Reverse DNS and IP Reputation in Barracuda AntiSpam / AntiVirus Firewall CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA A while back, I configured the Barracuda AntiSpam / Antivirus Firewall 300 for my home lab to block email with Russian Character Set. I did this under Block/Accept, Regional Settings, Block Russian. This… Read more Reversed DNS and IP Reputation in Barracuda AntiSpam / AntiVirus Firewall
Microsoft Exchange Server 2010 SP2 Address Book Policy CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA Microsoft Exchange Server 2010 SP2 was released on December 04, 2011 with the following outstanding features: HCW: Hybrid Configuration Wizard (Manage On site premise Exchange box and Off Site with Office 365) in a single EMC… Read more Microsoft Exchange Server 2010 SP2 Address Book Policy
How to Configure a Barracuda Spam Filter Firewall to Relay Mail to Exchange Server CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA Open the Barracuda Spamfilter. Click Domains, Domain Manager, then enter the domain name to be added. Click Add Domain. Under the newly created domain, click Manage Domain. Click IP Configuration.… Read more How to Configure a Barracuda Spam Filter Firewall to Relay Mail to Exchange Server
How To Relay Mail through Exchange Server 2010 – SMTP Relay CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA From a Windows 10 host inside the LAN, we attempt to relay email through the Exchange Server using Windows PowerShell command: Send-MailMessage –To chuong@dalaris.local –From frank@dalaris.local –Subject Test –Body Test –SmtpServer 10.0.0.11 Out… Read more How to Relay Mail Through Exchange Server 2010 – SMTP Relay
How to enable Remote Desktop on a Server Core 2012 CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA On the server, enter the following command to check the status to Remote Desktop. cscript %windir%\system32\scregedit.wsf /ar /v If the return value is 1 then enter the following command to enable RDP. cscript scregedit.wsf… Read more How to Enable Remote Desktop on a Server Core 2012
How to find the Allocation Unit Size for a Volume CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA Launch the Command Prompt as Administrator, type fsutil fsinfo ntfsinto F: The Bytes Per Cluster information is the Allocation Unit Size. Alternatively, you can use diskpart to achieve the same goal. Type select volume… Read more How to Find The Allocation Unit Size for a Volume
How to Renew Exchange 2007 Self-Signed Certificate CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA We will renew an expired self-signed Certificate for Exchange 2007. Open Exchange Management Shell as Administrator. Obtain the status of all existing certificates by typing Get-ExchangeCertificate | FL Note down the ThumpPrint of the expired certificate. It… Read more How to Renew Exchange 2007 Self-Signed certificate
How to install and configure ProFTPD in Ubuntu 15.04.01 CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA Ensure that TCP, IP and DNS is correctly set on the server. Verify that TCP/IP is properly set: vi /etc/network/interfaces Verify DNS to ensure that is is properly set: vi /etc/resolv.conf is correctly set ping… Read more How to Install and Configure ProFTPd in Ubuntu 15.04.01
How to install SSH Client and Server in Windows 10 CHUONG K. NGUYEN – BSc., MCSEx2, MCSAx2, MCP, MCTS, MCITP, CCNA In Windows 10, the Command Prompt has been improved tremendously. You can select text and press Enter to have that text copied. This means that if we install SSH Client for Windows on a… Read more How to Install SSH Client and SSH Server in Windows 10