Sophos Firewall: How to protect against TearDrop/LAND/WinNuke/Smurf attacks
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Smurf
Teardrop
LAND and…
Sophos Firewall: What action MTA will perform on specific SPF results?
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
What to do
Overview
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Sophos Firewall: [RED] A split network may never be in the same network as the uplink on the RED side.
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Content
Overview:
Scenario:
What are the options…
Sophos Firewall: How to determine the base image version of the Sophos Firewall deployment in Azure and list the versions currently available on the Azure marketplace
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Overview
Occasionally, you may be required to manually replicate…
Sophos Firewall : Application filter recommended settings for better application detection
Disclaimer: This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
CLI settings
IPS-Settings…
Sophos Firewall: Explanation why Zero-day Protection log entries are shown in Log Viewer without a Zero-day Protection license
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Explanation
Overview…
Sophos Firewall: Heartbeat service is not started after a fail over
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Hi Community,
After restoring the backup on the HA enabled appliance…
Sophos Firewall: Configure Route-based VPN (RBVPN) between Sophos Firewall and Google Cloud Platform (GCP)
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
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Sophos Firewall: Troubleshooting Guide - Email Notification not working
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table Of Contents
Overview:
Prerequisites:
What To Do…
Sophos Firewall: Unable to access Webadmin and User Portal externally
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview:
Scenario:
Step 1: Verify…
Sophos Firewall: Troubleshoot a broken application in SFOS
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Invalid Traffic
Troubleshooting…
Sophos Firewall: How to submit an RMA case and setup the replacement firewall
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Overview
This Recommended Read describes how to identify and…
Sophos Firewall: SSL VPN – Certificate Verification Failed
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Note: Make sure your Sophos Firewall time is correct to avoid potential…
Sophos Firewall: Understanding “top” and “atop” command in Sophos Firewall/UTM
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table Of Contents:
Overview:
Scenario
Understanding …
Sophos Firewall: SSL VPN "IPv4 lease range" changes OR global settings update gives error "You must enter a network IP address." in SFOS v19.
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
What is the change in SFOS…
Sophos Firewall: SATC with Sophos Server Protection Step by Step Guide
Disclaimer: This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
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Sophos Firewall: Using Firewall "Rule Groups"
Disclaimer: This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Applies to:
Configuration:
Steps:
…
Sophos Firewall: Heartbeat stops showing any endpoint clients on GUI
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
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Sophos Firewall: License Sync Failed
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Scenario
What to do
…
Sophos Firewall: ISP Gateway Fluctuation
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview:
Scenario:
Required information…
Sophos Firewall: Steps to convert Sophos Firewall from PAYG to BYOL on Azure
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Configuration
Step 1: Take…
Sophos Firewall: How to Identify the communication issue with up and running IPSec tunnel
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
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Sophos Firewall: Uninstall the SSL CA certificate
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Untrusting & Uninstalling…
Sophos Firewall: Configure an L2TP connection for Windows
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
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Sophos Firewall: Establish IPsec connection between Sophos Firewall and Check Point
Disclaimer : This information is provided as-is for the benefit of the Community. Please contact Sophos Professional Services if you require assistance with your specific environment.
Table of Contents
Overview
Prerequisites
Configuration…