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polscan

polscan (short for "Policy Scanner")

  • Makes your DevOps server configuration/security/automation policies explicit
  • Easily detects configuration drift (Puppet 2/3/4)
  • Provides details on package updates (Debian, PHP, Gem, CVEs via debsecan)
  • Provides basic security checks (SSH, NFS, sysctl)
  • Explains policies by
    • linking references
    • having reasonable descriptions
    • suggesting quick fixes
    • referencing to security standards
  • Agent less scanner with zero setup, no dependencies: Bash 4.2, SSH
  • Scales up to at least 2000 hosts * 50 scanners ~ 100k findings

Policies are implemented by small shell snippets and thus polscan is easily extensible by your own specific policies. To make it easy to use it comes with host discovery solutions for typical automation setups (Chef, Puppet, MCollective).

Features

Detecting automation issues...

Product Host Discovery Resource Coverage
kube-bench y kube-bench results per host
Puppet2/3/4 y Mounts, Users, SSH Keys, ulimit, sysctl, sudoers, 3rd party APT repos, Crons
Chef y %
Ansible y %
SaltStack y %
Mcollective y %

Detecting package issues...

Providers Detection Upgrade Check Error Check CVE Check
Helm2 yes no
apt % yes yes
dpkg % % yes yes (debsecan)
Gem yes yes
PECL yes yes
PIP yes yes
CPAN no
NPM no

Collects inventories for

  • kubernetes clusters (node count, sizing)
  • NTP / DNS Servers
  • OS Releases, Kernel Version
  • External IPs, IPv6 Adresses
  • 3rd party APT repos used
  • CPU-RAM size, CPU type, Server type
  • RAID Vendor ...

Graphs network topologies

  • TCP Connections
  • Remote FS Mounts
  • Nginx Upstreams / Apache ProxyPass
  • SSH Key Equivalencies
  • Network Routes

Provides vulnerabilities statistics per CVE using debsecan.

Screenshots

Overview Page

screenshot

Host Map per Finding Type

screenshot

Visualizing Network Connections

screenshot

Note: polscan is intentionally limited to Debian and for simplicity tries not to implement any distro-specific dependencies.

Running the Scanner

polscan keeps results on a daily basis so it makes sense to set up a daily cron.

Or just run it from the source directory

./polscan                          # To re-scan all hosts
./polscan -l 'server1 server2'     # To scan specific hosts

./polscan -t systemd-no-failed.sh               # Test scanner on all hosts
./polscan -t systemd-no-failed.sh -l server1    # Test scanner on single host
./polscan -t all -l server1                     # Test results on single host

./polscan -r 2017-10-09		# Recreate result JSON

Running the GUI

Start the GUI server with

 npm start