I'm reviewing Active Directory telemetry from a domain-joined Windows workstation and noticed that Kerberos traffic goes to one endpoint while LDAP searches go to another. In this case,…
I'm analyzing Active Directory telemetry from a domain-joined Windows workstation. The workstation obtains or uses Kerberos tickets through one endpoint, but later sends LDAP queries to a different…
We have a private PKI with an offline root CA and an online intermediate CA. A device certificate's Authority Information Access (AIA) extension points to the intermediate CA…
I recently migrated the network to separate VLANs, moved the BIND DNS service to a new machine and newer version, and changed the firewall/routing setup. The BIND server…
I recently migrated the network to VLANs, moved several systems, and migrated my BIND DNS server to a newer machine and version. The BIND server forwards queries to…
I recently finished university and started my first job in IT administration. My coworkers often share personal blogs written by sysadmins, especially posts about problems they solved, technical…
I'm setting up WPA3-Enterprise Wi‑Fi with FreeRADIUS and LDAP for a company. The certificates and most of the configuration are working, but iPhones won't connect as expected. They…
I'm having a tough time with our SVN system which relies on LDAP for user authentication. Everything was functioning correctly until one of our developers suddenly couldn't log…
I'm having some trouble with the output from the Get-ADComputer command when exporting it to CSV. Most entries look fine, like this: mot.sz0144/WinServ Backup Server/Z001S001LBS01 [10.1.1.71](http://10.1.1.71) 10/7/2023 15:52,…
I'm a solo L2/L3 system administrator working for a company of over 1,000 employees and my time for building new systems is limited. I'm looking to deploy a…
Hey everyone! I'm trying to understand how to get my new LDAP user to work with Samba. I have an LDAP server at 192.168.1.10 and a Samba server…
I'm using DEX as a replacement for ADFS to connect some OIDC applications to my Active Directory, which is running on Samba. DEX requires its own account to…
Over the weekend, I've run into a major issue with logging into Windows using smartcards (Yubikeys). I keep seeing a message saying, "Revocation status of the smartcard certificate…
I'm stepping into a role where I've inherited a cloud setup with Linux VMs configured for SSSD across six domains. I've run into a frustrating problem with one…
I've been struggling with logging into Zabbix using the standard credentials ('Admin' with the password 'zabbix'). Despite double-checking my entries, I keep getting the 'Incorrect username or password…