Ronald Bartelshubandspoke.amastelek.com·Sep 19, 2024💔Breaking the Misrepresentation | Netfilter as a Powerful On-Prem Firewall Solution💪There’s a common misconception in the IT and security industry that next-generation firewalls (NGFWs) from Silicon Valley vendors are the only viable option for securing on-premise environments. With big-budget marketing campaigns and flashy feature ...2 likesFirewalls
Ronald Bartelshubandspoke.amastelek.com·May 1, 2024🇿🇦 cntgate - script to block access to all countries except South Africa for a host 📜This is a script to all access to a Linux host except if it is from South Africa: #!/bin/bash # Extra cntgate: A country blocking script by r00igev@@r/mybroadband # Version 0.0.4 February 2024 # usage extra-cntgate.sh <configuration file> # eg: extra...7 likesBash Scripts
Ronald Bartelshubandspoke.amastelek.com·Apr 29, 2024🛡️🔒Threat intelligence script updated for use with nftables🗜️Many moons ago I create a threat intelligence script based on iptables. https://www.linkedin.com/pulse/threat-intelligence-script-ronald-bartels Here is the update variant for use with nftables. What is neat about this script is that it scrubs any ...3 likesLinux
Ronald Bartelshubandspoke.amastelek.com·Apr 28, 2024🌉DNSgate - Script to block access to DoH so that a Business is able to implement Content Filtering 🍴This is a script to prevent a Linux gateway from forwarding requests to DOH (DNS over HTTPS). #!/bin/bash # Extra DNSgate: A DNS script by r00igev@@r/mybroadband # Version 0.0.4 February 2024 # usage extra-dnsgate.sh <configuration file> # eg: extra-...8 likes·37 readsdns
Jay Miracolablog.miraco.la·Feb 9, 2024How conntrack Could Be Limiting Your k8s GatewayUnder high load in specific scenarios, a Kubernetes gateway may be limited by more than just its obvious CPU and Memory limits or requests if Karpenter is aggressively sizing the node (a different topic!). You may be hitting a wall in conntrack exhau...2 likes·1.1K readsconntrack
