Windows | strange DNS resolve problem

Situation: Your machine lives in a corporate environment and uses your corporates own DNS resolver who’s located in your own LAN/IPsubnet. You didn’t define a default gateway in your IPv4 settings for security reasons. Resolving names via nslookup works fine, but windows himself (i.e ping) and third party software (like datev) run into resolve problems […]

nginx | redirect https://domain to different https://domain without browser cert errors

Standard nginx redirect: server { listen 80; listen 443 ssl; server_name up-eleven.de http://www.domain-a.tld; return 301 https://www.domain-b.tld; } Produces browser ssl errors (wrong cert) cs before executing the redirecting order the https connection is established between your browser and the orig domain. Solution: Run certbot on the orig domain you redirect from: The bot inserts this […]

Windows 10 since 21H1 | Failed access to samba guest shares

You can’t connect to a samba server configured with map to guest = Bad User Don’t try this at home: Re-Enable the guest account fallback Your risky solution: Tune your GPO. Computer Configuration\Administrative Templates\Network\LanMan Workstation\Enable Insecure Guest Logons ATTENTION:I’ve had faced situation when this didn’t do the trick. I hat to tune the registy: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters] […]