VirtualTam's bookmarks

1. Mapping the whole internet with Hilbert curves 2022-01-24

   tags: graphics/2d, internet, network, network/icmp

   [ permalink ]

   • https://github.com/measurement-factory/ipv4-heatmap
2. Prometheus Blackbox prober exporter 2018-10-04

   tags: network, network/http, network/icmp, network/ping, observability, observability/time-series/prometheus

   [ permalink ]

   • https://michael.stapelberg.de/posts/2016-01-01-prometheus-blackbox-exporter/
   • https://github.com/prometheus/blackbox_exporter/blob/master/example.yml
   • https://github.com/coreos/prometheus-operator/issues/256
3. How To Choose an Effective Firewall Policy to Secure your Servers | DigitalOcean 2018-05-15

   tags: linux, network, network/firewall, policy, security, server

   [ permalink ]

   • http://www.chiark.greenend.org.uk/%7Epeterb/network/drop-vs-reject
   • https://security.stackexchange.com/questions/22686/is-it-good-practice-to-manually-lock-down-ports-on-each-host
   • https://security.stackexchange.com/questions/22711/is-it-a-bad-idea-for-a-firewall-to-block-icmp/22713
   • https://serverfault.com/questions/84963/why-not-block-icmp/84981