Web Security

What's new ?

Understanding Product Usage

Service IP addresses and ports

End of Life

Supported Browsers

Administrators

Single Sign On

Active Directory

AD Connect software

Roles

Keyword Lists

Devices & Groups

Active Directory Synchronisation Explained

Active Directory Object Synchronisation

Account Password and MFA

Role Builder

Granting access to synchronise Azure AD shared mailboxes

Add the Exchange Online API permission to an existing AAD connection

Google Workspace synchronisation

Configuration options for the macOS agent type

Configuration options for the Gateway agent type

Configuration options for the Windows agent type

Configuration options for the Chromebook agent type

Bypassing Office 365

Disable QUIC in Chrome Browser

Prevent Law features for UK organisations

Unclassified / Uncategorised Site Processing

Censornet Web Filtering Policy and Approach for Education

List of domains to bypass apps for SSL Interception

Bypass GoToMeeting & LogMeIn

Bypassing the Apple Store

Using Web Security with Sophos

Deployment Overview

Check for the presence of a system proxy user

YouTube appears to work despite Block or Warn final action applied

ERR_CERT_HAS_EXPIRED_ Digicert certificate expiry 2023

Processes used by the USS Agent for Mac OS X

Blocking Embedded Games in Google Search

Enable Enhanced Unpacking Engine

ESET issues identified

Active Directory Login Service

MIME Categories and Types

How to submit a URL reclassification request

Third Party Load Balancer Guides

What happens when my Web Security license is suspended or deleted?

Windows agent - force download of anti-malware database

Change the default listening port for the USS Gateway proxy

SSL/TLS Strict Mode blocked ciphers

How to add a Static Route to the USS Gateway

Export Agents using curl script

Installing an SSL Certificate on iOS 13

CVE-2020-15778

Microsoft Teams Bypass Exception list on mac OS

Custom URL parsing and overlapping patterns

YouTube Safe or Restricted mode enforced by DNS

Safari 17 Proxy Exceptions limit

Alter the default agent configuration poll time

Overview

Rules Engine Concepts

Filter Rules

Feature Control Rules

Browser Categories

Custom URLs

Bypass Categories

Deployment

Agent Configuration Profiles

Unblock Requests

Web Security: Product Configuration

Global Web Filtering Coverage

Web Categories List

Fair Usage Policy for Web & CASB (Inline)

Web Security: Quick Start

Web Security: Best Practice Guide

Getting Started

Requirements

Changelog - Windows Agent

Download Microsoft Windows agent

Deploying via Wizard

Deploying via Startup/Shutdown script

Deploying the Windows agent via a custom MSI

Deployment via GPO

Deploying via Microsoft Intune

Command-line parameters

Collecting debug information - USS Agent for Windows

Processes used by USS Agent for Windows

How to disable Device Guard or Credential Guard

Upgrading the USS agent from the v3.x release to the v4.x release

Installing the USS Agent SSL certificate in Firefox

Tray icon status codes

Temporary files generated by the endpoint agent software

Windows Agent Log File Storage

Incompatibility with nmap based products such as Wireshark

Deploying via Microsoft SCCM

Getting Started

Requirements

Changelog - MacOS Agent

Download MacOS Agent

Install - Deploying via Wizard

Command-line parameters

Collecting debug information - USS Agent for mac OS

mac OS agent VPN client incompatibility

mac OS Agent Log File Storage

Deploying the Mac OS X agent using JAMF

Getting Started

Requirements

Changelog - Chromebook Agent

Download Chromebook agent

Deploying Chromebook agent via Google Admin console

Overview

Charts

Authentication & Identification

Deployment

Network

Settings

System

Advanced configuration

Configuring USS Gateway to work with LoadBalancer.org software load balancer

Regular Gateway server maintenance

Preparing the USS Gateway for use with a load balancer

Installation (v2.x)

USS Gateway - Getting Started

USS Gateway - Requirements

Download Gateway Virtual Machine

Changelog - Gateway

Installation

First time Configuration

Accessing the Command Line

Take Packet Capture From Command Line

Reset Linux Password To Log Into Gateway Command Line

Captive Portal on Samsung Devices

'The Requested Content Was Blocked' Error Message

Resizing a Partition in ESX Server Virtual Machine

Interception of iOS and Android apps (SSL Pinning)

Deploying Web Browser proxy settings

Migrating the SSL intercept certificate to a new gateway

Using an intermediate CA signed by Windows DC root CA

Installing on Hyper-V

Updating the USS Gateway

Importing an SSL Certificate into the USS Gateway

Collecting debug information - USS Gateway

Adding a Static Route on a Gateway

USS Gateway Version 1 to Version 2 Migration

Chromebook Allowlist USS Gateway Proxy

Events not arriving for Office 365 Onedrive or Sharepoint

Overview

App Catalog

API Integrations

App Catalog List

Digest generation and Quarantines

Executive Tracking

Blocking emails from hacked Gmail accounts

Stop specific users from receiving Word documents

Detect credit card numbers in an email

Disable spam filtering for specific mailboxes

Nearby Domain Rule

How to Prefix a banner to inbound emails

IP Geolocation Connection Rule

CoreService filter classifications

Reject oversized emails

Configure Office 365 for EMS

Safelisting Email Security IP addresses in Office 365

Configure GMail using Google Workspace for EMS

MX records and IP addresses for EU customers

MX records and IP addresses for USA customers

MX records and IP addresses for UAE customers

MX records and IP addresses for all regions

Reporting spam or false positives

Configure outbound email for Exchange 2007/2010

Configuring TLS encryption

LinkScan: on-demand URL protection

Bulk Email & Fair Usage

Queue retention and retry times

Personal Safe Lists and Personal Deny Lists

Configure outbound DMARC

Configure outbound DKIM

Configure outbound email for Exchange 2016

CEA - Data storage explained

Reject message due to message “550 5.1.8 sender denied”

Insufficient system resources message on inbound email delivery

Email Sandbox - Supported file types

Outbound Delivery error: 550 Unable to relay

[Marketing Medium] or [High Medium] prefixed to the subject of mails

DMARC Failure Reporting

Image Analysis for Email supported image types

Powershell Script to list Office 365 Shared Mailboxes

What happens when my Email Security license is suspended or deleted?

Example Spam Digest or Quarantine Report

No Valid MX Record NDR message

How to onboard users into the End User Portal

Installing the Outlook add-in for Email Security

How to avoid multiple disclaimers being added when forwarding or replying to emails

Cisco Fixup Protocol

Adding images to email disclaimers

Reject Top Level Domains

Adding an alias to a primary mailbox

Outlook add-in is not the newest version

Temporary Server Error

Unable to Relay error on outbound email

Notify Recipient/Sender Actions

Managing DNS in Office 365

Upgrading to LinkScan version 2

MX records and IP addresses for India customers

DLP Dictionaries

Activate the Quarantine Portal for Spam Digest users

DMARC Abuse Report received even though it passes DMARC

Display Name Detection

How to configure Authenticated Received Chain (ARC) Inbound

How to use Custom Rule Data (formerly Dictionaries)

HTML attachments

How to block double extension filenames

Upgrade Outlook Add-in for reporting spam and phishing email

How to use the Domain Name Detection rule

Email Security: Best Practice Guide

How to detect simplified Chinese character sets

How does DMARC work?

SecureMail concepts explained

Configuring SecureMail

Using the SecureMail dashboard

Overview

Email Security: Quick Start

Message Rules

Connection Rules

Default Rules

Custom rule Data

Global Quarantine

Personal Quarantine

Spam Deny List

Spam Safe List

Mailboxes

Product Configuration

Group Management

Outlook Add-in V2

Placeholders for inserting message data into actions

Creating Custom Digests

Post Delivery Email Deletion (Retract)

Advanced Email Sandbox - Overview

Redirect emails to a different address

Configure Inbound mail on Office 365 to reject non-EMS emails

Managing an MFA lock-out

Count how many users are in an AD group

ADFS Login not being intercepted for MFA

Configure FortiGate to use PAP for Challenge-Response

Overview

Quick Start

Rules Engine Concepts

Authentication Client (server)

Authentication App (enduser)

Product Configuration

Third Party Guides

Configuring Windows Logon Protection

Configuring RADIUS Protection

Deploying the Cloud MFA Authentication App

Configuring RD Web Access using IIS Website Protection

Products not supporting RADIUS Challenge-Response

Configuring AD FS Protection

Activity Reports

Charts

Schedules

Data retention periods

Admin Auditing

Settings

Licenses

Notifications

Branding

Overview

Rules

Threats

Product Configuration

Analytics

Event Report

CEA User Guide

Viewing and Managing History in CEA

Using the CEA Outlook Add-in

Viewing and Managing Spaces in CEA

Managing Deletion Requests from CEA

Installing the Outlook Add-in for CEA

Legal Hold in CEA

Authorised Delete in CEA

Viewing and Managing CEA results

Compliant Email Archive Quick Start Guide

Understanding Data Guardians

Email Archive End User Guide

Configuring journaling on Exchange 365

Configuring authentication with O365 via OAuth

Configuring an Impersonation Account

Folder Replication Configuration

Assigning delegation via OAuth with User Directory

Compliant Email Archive - LDAP Configuration

Configuring journaling for Exchange and Office 365

Configuring a local user account

Re-enabling Outlook Homepage Tab

Ingest mail via Mailbox Reader for Exchange 2013 - 2019

Ingest mail via Mailbox Reader

End User Email Archive Authentication with ADFS

Introduction

Master Services Agreement (MSA)

Standard Contractual Clauses (SCCs)

Website Usage and Cookie Policies

Google Cloud Platform Onboarding Guide

Microsoft Azure Onboarding Guide

Posture Management Overview

Microsoft 365 Onboarding Guide

AWS Onboarding Guide

Salesforce Onboarding Guide

Grammar Regular Expression Engine

Applying a DLP policy in Email Security

Grammar Entity Short Names

DLP Policies

Allow SAT Domains for EMS customers

Allow SAT Domains for non EMS customers

Google Workspace - SAT Safelisting

How to allow download of images within emails

M365 - SAT Safelisting

Export SAT Reports

Using SAT Reporting

SAT Reporting Levels

Adding a New Admin on the SAT Portal

Manually Adding A New User to the SAT portal

Deleting Multiple Users via a CSV tempate

Setup AD-Sync on the SAT Portal

Upload Multiple Users via CSV template

Configure Google User Sync for SAT

Building a Simulation using On-Demand

Using the SAT Sim Creation Tool

Using the On-Demand Feature within the SAT Portal

Calendared Sends via On-Demand

Setup Guide for SAT Portal

Single Sign On (SSO) / M365 Configuration on the SAT Portal

How To See Your Automated SAT Journey

Identity Provider Configuration Guides

Service Provider Configuration Guides

Configuring Microsoft Azure as an Identity Provider

Configuring JumpCloud as an Identity Provider

Dropbox SSO

Salesforce SSO

Google Workspace SSO

Office 365 SSO with External Identity Provider

Product Notice - IDaaS and Office 365 apps

Adding an Office 365 app tile for convenience

Log Streaming Overview

Log Streaming to Microsoft Sentinel

Log Streaming record format

Log Streaming to Rapid7 InsightIDR

Log Streaming to Amazon S3

Log Streaming to Google Cloud Storage

Log Streaming for Splunk Enterprise or Cloud

Log Streaming to Sumo Logic

USS Gateway failing to install

Troubleshooting Filter Rules

Allow partial websites/specific YouTube videos

Gateway failing to join the domain - the address handle that was given to the transport was invalid

Gateway proxy authentication pop-up login dialog

Bypasses not applying

USS Gateway IP changes unexpectedly

All Categories > Quick Fixes > Web Security

7 articles

USS Gateway failing to install

USS Gateway failing to install. For the complete installation guide please see this article. There are two common problems which cause the USS gateway to fail during installation which all stem from…

Updated 4 months ago by admin

Troubleshooting Filter Rules

Troubleshooting Filter Rules. This article provides some common tips for troubleshooting Web Security filter rules. For a more in-depth guide on rule logic configuration please try this KB article. C…

Updated 4 months ago by admin

Allow partial websites/specific YouTube videos

Allow specific YouTube videos. In some instances you might want to block access to YouTube as a whole but allow partial access to specific videos. This article will guide you through the process. Exa…

Updated 4 months ago by admin

Gateway failing to join the domain - the address handle that was given to the transport was invalid

USS Gateway failing to join AD domain. If the USS gateway fails to join the Active Directory domain and you have verified all of the settings are correct you might need to join the domain via the com…

Updated 4 months ago by admin

Gateway proxy authentication pop-up login dialog

If the USS Gateway is prompting users to log in rather than using Kerberos for single-sign-on then this article will help troubleshoot the most common reasons. Please ensure you try all the steps unt…

Updated 4 months ago by admin

Bypasses not applying

Bypasses not applying. For a detailed guide on Bypasses please click here. Adding a bypass to a bypass category is not always sufficient. We will outline steps to troubleshooting a bypass which doesn…

Updated 4 months ago by admin

USS Gateway IP changes unexpectedly

USS Gateway IP changes unexpectedly. Sometimes changing a USS Gateway IP address via the user interface as mentioned here can not fully update all relevant settings in Ubuntu and cause the IP to reve…

Updated 4 months ago by admin

Web Security

USS Gateway failing to install

Troubleshooting Filter Rules

Allow partial websites/specific YouTube videos

Gateway failing to join the domain - the address handle that was given to the transport was invalid

Gateway proxy authentication pop-up login dialog

Bypasses not applying

USS Gateway IP changes unexpectedly

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