ON Exchange 2010/13/19 when you try to give Send As Permissions for security group to users Group you may get this error : Access is denied. Active directory response: 00000005: SecErr: DSID-03152857, problem 4003 (INSUFF_ACCESS_RIGHTS), data 0 To work around this issue, add the “modify permissions” permission for the Exchange Trusted Subsystem group to theContinue reading “Send-As problem 4003 (INSUFF_ACCESS_RIGHTS), data 0”
Author Archives: rafaelit
Apache Log4j Zero-Day Exploit
A critical vulnerability has been discovered in Apache Log4j 2, an open-source Java package used to enable logging in many popular applications. AS i write before , Log4j 2 is a popular Java logging framework developed by the Apache Software Foundation . The vulnerability, CVE-2021-44228 (CVSS severity level 10 out of 10), allows for remote codeContinue reading ” Apache Log4j Zero-Day Exploit”
Symantec / Broadcom ABRCA Root Certificate is about to Expire
HELLO ALL If you have any Symantec / Broadcom solutions in your Org like – sslv , proxy , Reporter , PolicyCenter etc … please pay attention that BRCA Root Certificate is about to Expire . as Symantec say : If the appliance certificate expires, certain appliance-to-back-end communications flows that use the appliance certificate forContinue reading “Symantec / Broadcom ABRCA Root Certificate is about to Expire”
Microsoft Teams Essentials
Microsoft announce the first standalone offering of Microsoft Teams designed specifically with small businesses . Microsoft Teams Essentials will be priced at $4 per user per month , and provides expansive limits and features for hosting professional meetings and collaborating in one place: Unlimited group meetings for up to 30 hours Meetings with up to 300 people 10Continue reading “Microsoft Teams Essentials”
OpenID Connect with Pinniped and Keycloak
OpenID Connect (OIDC) allows us to use an Identity Manager Provider (IDP) with our Kubernetes cluster. Keycloak will act as the IDP alongside the Active Directory and Pinniped will provide kubernetes the ability to use the Active Directory users for role assignment. The following article goes over Pinniped installation and configuration, keycloack should be installedContinue reading “OpenID Connect with Pinniped and Keycloak”
Microsoft November 2021 Patch Tuesday fixes 55 flaws, 6 zero-days
Microsoft has fixed 55 vulnerabilities with today’s update (November 2021), with six classified as Critical and 49 as Important. The number of each type of vulnerability is listed below: 20 Elevation of Privilege vulnerabilities 2 Security Feature Bypass vulnerabilities 15 Remote Code Execution vulnerabilities 10 Information Disclosure vulnerabilities 3 Denial of Service vulnerabilities 4 Spoofing vulnerabilities The sixContinue reading “Microsoft November 2021 Patch Tuesday fixes 55 flaws, 6 zero-days”
OWA Security
OWA Security introduction When users in an organization work with OWA (Microsoft Exchange Outlook Web App) from anywhere in the world, they are likely to leave behind copies of mailings that have saved or opened on computers from which they have accessed the service. In fact, when you open Attachment in OWA, a copy ofContinue reading “OWA Security”
OpenID – Connect Jenkins with Keycloak
On this blog I will show how to connect Jenkins to keycloak with OpenID . you can learn about keycloak installation on this link : https://www.keycloak.org/docs/latest/server_installation/index.html#guide-overview KEYCLOAK SERVER The first step is in Keycloak , you need to create a new Client on the Realm you configure when you build your own keycloak server (inContinue reading “OpenID – Connect Jenkins with Keycloak”
Windows CA (Certificate Authority) Server – The trust relationship between this workstation and the primary domain failed
When your CA server lost is Trust with the AD Domain yo will get this error after you put your username and password : The trust relationship between this workstation and the primary domain failed At the same time, events with EventID 5719 with the source NETLOGON appear in the System section of the EventContinue reading “Windows CA (Certificate Authority) Server – The trust relationship between this workstation and the primary domain failed”
Windows 365
Windows 365 is a new cloud service by Microsoft that takes the operating system to the Microsoft Cloud and securely streams the full Windows 10 or Window 11 experience – including all apps, data, and settings – to personal or corporate devices easily. The ability to access a virtualized Windows desktop through a web browserContinue reading “Windows 365”