Try our free Certificate Revocation List Check Tool
CRLcheck.exe a free tool to verify digital signatures of executable files. It collects files from known paths on your client,
checks their signature, and checks CRL and OCSP download.

Category: SECURITY

Google chrome 124 and Edge Chromium Probleme Webserver SSL-Brechen [DEU]

  Google Chrome.exe 124 und Edge Chromium könnten Probleme haben, sich mit einem Webserver hinter älteren Firewalls oder Proxys zu verbinden, ODER bestimmte Sicherheitsgeräte filtern HTTPS/TLS-Websites nicht mehr.   Das Problem hat etwa am 22.04.2024 begonnen und nimmt laufend zu. Dies könnte Sie betreffen, wenn: Sie oder jemand anderes einen Webserver oder einen Dienst mit […]

Google chrome.exe 124 and Edge Chromium cannot reach Webserver behind IPS/proxy [cipher X25519Kyber768]

Google Chrome.exe 124 and Edge Chromium may have problems connecting Webserver behind older firewalls or proxy OR certain security device do not filter HTTPS/TLS websites anymore.     The problem has started around 22.04.2024 and is growing. This could effect you if: You run or someone else runs a Webserver or any service with https […]

Certutil.exe –url –urlcache how to use and freeware GUI crl check to automate CRL verify

  How to use Microsoft certutil.exe –url or –urlcache to find CRL and OCSP on Windows manually, or utilize our freeware tool crlcheck.exe, which performs the same function fully automatically for all EXE files on your system. crlcheck.exe https://www.butsch.ch/post/crlcheck-exe-certificate-revocation-list-check-tool-to-verify-all-crl-and-ocsp-on-windows-client/   What is a CRL Certificate Revocation List file?   Each certificate authority (CA) periodically issues […]

McAfee ATD – Trellix TIS MASU.exe Sandbox Uploader. A freeware tool to submit files to ATD/TIS automatic

M.A.S.U (M)CAFEE (A)TD (S)ANDBOX (U)PLOADER V4.1, Mike Butsch, Senior System Engineer, www.butsch.ch Remark 2024: Everything will work for TIS / Trellix Intelligent Sandbox we have been using the same tool with every release of TIS. Hopefully there is a ready solution for FireEye without using Python The tool is freeware, feel free to use it. […]

CRL check, Zertifikatsperrlisten Software, Certificate Revocation List Check Tool zum suchen aller geblockten CRL in Firmenumgebungen, crlcheck.exe

Mit diesem Tool findet man schnell und einfach alle verwendeten CRL eines clients und kann prüfen ob der client diese erreicht. In den vergangenen Jahren habe ich persönlich miterlebt, wie die Zertifikatssperrung auf Windows-Systemen oft unterschätzt wird, selbst in großen Unternehmen. Dieses Problem beeinträchtigt sowohl Client- als auch Server-Systeme erheblich, wenn es nicht korrekt verwaltet […]

KEMP service option Detect Malicious Request Intrusion handling blocks Winword Blog posts

  The KEMP option “Detect Malicious Requests” blocks Winword from connecting to WordPress or BLOGengine.net blog provider configurations, changing or uploading existing blog entries with pictures. We lost quite some time on this one because we were initially searching forever on our firewall and other WAF appliances. Finally, we found out that this is due […]

CRLcheck.exe Certificate Revocation List Check Tool to verify all CRL and OCSP on Windows client

CRLcheck.exe Certificate Revocation List Check Tool to automatic verify CRL and OCSP internet reachability of all your EXE files that your client runs. Download 11/2024 NEW Release 2.0.1.0 with OSCP check, Proxy Options, AIA Chain check etc. Version 2.0.1.0, https://www.butsch.ch/wp-content/uploads/tools/crlcheck/latest/crlcheck.7z       Over the past 20 years, I have personally witnessed how Certificate Revocation […]

Trellix EPO 5.10 base install or upgrade fail Rollback with SQL 2022 Express

Trellix EPO 5.10 base install or upgrade fail Rollback with SQL 2022 Express Does also happen with: EPO5100_ServicePack1_4098_LR1.zip (lATEST DOWNLOAD 01.05.2024) Just had a case where we searched for longer, but it was NOT related to a dual install of WSUS+EPO. Because we sometimes have a dual install of EPO and WSUS roles on the […]

Mcafee/Trellix EPO 5.10 SP1 UPD2 (Update 2) Installation CVE-2023-5444 (RISK HIGH) and CVE-2023-5445

Exploit/Lücken CVE-2023-5444 (RISK HIGH) und CVE-2023-5445. Update Mcafee/Trellix EPO Management Server   There is emergency patch for EPO and the Trellix Forum seems to be down or rebuilt? Here is some info to help you this way. We have just updated around 10 EPO on-premises installations from EPO 5.10 SP1 to UPD2 or from 5.10 […]

Mastering Firewalls for Intunes and Autopilot Success, FQDN, IP, CRL to get Intunes running

Mastering Firewalls for Intunes and Autopilot Success In the realm of IT, especially with the advent of cloud-based systems like M365 and Intune, managing firewalls has evolved into a complex challenge. Gone are the days of a handful of external ports; now, it’s like navigating a digital maze of ports and IP ranges. Enter the […]

Missing entry in Fortigate Application Filter ROOT.CERTIFICATE.URL and OCSP source of W10 Setup failing

FortiGate Application Filter Certificate wrong/missing Entry sample for an important laptop driver (W10 Deployment fails because of signed Driver Revocation Lookup) Missing entry in Fortigate Application Filter “ROOT.CERTIFICATE.URL” and “OCSP” source of failing Windows 10 Deployment with commercial Deployment Products (This includes HP client hardware, Microsoft SCCM, Landesk or Ivanti Frontrange). During the Unattend phase […]