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Posts tagged as “Sophos XG”

Sophos XG: configure a Netflow server

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Netflow is Cisco’s network-developed networking protocol, which collects information about IP flows. It is possible under Sophos XG to configure a Netflow server. PRTG has a Netflow sensor. 1. From the administration interface, go to Administration 1 / Netflow 2 and configure the server 3 . Validate by clicking Apply 4 .

Sophos XG: port forwarding rule

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Introduction In this tutorial, we are going to create an incoming traffic rule by transferring from a specific port (443). This type of rule is used for: Publish a web server Inbound SMTP Publish POP / IMAP … Prerequisites Before you start creating the rule, you must add the host to the firewall. In the case of non-standard port, you…


Sophos XG: change the SSL VPN port

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By default the SSL VPN port on the Sophos XG firewall is 8443, since version 17.1 it is possible to change the VPN listening port. Using port 443 for VPN blocks listening to this port for other services (forward / WAF). 1. From the web interface, go to VPN 1 and click on Show VPN settings 2 . 2. Change…

Sophos XG: add a host

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On the Sophos XG firewall, it is necessary in certain cases to declare the host so that it can be used in the firewall rules. 1. From the interface, go to Hosts and Services 1 , IP Host Tab 2 and click Add 3 . 2. Enter the host information: 1 hostname 2IP address version 3 Type of address entered…

Sophos XG: secure emails

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Introduction In this tutorial, we will see how to secure emails with a Sophos XG firewall. The firewall offers two modes of operation for filtering emails: MTA : the firewall will act as an SMTP relay Legacy : it will be placed in transparent mode, which we will see in this tutorial. In both modes the security options are the…

Sophos XG: Web and application filtering

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In this tutorial, we’ll see how to put filtering on outgoing streams with a Sophos XG firewall. I will show you the two filter modules: Web: which is an internet proxy Application: level 7 filtering that allows to act the applications and actions available on a website For both modules, you must create a filtering policy and then apply it…

SOPHOS XG: clientless access

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Clientless access presentation Client-free access to Sophos XG firewalls allows connections to corporate servers without a VPN client by going directly through an internet browser as Citrix does. Clientless access configure Firewall configuration 1. Go to the firewall administration interface. 2. From the navigation menu go to Administration 1 / Device Access 2 and verify that the User Portal 3…

Sophos XG high traffic on the BITS application

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Symptom The Windows and Office 2016 updates use the operating system BITS to download the updates. The passage in the proxy of the firewall and the antivirus scan “prevents” the download and it runs in a loop saturating the tape.. You can see on the screenshot below the statistics on 12 hours with almost 80GB of download. How you can…