Sophos Firewall looks up the matching DNAT rule for the traffic. Select the zone containing your web servers. Specify the source, destination, and services as follows: Name Select protocol IPv4 or IPv6 and select Add firewall rule.
#Sophos loopback nat how to#
The following image shows an example of how to configure the settings:Ĭreate firewall rules to allow traffic that matches the destination NAT rule, loopback rule, and reflexive NAT rule. Select a load balancing method to load balance traffic between the web servers.Select Create reflexive rule to create a source NAT rule that translates traffic from the web servers.Select Create loopback rule to translate traffic from internal users to the internal web servers. Select Create new and set Destination port to 4444.Īlternatively, you can specify Port1 in this example. Select Create new and set Destination port to 8888. In this example, specify the translation settings for incoming traffic to the web servers: Name Specify the rule name and rule position.Go to Rules and policies > NAT rules, select IPv4 or IPv6 and click Add NAT rule.Firewall rule to allow traffic from the internal web servers to any network.Firewall rule to allow traffic from an internal network to the internal web servers.Firewall rule to allow traffic from external networks to the internal web servers in DMZ.Load balancing method for the web servers.Reflexive rule to translate traffic from the web server to external and internal destinations: Web server internal IP list ( 10.145.15.42, 10.145.15.114) to Any.Loopback rule to translate traffic from internal source to internal web servers: Network LAN ( 10.145.16.10/24) to Web server public IP address (11.8.9.28) translated to Web server internal IP list ( 10.145.15.42, 10.145.15.114) with port translation from TCP 8888 to TCP 4444.Destination NAT from external source to internal web servers with port translation: Any to Web server public IP address (11.8.9.28) translated to Web server internal IP list ( 10.145.15.42, 10.145.15.114) with port translation from TCP 8888 to TCP 4444.Pre-NAT IP address of web servers: 11.8.9.28.The following network information is illustrative: Load balance traffic among the internal servers.ĭestination NAT is typically used to translate incoming traffic that reaches the WAN IP addresses.This is a source NAT rule for the internal servers. Specify a reflexive NAT rule to translate traffic from the servers.Specify a loopback NAT rule to translate traffic from internal sources to the internal servers.Create a destination NAT rule to translate traffic from external sources to the internal servers.
When you complete this unit, you'll know how to do the following: It also shows how to create firewall rules to allow the traffic. This example shows how to create a many-to-many destination NAT rule to translate incoming traffic to internal servers. Migrate to another authenticator applicationĬreate DNAT and firewall rules for internal servers.Check connectivity between an endpoint device and authentication server using STAS.Configure the user inactivity timer for STAS.How to see the log for Sophos Transparent Authentication Suite (STAS).Allow clientless SSO (STAS) authentication over a VPN.Configure a Novell eDirectory compatible STAS.Synchronize configurations between two STAS installations.Configure transparent authentication using STAS.Group membership behavior with Active Directory.Route system-generated authentication queries through an IPsec tunnel.
Configure Active Directory authentication.
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