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- WHAT DOES SONICWALL NETEXTENDER DO HOW TO
- WHAT DOES SONICWALL NETEXTENDER DO PC
- WHAT DOES SONICWALL NETEXTENDER DO MAC
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Although one might consider that an active RDS session should not be considered inactive by the SonicWALL, in practice this value can indeed cause the RDS connections to be dropped. When creating a firewall rule in SonicWALL firewalls, the TCP Connection Inactivity Timeout is set to 15 minutes by default. In my experience, the single biggest cause of dropped RDS connections over VPN tunnels is due to TCP timeout settings that are too low.
WHAT DOES SONICWALL NETEXTENDER DO HOW TO
The sections below describe how to achieve best RDS performance over SonicWALL site-to-site VPN tunnels and many of the settings will also apply to connections using the software SonicWALL Global VPN Client (GVPNC), particularly PMTU since this can vary between different client Internet connections.Ĭonfiguration Items to Consider TCP Timeout This reconnection process can take anywhere between a few tens of seconds and a minute or more and is very disruptive for the end user. A momentary drop in connection can cause the RDS client to disconnect, freezing the screen for the end user until the RDS client automatically attempts to reconnect. RDP is a streaming protocol and is very sensitive to interruption in the connection. This article focuses on the latter, and specifically on providing such Remote Desktop Protocol (RDP) services via a site-to-site VPN tunnel using Dell SonicWALL firewalls at each end, because we experienced some issues with intermittent, recurring dropped connections and a web search showed that (a) we were far from the only ones and (b) no single website had provided a comprehensive solution.
WHAT DOES SONICWALL NETEXTENDER DO PC
Also, on the Route Print from the Remote PC you can see the routes created in the route table which will be removed when Netextender disconnects.Īttachment: SonicWall_UTM_SSL_VPN_using_tunnel_all_mode_for_certain_IP_Public_addresses.Here at Cantarus, our multi-purpose kalaniCloud hosting is used for a variety of different hosting requirements, from websites and backup data to email and Windows Remote Desktop Services (RDS), formerly Terminal Services (TS). As we can see when we connect to the SSL VPN the traffic to the Networks is being Natted out correctly.Ĩ. There should already be a NAT policy auto created to NAT the Traffic out of the WAN IP from the SSL VPN Network, if not create one like below, (Tip if you enable Tunnel All mode on the SSL VPN Client Route Settings and then Disable again it will auto create the NAT policy for you and retain it even after a reboot.)Ħ. We now need to add the IP addresses to the SSL VPN Services Group VPN Access Networks like on the image on the right,ĥ. Add the Firewall rule from SSLVPN to WAN, in this instance I am using the Group for the IP and the Ping to 9.9.9.9 IP.Ĥ.
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WHAT DOES SONICWALL NETEXTENDER DO MAC
This currently doesn’t work With FQNS only IP address as all the SonicWall is doing is updating your route table on your PC / MAC which won’t support FQDN entries.ġ. Add the Address objects for the required remote IP addresses like below making sure the objects are in SSL VPN Zone, you can then add to a Group.Ģ. Add the individual Objects not the Group to the SSL VPN Client Routes, in this example I have also got the Internal networks added to the routes as we will need to access those via the SSL VPN.ģ.This Document will show you how to achieve this.Though you could use Tunnel All mode, this isn’t necessary for all other web traffic, it would cause additional overhead on the SonicWall and possibly throughput issues on the remote workers endpoint. In certain scenarios you may need to have certain Public IP addresses forced through the SonicWall SSL VPN due to access to the sites / applications being restricted to your Business Public IP address, this would mean that any remote user would not be able to access the service or application whilst connected to the SSL VPN.This document is created based on 6.5 firmware but the procedures are the same with previous versions of SonicOS.