Fix for IIS -> https://securitytutorials.co.uk/http-header-internal-ip-disclosure/ and how to test after Can also be done via -> https://www.verifyit.nl/wp/?p=175955 How to test HTTP header side : ( curl -v […]
Category: Research
Research Undertaken
The message was not delivered. Failed 365
A user could not send email in Office 365 anymore , however everyone else in the tenancy could The user was listed in Restricted entities , remove […]
Azure policy based VPN ikev1 ( Basic ) dropping Pings
Recently setup a ikev1 VPN between Azure and an Old Sophos Gateway which only supported IKEV1 device Going through the Microsoft Parameters listed here About VPN devices […]
Errors Enabling DKIM 365
After enabling one domain in DKIM , you get errors in the GUI when trying to enable the others The operation couldn’t be performed because object ‘xxxxx.com’ […]
Cannot add spn to delegated tab
Recently I was trying to delegate an SPN For HTTP service for An App ProxyWhen Choosing the above I could no search for the SPN in ADI […]
AppLocker
For severs look at https://learn.microsoft.com/en-us/azure/defender-for-cloud/adaptive-application-controlshttps://dailysysadmin.com/KB/Article/6773/configuring-windows-applocker-to-protect-against-ransomware-attacks/ GitHub – microsoft/AaronLocker: Robust and practical application control for Windows <AppLockerPolicy Version=”1?><RuleCollection Type=”Appx” EnforcementMode=”Enabled”><FilePublisherRule Id=”041c480f-6af0-44b6-b712-ebc33913a055? Name=”All signed packaged apps” Description=”Allows members of […]
Account switch detected we were unable to verify your account MAC Outlook
After defederating a domain for a 365 tenant , trying to add the account back to Mac Outlook comes up with the error ” Account switch Detected […]
Sorry,but were having trouble signing you in – AADSTS50020 – Iphone
Trying to reset up the email account of a domain that’s been defederated from one 365 tenant to another , and for some reason, Outlook on the […]
Macintosh \ MAC stuck on “Installing on Macintosh HD”
Recently had a MAC do an automatic upgrade however stalled on 31 Minutes Remaining for 24 hours with “Installing on Macintosh HD” Rebooting the Computer and retrying […]
How to Block Ports on Azure VPN Gateway with Azure firewall
Recently setup a Site to Site ( S2S ) Connection into a VNET of an Azure Tenant By Default the existing Network security group attached to the […]