Ok, I had to post this because it was causing me some headaches! I dabble with Linux Email servers and want to use Outlook to connect, but was seeing this issue where when connecting to an IMAP/SMTP service it wants to use the “email address” as the login ID as for use in 0365 or … Read more
Requirements for trusted certificates in iOS 13 and macOS 10.15 Learn about new security requirements for TLS server certificates in iOS 13 and macOS 10.15. All TLS server certificates must comply with these new security requirements in iOS 13 and macOS 10.15: TLS server certificates and issuing CAs using RSA keys must use key sizes … Read more
These steps are from a high level view and cover the overall process. Some steps are omitted. Download the IOS and place it on a thumb drive, or tftp etc. copy tftp://yourtftpsite/cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin flash: (this may take several minutes to complete) When complete: software install file flash:cat3k_caa-universalk9.SPA.03.07.05.E.152-3.E5.bin After reboot/reload etc. software clean After the switch is … Read more
Free backup software to store encrypted backups online. For Windows, macOS and Linux Many Backends Duplicati works with standard protocols like FTP, SSH, WebDAV as well as popular services like Backblaze B2, Microsoft OneDrive, Amazon S3, Google Drive, box.com, Mega, hubiC and many others. https://www.duplicati.com/
Now this is really cool! What’s NFR? A Not-For-Resale (NFR) license is a license that can be used in a test environment or home lab for product demos and trainings. NFR for Veeam solutions is a cut above most regular trial keys because it has a 1-year retention period, instead of just 30 days. Here’s … Read more
How to check flash wear via PowerShell within Windows 10 To check the wear value of an internal SSD drive via PowerShell within Windows 10, launch an elevated PowerShell session and use the following command. Get-PhysicalDisk | Get-StorageReliabilityCounter | Select Wear Not all drives accurately report this value to Windows. In some cases, the counter … Read more
have you noticed that Certs you create on your Standalone or intermediate CA have a 1 year lifespan even if your CA has a 10 or 20 etc. year cert? Here is how to create certs with longer validity! Do this from the CA at the command prompt. certutil -setreg CA\ValidityPeriod “Years” certutil -setreg CA\ValditiyPeriodUnits … Read more
Original here – Reduce SSL cost and maintenance by using single certificate for multiple websites using SAN certificate SAN stands for “Subject Alternative Names” and this helps you to have a single certificate for multiple CN (Common Name). You might be thinking this is wildcard SSL but let me tell you – it’s slightly different. In … Read more
Copy the default template of openssl.cnf to a writable location. cp /System/Library/OpenSSL/openssl.cnf src Uncomment the req_extensions = v3_req req_extensions = v3_req # The extensions to add to a certificate request Add subjectAltName to v3_req section [ v3_req ] # Extensions to add to a certificate request basicConstraints = CA:FALSE keyUsage = nonRepudiation, digitalSignature, keyEncipherment subjectAltName = @alt_names Add the … Read more
First, set the default policies for each of the built-in chains to ACCEPT. The main reason to do this is to ensure that you won’t be locked out from your server via SSH: iptables -P INPUT ACCEPT iptables -P FORWARD ACCEPT iptables -P OUTPUT ACCEPT Then flush the nat and mangle tables, flush all chains … Read more