Preventing email deliverability failures and spoofing

Long story short, as almost all vulnerabilities comes from human side, we had a small missconfig in our SPF/DMARC record which was found randomly by a security freelancer who inform…

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One line appsec firewall for nginx w. fail2ban

After we saw that that a lot of traffic | ~25% | is coming from bots ( some kind of automated script or program ) who are trying to login…

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Setting up a VPN server for small infrastructures

Supposed that we have a small application which have dev, test and prod env. that should only be accessible for team members and we wanna have access from home or…

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