mirror of
https://github.com/SHOGGOTH-SECTOR/sica-fondt.git
synced 2026-08-02 08:57:48 +00:00
24f816b6a3
Place useful parts of the surrounding repos into sica-fondt by layer, per the
body model (Ada = membrane; brain/endocrine/capabilities/knowledge non-Ada):
- brain/ LLM reasoning + providers (dapr, hermes, MoMoA)
- capabilities/ REPRAG sidecars: hermes tools/skills, dapr tools, parallel
dispatch, A51 channels, and the OSINT cluster
- knowledge/ LORAG corpus: 754 cyber-skills, agency personas, secure-coding,
MITRE ATT&CK data
- reference/ defensive threat-reference (C3, shhbruh doc) + AdaYaml parser
License handling: AGPL sources (worldosint, advanced_evolution, mercury,
Reticulum) and GPL DeTTECT are SPEC-only clean-room/port descriptions — no
copyleft code copied. MIT/Apache/data parts copied as working trees.
Safety: shhbruh escape/persistence material and C3 covert-C2 kept as reference
only, not wired into the running organism. See CONSOLIDATION.md.
https://claude.ai/code/session_01UehUqEXXJJCsHoA4voCU5c
99 lines
2.0 KiB
Markdown
99 lines
2.0 KiB
Markdown
# Fail2ban Port Scan Detection API Reference
|
|
|
|
## fail2ban-client CLI
|
|
|
|
```bash
|
|
# Service status
|
|
fail2ban-client status
|
|
|
|
# Jail status
|
|
fail2ban-client status sshd
|
|
|
|
# Ban IP manually
|
|
fail2ban-client set sshd banip 192.168.1.100
|
|
|
|
# Unban IP
|
|
fail2ban-client set sshd unbanip 192.168.1.100
|
|
|
|
# Reload configuration
|
|
fail2ban-client reload
|
|
|
|
# Get ban time for jail
|
|
fail2ban-client get sshd bantime
|
|
|
|
# Set ban time
|
|
fail2ban-client set sshd bantime 7200
|
|
```
|
|
|
|
## Jail Configuration (/etc/fail2ban/jail.local)
|
|
|
|
```ini
|
|
[DEFAULT]
|
|
bantime = 3600
|
|
findtime = 600
|
|
maxretry = 5
|
|
banaction = iptables-multiport
|
|
|
|
[sshd]
|
|
enabled = true
|
|
port = ssh
|
|
filter = sshd
|
|
logpath = /var/log/auth.log
|
|
maxretry = 3
|
|
bantime = 3600
|
|
|
|
[portscan]
|
|
enabled = true
|
|
filter = portscan
|
|
logpath = /var/log/syslog
|
|
maxretry = 3
|
|
findtime = 300
|
|
bantime = 86400
|
|
action = iptables-allports[name=portscan]
|
|
```
|
|
|
|
## Custom Filter (/etc/fail2ban/filter.d/portscan.conf)
|
|
|
|
```ini
|
|
[Definition]
|
|
failregex = UFW BLOCK .* SRC=<HOST>
|
|
iptables .* SRC=<HOST> .* DPT=
|
|
ignoreregex =
|
|
```
|
|
|
|
## Ban Actions
|
|
|
|
| Action | Description |
|
|
|--------|-------------|
|
|
| `iptables-multiport` | Ban specific ports via iptables |
|
|
| `iptables-allports` | Ban all ports via iptables |
|
|
| `nftables-multiport` | Ban via nftables |
|
|
| `firewallcmd-rich-rules` | Ban via firewalld |
|
|
| `sendmail-whois` | Email notification with WHOIS |
|
|
| `abuseipdb` | Report to AbuseIPDB |
|
|
|
|
## Log Parsing Patterns
|
|
|
|
```bash
|
|
# Fail2ban log - count bans per IP
|
|
grep "Ban " /var/log/fail2ban.log | grep -oP '\d+\.\d+\.\d+\.\d+' | sort | uniq -c | sort -rn
|
|
|
|
# Auth.log - failed SSH logins
|
|
grep "Failed password" /var/log/auth.log | grep -oP 'from \K\d+\.\d+\.\d+\.\d+' | sort | uniq -c | sort -rn
|
|
|
|
# Syslog - blocked connections (UFW)
|
|
grep "UFW BLOCK" /var/log/syslog | grep -oP 'SRC=\K\d+\.\d+\.\d+\.\d+' | sort | uniq -c | sort -rn
|
|
```
|
|
|
|
## Escalating Ban Times (recidive jail)
|
|
|
|
```ini
|
|
[recidive]
|
|
enabled = true
|
|
filter = recidive
|
|
logpath = /var/log/fail2ban.log
|
|
bantime = 604800 # 1 week for repeat offenders
|
|
findtime = 86400
|
|
maxretry = 3
|
|
```
|