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How 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 down. Troubleshooting: In the above image, we can notice security association between “192.168.80.0/24” and “192.168.64.0/20” is down and security association between “192.168.1.0/24” and “192.168.64.0/20” is […]

How 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: Strongswan service is responsible for establishing IPSEC VPN, so all the errors related to VPN will be stored in “strongswan.log“. So the first step is to […]

SSL VPN Users Need To Connect With IPSEC Remote Networks

Scenario: Here in this article we will discuss the scenario where SSL VPN users needs to connect IPSEC tunnel remote resources. I will explain the requirement more clearly by showing in network diagram Lets say IPSEC local network is “10.0.0.0/24” IPSEC remote network is “10.0.1.0/24” SSL VPN IP network is “10.81.234.0/24” Now our requirement is to establish connection between “10.81.234.0/24″(SSL […]

How To Configure IPSEC VPN Connection In Sophos XG

Overview: Here in this article we will discuss how to configure IPSEC VPN site to site connection in sophos XG firewall. Using Site to Site VPN connection we can establish secure VPN tunnel between two private networks over internet. To establish VPN connection you need to configure IPSEC connection parameters in two firewalls. Configure IPSEC Connection: Click on VPN and […]