Here in this article we will configure Sophos XG firewall accordingly to prevent DOS attack to the internal network. Before going to configure DOS configuration in Sophos XG firewall, let us understand what is DOS and DDOS attacks ...
Continue readingUnable To Enable HA After replacing Old XG With New XG
Here in this article we will understand how to resolve the issue when we are unable to enable HA after replacing old XG with new XG. You can reproduce the issue by following the below ...
Continue readingHow To Set Specific MSS Value Through IPSEC Connection
Overview: Here in this article we will discuss how to set MSS value in IPSEC connection. After making the below changes all the traffic which is passing through IPSEC connection will use new MSS value.
Continue readingSophos UTM High Availability Stuck In Up2date
Issue: User UTM firewall is configured in high availability, he is trying to upgrade the firmware by leaving firewall in high availability mode. User observed slave node of the firewall stuck in up2date when updating ...
Continue readingHome LAN network and Corporate LAN Network Conflicting Sophos Connect Client
Issue Description: User is connected to corporate LAN network through sophos connect client VPN. User home network range is "172.16.16.16/24" and corporate LAN network is also using the same range "172.16.16.16/24". So if user connected ...
Continue readingAccess Points Behind Red Are Not Showing Up In Pending Access Points Sophos XG
Issue: Here in this article we will discuss how to sort out the issue when sophos access points behind red are not able to connect to sophos XG firewall configured in standard or transparent split ...
Continue readingHow To Configure IPS Exception In Sophos XG Firewall
Sometimes firewall module IPS will block some legitimate traffic as malicious traffic which results in blocking of some legitimate traffic. Here in this article we will configure how to create IPS signature exception in sophos XG firewall for ...
Continue readingHow To Troubleshoot IPSEC VPN When Some Multiple SA’s Are Inactive
Issue: Here in this article we will discuss how to troubleshoot the issue when one of the IPSEC SA's remains inactive. We can refer this article when some SA's are established and some SA's are ...
Continue readingHow To Configure SPF Protection In Sophos XG V18
Here in this article we will understand what is sender policy framework (SPF) and then we will discuss how to implement SPF protection in sophos XG firewall to protect spoofed and spam emails Overview Of ...
Continue readingSophos Connect GUI “Service Unavailable Error”
Issue: Here in this article we will discuss how to resolve this error "service unavailable error" in sophos connect VPN as shown in the below image
Continue readingHow To Troubleshoot High Availability Issues In Sophos XG
High availability is a clustering technology that is used to maintain uninterrupted service in the event of power, hardware or software failure. HA Configuration Modes: Active Passive: In an active passive mode, ...
Continue readingUnable To Send Scheduled Back Up In Email Sophos XG
Issue: In this article we will focus on how to resolve the issue when scheduled back up is not sending through email. Under administration >> notification settings user has configured built in ...
Continue readingHow To Troubleshoot IPSEC VPN Logs In Sophos XG
Here in this article we will learn how to troubleshoot IPSEC VPN related issues in sophos XG firewall by analysing logs. In case if you are doing initial setup for VPN, follow this article:
Continue readingHow To Configure Outbound Email Routing In Sophos XG
Here in this article we will discuss how to configure outbound email routing through sophos XG firewall. First step for configuring outbound email is to create firewall rule to allow email traffic from LAN to ...
Continue readingHow To Configure Inbound Email Protection In Sophos XG
Here in this article we will discuss how to configure email protection in sophos XG. Sophos XG email protection works in two modes MTA modeLegacy Mode In this article we will ...
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