iRedmail Advanced Anti-spam for debian ( Pyzor , Razor2 for spamassassin 3.x )

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Assumptions iredmail + debian 7/8 Ports TCP 2703 Outgoing…

SSL: Convert PEM & Key to a single PKCS#12 file

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This will create a file called certificate.pkcs which will contain…

SSL: Convert DER certificate to PEM certificate

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[crayon-58da861fd0eaa449015692/]

PROTECT YOUR SECURITY, IDENTITY, PRIVACY, FREEDOM AND LOCATION

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Beat Shaping and Throttling UNLOCK THE FULL SPEED BY PREVENTING…

Advanced nmap : advanced network discovery for admins

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Install nmap Debain / Ubunut [crayon-58da861fd0fa0434873210/]…

Email Server Secuirty ( Postfix SMTP + SCAMP 3rd Party ClamAV definitions ) CentOS 6

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Notes: the following will be done to an existing CentOS/RHCE…

Atmail Email Server Secuirty (Exim SMTP + Procmail POP3/IMAP + SCAMP ) CentOS 6

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Notes: the following will be done to an existing CentOS/RHCE…

DenyHosts Synchronization Mode

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DenyHosts v2.0 and later introduces synchronization mode which…

Debian / Ubuntu : M/Monit ( mmonit ) Prevent Brute-forcing of logins with fail2ban and CSF ( csf-ip-deny )

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Assumptions: mmonit installed to /usr/local/mmonit mmonit version…

Debian / Ubuntu : M/Monit ( mmonit ) Prevent Brute-forcing of logins with fail2ban

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Assumptions: mmonit installed to /usr/local/mmonit mmonit version…