SignalForge
Op
Operator priorities
3 ranked actions
01

Audit and enforce ingress controls for the web service: confirm UFW and any upstream firewall/security group rules restrict ports 80/443 to the intended client networks, then remove any unnecessary exposure.

02

Review nginx and TLS hardening: ensure HTTP redirects to HTTPS where appropriate, validate certificate health, and apply current nginx/package updates and secure configuration headers.

03

Investigate the storage and log warnings: check the EXT4 filesystem error on the affected volume, verify backups, and inspect the failed example.service start for any impact on the production workload.

Target host
web-server-prod-01
Hostname snapshot: web-server-prod-01 · Ubuntu 22.04.3 LTS
Artifact family
Linux audit log
linux-audit-log
Source
api
Mar 28, 10:13 PM
Artifact source
Not recorded
Collector
Direct upload
Target ID
Not recorded
Recorded at
Mar 28, 10:13 PM
Findings
2
2
medium
Run status
complete
Analysis completed successfully for this artifact snapshot.
Primary operator signal

Host Pressure Snapshot

Disk, memory, package, and recent-error signals extracted from the host audit so operators can assess system pressure before reading detailed findings.

Watch closely
Peak disk use
78%
/dev/sdb1 mounted on /mnt/data
Memory use
28.0%
4.2 GiB of 15.0 GiB
Pending upgrades
0
No pending package upgrades captured
Recent errors
2
Recent syslog, journal, or auth errors
Operator summary

Host Storage Watch

The busiest filesystems captured in the audit, shown as compact usage bars rather than buried line items.

Stable context
/dev/sdb1 (/mnt/data)
/dev/sdb1 1.0T 780G 195G 78% /mnt/data
78%
/dev/sda1 (/)
/dev/sda1 500G 225G 250G 45% /
45%
Operator summary

Run Health Summary

A compact operator view of severity and signal distribution before you drop into detailed findings.

Stable context
Critical + high
0
No top-severity findings
Instability & pressure
0
Operational signal count
Identity & access
0
RBAC, tokens, service accounts, secrets
Exposure
2
Public reachability and listener posture
Findings table controls

Filter the findings table by signal or severity while keeping the current visible count in view.

2 of 2 visible·All signal buckets·All severities
Filter by signal
Filter by severity

Detailed review

Findings

2 findings
Analysis narrative
Full narrative summary

Expanded explanation for operators who want the model summary after reviewing the findings table.

▼
  • This host is generally reachable and operational, with a web stack (nginx) and SSH enabled on an Ubuntu server.
  • The primary exposure identified is that HTTP and HTTPS are listening on all interfaces, which is normal for a public web service but should be protected by tight firewall and application hardening.
  • SSH is configured more securely than default, with root login disabled and password authentication off.
  • There are signs of filesystem risk in recent logs, including an EXT4 warning and a failed service start, while disk usage on /mnt/data is elevated but not yet critical.
  • Overall posture is acceptable for a production web server, but network exposure and storage/log integrity deserve attention.

Run Metadata

Identity
Run ID
a2c0844d
Artifact family
Linux audit log
Host-level audit output from first-audit.sh or an equivalent Linux evidence collector.
Source type
API submit
api
Collection
Recorded at
Mar 28, 10:13 PM
Analysis
Model
gpt-5.4-mini
Analysis time
4.2s
Tokens used
2,376

Environment Context

Target Host
web-server-prod-01Ubuntu 22.04.3 LTS
Kernel
5.15.0-89-generic
Uptime
up 42 days, 3 hours, 15 minutes
Root