Firewall & Security Shield
Dual-tier protection: Server-level packet filtering (UFW), intrusion prevention (Fail2ban), and WordPress 7G/8G Web Application Firewall.
UFW Packet & Port Access Control
Controls Linux kernel network packet routing. Default incoming is DENY, default outgoing is ALLOW.
Silently drops all direct IP scans and bypass attempts at the Linux kernel packet filter (0 CPU/RAM overhead). Ports 80 and 443 strictly accept connections only from official Cloudflare proxy IP ranges and private management subnets (LAN & loopback). SSH (Port 22) is always preserved.
Attack bots and automated scanners continually brute-force default Port 22 across the internet. Switch to a non-standard high port, restrict to trusted IP/LAN, or activate kernel-level rate limiting to eliminate 99%+ of intrusion attempts.
Updates sshd_config, verifies with sshd -t, opens new port in UFW, and cleanly removes the old port.
Only allow connections from your home/office static IP or VPN CIDR. Anyone else is dropped.
| Time | User | Status | Auth Method | Source IP & Port | Key Fingerprint / Note |
|---|---|---|---|---|---|
| Loading recent SSH sessions... | |||||