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Pki Certificate & Crl Monitor Auto Expiration Alert System

by Vigh SandorUpdated Aug 2026
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WBWrite Binary - TempFile : crlfile.derWrite Binary - …ECB64 Encode : crlfile.derB64 Encode : cr…ECOpenSSL Parse CRL : crlfile.derOpenSSL Parse C…CoParse Data OpenSSL outputParse Data Open…HRGet CRL URLConextUpdate - TimeFilternextUpdate - Ti…IfGood Or EvilIfIs this CRL ?MaExecute With Manual StartExecute With Ma…ScExecute With Scheduled StartExecute With Sc…SOGet Url From ListGet Url From Li…SILoop Over Items -- Process CheckingLoop Over Items…IfWebsite Available?Website Availab…WaWait B4 RetryIfWebsite Available Now?Website Availab…ECSend Website Down - Telegram & SMSSend Website Do…SeRespose Extend With Requested URLRespose Extend …IfIs this CA?HRGet Non-CRL/CA URLGet Non-CRL/CA …HRRetry to Non-CRL/CA URLRetry to Non-CR…ConextUpdate - TimeFilter1nextUpdate - Ti…HRGet CA URLWBWrite Binary - TempFile : cacertfile.crtWrite Binary - …ECB64 Encode : cacertfile.crtB64 Encode : ca…ECOpenSSL Parse CA Cert : cacertfile.crtOpenSSL Parse C…CoParse Data OpenSSL CA outputParse Data Open…IfAlive?SeSet-Info for CA AlertSet-Info for CA…SeSet-Info for CRL AlertSet-Info for CR…ECCRL Alert --- Telegam & SMSCRL Alert --- T…ECCollect Checking URL listCollect Checkin…SeGet Checking URL list to URL objectsGet Checking UR…IfCRL Available?IfCA Available?ECCA Alert --- Telegam & SMSCA Alert --- Te…
1/5
STEPS · 45
Run manually by an operator

On a schedule, checks PKI certificate and CRL expiry via shell commands and sends HTTP alerts as expiration nears.

Tags

manualadvancedSecOpsdiscoveredpending-review
CategoryMonitoring & Incident Response
Triggermanual
Complexityadvanced
Nodes35
AddedJun 27, 2026