What fail2ban Does (Brute-Force Defense)
Three commands to armed, then tuning:
- Install — sudo apt update && sudo apt install fail2ban
- Enable — sudo systemctl enable --now fail2ban
- Configure the SSH jail — copy jail.conf to jail.local, set enabled=true, maxretry=5, bantime=1h
- Reload — sudo systemctl restart fail2ban
- Watch — sudo fail2ban-client status sshd shows banned IPs
fail2ban reads auth logs and writes iptables/nftables bans automatically — brute-force bots stop reaching your SSH at all. Work with UFW, not against it: fail2ban inserts its rules alongside. Pair with SSH key login for the full stack; our VPS server images keep both ready, and the unblock guide rescues the self-ban mistake.
Step 1: Install on Ubuntu and Enable the Service
Install on Ubuntu and Enable the Service. Do this on one site or a staging copy first, then check the public URL in a private window so cache does not hide the result. Stop if the page errors, and email support@webji.services with the step name and the exact error before you repeat it on every account. WebJi® support mail is staffed 24/7 in Hindi and English; the phone line +91 141 4941811 is business hours only.
Step 2: Configure the SSH Jail in jail.local
How this plays out with Ubuntu: settings that look cosmetic usually decide page speed and uptime under real traffic. The defaults WebJi® ships are tuned for Indian network conditions, and support can review your setup on request.
Step 3: Tune maxretry, bantime and findtime
On SSH jail, the honest summary is that defaults matter more than brand names — a well-set budget plan outranks a mis-tuned premium one. WebJi® documents its defaults openly and adjusts them per ticket when workloads need it.
Checking and Unbanning IPs (fail2ban-client)
Two practical notes on sshd filter: it interacts directly with caching and database response, and misconfiguration is the most common cause of 'hosting is slow' tickets. WebJi® support checks it as part of standard migrations.
fail2ban + UFW + Key-Based SSH: The Full Stack
On maxretry, the honest summary is that defaults matter more than brand names — a well-set budget plan outranks a mis-tuned premium one. WebJi® documents its defaults openly and adjusts them per ticket when workloads need it.
Beyond SSH: Jails for Nginx and cPanel
Root (or sudo) on a VPS means you patch the OS, the firewall and the web server yourself unless the plan is managed. Shared hosting does not include root, on purpose. If you only need WordPress, a managed or shared plan is the smaller job.
Frequently Asked Questions
How do I install fail2ban on Ubuntu?
fail2ban reads auth logs and writes iptables/nftables bans automatically — brute-force bots stop reaching your SSH at all. Work with UFW, not against it: fail2ban inserts its rules alongside. Pair with SSH key login for the full stack; our VPS server images keep both ready, and the unblock guide rescues the self-ban mistake.
How does fail2ban protect SSH?
fail2ban reads auth logs and writes iptables/nftables bans automatically — brute-force bots stop reaching your SSH at all. Work with UFW, not against it: fail2ban inserts its rules alongside. Pair with SSH key login for the full stack; our VPS server images keep both ready, and the unblock guide rescues the self-ban mistake. The question here is: How does fail2ban protect SSH.
How do I check banned IPs in fail2ban?
fail2ban reads auth logs and writes iptables/nftables bans automatically — brute-force bots stop reaching your SSH at all. Work with UFW, not against it: fail2ban inserts its rules alongside. Pair with SSH key login for the full stack; our VPS server images keep both ready, and the unblock guide rescues the self-ban mistake. The question here is: How do I check banned IPs in fail2ban.
What are good fail2ban settings for SSH?
fail2ban reads auth logs and writes iptables/nftables bans automatically — brute-force bots stop reaching your SSH at all. Work with UFW, not against it: fail2ban inserts its rules alongside. Pair with SSH key login for the full stack; our VPS server images keep both ready, and the unblock guide rescues the self-ban mistake. The question here is: What are good fail2ban settings for SSH.
Can fail2ban ban my own IP by mistake?
For “Can fail2ban ban my own IP by mistake”: fail2ban reads auth logs and writes iptables/nftables bans automatically — brute-force bots stop reaching your SSH at all. Work with UFW, not against it: fail2ban inserts its rules alongside. Pair with SSH key login for the full stack; our VPS server images keep both ready, and the unblock guide rescues the self-ban mistake.
Does fail2ban work with UFW?
Yes. your city businesses are served online by the Jaipur team, same as clients everywhere else. About 99% of clients never visit. There is no walk-in office in your city. The walk-in office is only in Jaipur. Billing is INR with GST, and email support@webji.services is 24/7 in Hindi and English.
Is WebJi® an Indian company?
Yes. WebJi® is headquartered in Jaipur, Rajasthan and has operated since 2005. Billing, support and governance all run from India.
Do you provide GST invoices?
Every purchase and renewal gets a GST invoice with our GSTIN, and hosting prices are quoted exclusive of 18% GST. Claim input credit as applicable.