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Friday, October 25, 2024
Monitoring maximum NAT usage on Checkpoint Firewall
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For some cases on internet facing firewall, we found out that connections was failed due to NAT was exhausted. By default on R81.0 , checkp...
Sunday, July 14, 2024
Analyzing BIND Logs using CLI
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To enhance DNS Server, we need to analyze logs we collected. On my case, there are lots of non-existent DNS queries based on my monitoring ...
Handling Non Existent Domain (NXDOMAIN) Queries
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On a large organization, where there are lots of endpoint clients, there will be a huge number of DNS queries. Many of those queries were n...
Sunday, June 9, 2024
How to Extend Certificate Validity Period on Windows Certificate Authority
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1. Open regedit on your enterprise CA server HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\CertSvc\Configuration\<CAName> 2. I...
Friday, August 18, 2023
Checkpoint Identity Monitoring (Login Monitoring)
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Here is my Cacti template to monitor Checkpoint VPN login activity: 1. Success and Failed login through AD 2. Success and Failed login thro...
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