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Configure Fail2ban to detect port scans, repeated SSH login attempts, and suspicious web requests from server logs. Create custom detection patterns, automatically block source IP addresses, and set up notifications and longer bans for repeat offenders.
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Configures Fail2ban with custom filters and actions to detect port scanning activity, SSH brute force attempts, and network reconnaissance, automatically banning offending IP addresses and alerting security teams to suspicious network probing.
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Configures Fail2ban with custom filters and actions to detect port scanning activity, SSH brute force attempts, and network reconnaissance, automatically banning offending IP addresses and alerting security teams to suspicious network probing.
中文简介正在准备中。当前显示原文说明。
Configures Fail2ban with custom filters and actions to detect port scanning activity, SSH brute force attempts, and network reconnaissance, automatically banning offending IP addresses and alerting security teams to suspicious network probing.
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Audit and harden VPS security — fail2ban, SSH hardening, firewall setup
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VPS 安全加固自动化 Skill。通过 SSH 登录 VPS 并执行完整的安全策略配置。 触发场景： - "加固VPS安全"、"VPS安全配置"、"新VPS初始化" - "配置SSH安全"、"修改SSH端口"、"禁用root密码登录" - "VPS安全加固"、"服务器安全设置"、"hardening" 功能（7招安全加固）： 1. 创建 sudo 用户，禁用 root 密码登录 2. 修改 SSH 端口（支持 Ubuntu 不同版本） 3. Fail2ban 自动安装配置 4. SSH 密钥登录支持 5. SSH 登录通知（可选） 6. UFW 防火墙配置 7. Docker 安全提醒 Author: github.com/wlzh Version: 1.0.0
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Detects attacks from server logs and blocks malicious IPs with CrowdSec, an open-source, crowd-sourced alternative to fail2ban. Use when a user asks to block brute force attempts, protect SSH or a web server, set up a community blocklist firewall, add a WAF, or install CrowdSec with Docker.
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Setup Ubuntu server Nginx fail2ban backup monitoring disaster recovery — sysadmin ครบมือ
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Create a free remote development host on Oracle Cloud (Always Free) end to end — install and authenticate the OCI CLI, provision VCN/subnet/NSG/instance with capacity retries, then apply a hardened Ubuntu 22.04 Ansible stack (Tailscale-only SSH, ufw, fail2ban, mosh, persistent tmux, Caddy tailnet web previews, on-host verification suite) and tear it down again. Use when the user says "free remote dev environment", "Oracle Cloud free tier dev box", "OCI Always Free VPS", "give me a cloud dev machine for free", "provision a dev host on Oracle", or asks to move a Tailscale-only dev host setup to Oracle Cloud. Covers OCI CLI bootstrap, the Tailscale cutover, verification, costs, and teardown.
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Segurança de infraestrutura e pipeline — Trivy, Falco, CrowdSec, Fail2Ban, WAF, TLS, IAM, secrets, OWASP, Security Hub. Use quando o usuário disser "segurança", "vulnerabilidade", "CVE", "hardening", "WAF", "secrets", "exposto", "auditoria de segurança", "pentest".
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Administração de Ubuntu, Debian e AlmaLinux — systemd, cron, SSH, Fail2Ban, supervisor, disco, memória, rede e processos. Use quando o usuário disser "servidor", "linux", "systemd", "serviço não sobe", "disco cheio", "load alto", "SSH", "cron não roda", "processo travado".
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