net-probe
Skill0 starsChanged 3 months agoMITView on GitHub
Network diagnostics with only the stdlib socket/ssl modules — port checks (connect-based, not SYN-scan), DNS resolution, TLS certificate expiry with day budget, and HTTP latency sampling. The "is it up, is it reachable, is the cert about to die" triage without nmap, dig, or openssl.
1 other project uses a version of this.
Adopted by
Most recently taken up by
- Leostruka/devin-bundletheir own version, first seen Nov 1, 2026
Other versions1 project uses a version of this.
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- Leostruka/devin-bundle★ 0same name
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The file
Files
Net Probe
Is it up, is it reachable, is the cert about to die — no nmap, no dig, no openssl.
Commands
python3 scripts/net_probe.py --port-check db.internal:5432 --port-check api:443
python3 scripts/net_probe.py --dns example.com
python3 scripts/net_probe.py --tls example.com:443 --tls-warn-days 30
python3 scripts/net_probe.py --latency https://api.example.com --count 5Checks
| Check | Gate |
--port-check host:port | exit 1 when any port closed |
--dns name | exit 1 on resolution failure |
--tls host:port | exit 1 when cert expires within --tls-warn-days (default 14) |
--latency url | min/avg latency samples |
Pairs with
api-tester (the HTTP-level check above the socket level),
sec-headers (header audit on the same URL),
sys-health (the local-machine side of the same triage).
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