our Sonicwall NSA 220 with a Sonicwall NSA 2600. Initially everything seemed to be working fine. But after about 28hours I lost contact with the Firewall, only pings remained. My ...
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2answers
963 views

How to put more than one WAN subnets into transparent mode in sonicwall?

I have a Sonicwall with two WAN connections, a primary WAN (X1) and backup WAN (X2). I have defined a DMZ on X3 in transparent mode, to use some of the public IPs from the WAN. I can't use NAT since ...
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1answer
2k views

VLAN routing on a SonicWall TZ215

I desperatly need some help. Ok, quick topic. We've a fiber optic link configure through a Cisco 2960 with 2 externals VLAN (one for voip, one for data configure through 4 of the 2960 ports) on which ...
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2answers
2k views

I can't get a VLAN to talk to the LAN on a SonicWALL

On a SonicWALL TZ105, I have a LAN with the IP address of 172.16.20.1 & netmask of 255.255.255.0. I defined a VLAN with the IP address of 172.16.21.1 & a netmask of 255.255.255.0. Both are on ...
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2answers
2k views

How do I set up a Link Aggregation for 2 ports between a Sonicwall TZ500 and a Dell XP1018P

A LAG group on the X1018P managed switch is real easy but switch port configuration is not available on the TZ 500. Is there a way to set it up for 2 ports like x0 and x2 on the firewall and e15 and ...
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1answer
954 views

Backup configuration from SonicWall using ssh or scp

I'm evaluating whether to get a SonicWall TZ or a comparable Fortinet firewall. One thing i can't find but would really like to have is the ability to automate backing up the firewall configuration. ...
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3answers
1k views

Dual Network Switch Setup to Firewall - Best Practices

I have two Dell X1052 switches and a SonicWall TZ400 firewall. The SonicWall has a WAN port and then 6 available LAN ports. Is it best practice to connect a network cable from the LAN port of the ...
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1answer
1k views

Multiple Subnets on Sonicwall Firewall

I have a sonicwall NSA 2400 firewall which has a LAN on X0, WAN on X3 (Failover WAN on X1). The X0 lan is running subnet 192.168.50.x (interface IP of 192.168.50.253) and everything is working fine on ...