• Sophos ZTNA: Access Sophos Firewall Web Admin from ZTNA (Part 2: Set up a Directory Service)

    emmosophos
    emmosophos
    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 Setup a Directory Service Create an Azure…
    • over 1 year ago
    • Zero Trust Network Access
    • Recommended Reads
  • Sophos Email: Reviewing Phishing Guidance - Stopping the Attack Cycle at Phase One [CISA/NSA/FBI/MS-ISAC Joint Guide]

    JeramyKopacko
    JeramyKopacko
    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 Background Phishing to Obtain Login Credentials…
    • over 1 year ago
    • Sophos Email
    • Recommended Reads
  • Sophos Firewall: Troubleshooting Guide - Sophos Central cannot push group policy to Sophos Firewall

    taowang
    taowang
    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: Error, ADS server name already…
    • over 2 years ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: Temporary Fix OpenVPN (3.4.0) Unsupported Options error

    emmosophos
    emmosophos
    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 Background Temporary Fix …
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: How to Enable Multi-factor Authentication/OTP Settings With Captive Portal Authentication

    Vivek Jagad
    Vivek Jagad
    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 Product and Environment …
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Cloud Optix: Securing your S3 data & guarding what matters most

    Radhika
    Radhika
    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 Amazon Web Services (AWS) …
    • over 1 year ago
    • Sophos Cloud Optix
    • Recommended Reads
  • Sophos Firewall: O365/M365 Host Group

    LuCar Toni
    LuCar Toni
    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 Pre-requisite File: M365_31052024…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos UTM: Error [WARN-531] Directory Services Synchronization

    Arkita Thakkar
    Arkita Thakkar
    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 …
    • over 1 year ago
    • UTM Firewall
    • Recommended Reads
  • Sophos Firewall: Unable to find backdated logs in CLI of Sophos Firewall

    Arkita Thakkar
    Arkita Thakkar
    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 Situation What to do Step1…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: Active Directory (AD) Users Getting Locked After Multiple Failed Attempts on SSL VPN with MFA Enabled

    Mayur Makvana
    Mayur Makvana
    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 Background Configuration…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: PowerShell Script Library for migrating Sophos UTM to Sophos Firewall

    LuCar Toni
    LuCar Toni
    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 Migration Desk Accessing…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: Users unable to authenticate via OTP

    Erick Jan
    Erick Jan
    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 Pre-requisites Troubleshooting…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: How To Configure SSL VPN Remote Access When Sophos Firewall is Behind a NAT Device

    Raphael Alganes
    Raphael Alganes
    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 Requirements Configure SSL…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: Connect Akamai SIA and Sophos Firewall

    DominicRemigio
    DominicRemigio
    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 About Akamai SIA Hardware…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Email: Delivery Failed "550 5.7.1 Sender ID (PRA) Not Permitted" [Inbound]

    josepalad
    josepalad
    Hi Everyone! Do you have some emails failing to be sent to the Exchange 2019 after configuring Sophos Email gateway mode? If so, please read on. Scenario Used to have only Exchange 2019 (On-Prem) then Central Email Gateway mode is implemented to…
    • over 1 year ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: "550 5.7.1 XGEMAIL_xxxx Command Rejected" translated [Inbound emails]

    josepalad
    josepalad
    Hi Everyone! Do you ever get an email bounce back with Command Rejected error from Sophos Email protected domains? Here's an example. I sent this from a gmail.com account and got this message back: This number "0010" indicates what went wrong…
    • over 1 year ago
    • Sophos Email
    • Recommended Reads
  • Sophos Firewall: Using SD-WAN and XFRM to route System Generated Traffic like CFR to another location

    LuCar Toni
    LuCar Toni
    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 How it works Central Datacenter…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Firewall: SSL/TLS Inspection on Mobile Devices

    Raphael Alganes
    Raphael Alganes
    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 TLS/SSL Inspection…
    • over 1 year ago
    • Sophos Firewall
    • Recommended Reads
  • Sophos Email: DLP feature limitation

    Keyur
    Keyur
    Overview Data Loss Prevention (DLP) policy string matching based on keyword and/or regex works only with UTF-8 encoded message. What to do If you observed that it is not working as expected, then first verify the email header to see which encoding…
    • over 4 years ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: Troubleshooting common scenarios or issues

    FormerMember
    FormerMember
    Hi All, Check out the following article that describes troubleshooting information for common scenarios or issues that customers experience in Sophos Central Email. Sophos Central Email: Troubleshooting common scenarios or issues Regards,
    • over 4 years ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: Whitelist sophos.com in O365 ATP to prevent ATP from automatically releasing emails from quarantine

    DominicRemigio
    DominicRemigio
    Overview Sophos recommends that its domain ( sophos.com ) be whitelisted in Advanced Threat Protection (ATP) of Microsoft Office 365 to prevent ATP from automatically triggering links in Quarantine Summary sent by Sophos Email. Applies to the following…
    • over 4 years ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: How to report false positive or false negative spam e-mails

    FormerMember
    FormerMember
    Hi everyone, Check out this article that describes steps to submit spam samples and false-positives to Sophos for further analysis when using Sophos Central Email. Sophos Central Email: How to report false positive or false negative spam e-mails…
    • over 4 years ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: The proper host to do SPF sender checks

    josepalad
    josepalad
    Hi everyone! Do you sometimes see sender checks like SPF do not work as expected? For example in Sophos Email that it was accepted but sender check failed in the recipient email server? This might be because the checks are not done in the proper…
    • over 2 years ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: Getting "Access Denied" Non-Delivery Report (NDR) notification after configuring Gateway mode

    josepalad
    josepalad
    Hi Everyone! Do you ever get Non-Delivery Report (NDR) notification emails that have "Access Denied" when you try to send an email to the Sophos Email protected domain? Here is how the NDR looks like: This is usually caused by the following: …
    • over 2 years ago
    • Sophos Email
    • Recommended Reads
  • Sophos Email: "550 5.7.1 Command Rejected" error on outbound emails [Gateway mode]

    josepalad
    josepalad
    Hi Everyone! Do you have issues where outbound emails through Sophos Email's Gateway mode fails and the sender is receiving a Non-Delivery Report (NDR) alert that mentions: "550 5.7.1 Command Rejected" ? Well, you've come to the right place! Symptom…
    • over 2 years ago
    • Sophos Email
    • Recommended Reads
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