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Sophos XG: Active directory group membership working process

Here in this article we will learn group membership working methodology when user authenticate with the firewall. Before going through this article, please look into this article and understand how to imports the groups from active directory https://docs.sophos.com/nsg/sophos-firewall/18.0/Help/en-us/webhelp/onlinehelp/nsg/sfos/learningContent/AuthenticationConfigureActiveDirectory.html Issue: Once the user authenticates with user portal, user is falling under open group instead of his own group under active directory. […]

Gateway down alerts in Sophos XG Firewall

Issue: User is getting continuous gateway down alerts or notification in sophos XG firewall log viewer. Troubleshooting: Before understanding the resolution, first we need to understand when gateway becomes down or up. Please go to network >> WAN link manager Here in this location, if the status of the gateway is red in color then it indicates gateway is down. […]

Sophos XG firewall: RDP is slow in SSL VPN

Issue: When user trying to access RDP service through SSL VPN it is very slow. Troubleshooting: When user trying to access RDP service through SSL VPN it is very slow. Most of the times, VPN will not cause any issue in slowness But due to heavy traffic which is being generated through the RDP service, firewall might treat it as […]

Sophos XG Firewall: SSL VPN user unable access LAN

Issue: SSL VPN users are not able to access LAN network. Here in this article i will discuss about troubleshooting steps to perform when SSL VPN users are unable to access internal network, but the SSL VPN connect successfully. Resolution-1: If User A from the same network can connect to LAN network but, user B from the same network unable […]

SSL VPN downloading 0Kb file from user portal

Issue: When user downloading SSL VPN client from the user portal, it is downloading as 0Kb file. Resolution-1: Fill the default certificate Make sure to fill default certificate under certificate authorities Leaving default certificate empty might cause this issue. Resolution-2: Regenerate the Default certificate If the default certificate is already filled, identify the concerned user certificate under certificates section Step-1: […]

Sophos XG firewall: SSL VPN failed to join drive error

Issue: When user is trying to connect to SSL VPN, he is getting this error Thu May 31 12:01:14 2018 MANAGEMENT: >STATE:1527760874,TCP_CONNECT,,,,,,Thu May 31 12:01:24 2018 TCP: connect to [AF_INET] failed, will try again in 5 seconds: Das System hat versucht, einem Verzeichnis, das sich auf einem mit JOIN zugeordneten Laufwerk befindet, ein Laufwerk mit SUBST zuzuordnen. Resolution-1: This error […]

Sophos XG Firewall: Unable to generate any log & report

Issue: Our Customer’s XG can’t generate any log & report. It stopped and no any further log generated. We have checked all the log’s option, but it stopped ******************************************************************************************************************* Resolution: This could be due to some data base errors Please login to the firewall You can refer to this article for logging into sophos XG firewall: https://support.sophos.com/support/s/article/KB-000038697?language=en_US Select Option 5 […]