Blog

The s4m blog

Guides, how-tos and deep dives on VPN, proxies, dedicated IPs and staying private online.

Showing 193–198 of 198

Latest articles

Port forwarding through VPNs and proxies

Port forwarding lets the outside world reach a service running behind you — a game server, a seedbox, a self-hosted app. Most commercial VPNs quietly removed it. Here is why inbound is hard, and the honest ways to get a reachable port.

Read →

What is CGNAT and how to get around it

If your public IP starts with 100.64, or friends can't connect to your server, your ISP is probably putting you behind CGNAT — sharing one public IP among many customers. Here is what that means and the real ways around it.

Read →

Dedicated IP vs shared IP for a VPN: bans, CAPTCHAs, email

Most VPN users share an exit IP with hundreds of others; a dedicated IP is yours alone. Each is better for a different thing. Here is the honest trade-off across blocks, CAPTCHAs, email deliverability and anonymity.

Read →

How websites detect proxies and VPNs

Sites and anti-fraud services flag proxy and VPN traffic using a stack of signals, from the IP's ASN to the shape of your TLS handshake. Here is exactly what they check — and why no single trick defeats all of it.

Read →

IP reputation and fraud scores explained

Behind every 'suspicious activity' block is a reputation database scoring your IP. Here is how services like IPQS, MaxMind and Spamhaus build those scores, what drags them down, and how to keep an address trusted.

Read →

What is an ASN? Autonomous systems for proxy users

An ASN is the number that identifies who owns a chunk of the internet — and it is the first thing a website checks to decide whether your IP is a home connection or a data center. Here is what ASNs are and why they matter to proxy users.

Read →

People found this page by searching for

  • the s4m blog
  • how the s4m blog works
  • what is the s4m blog
  • the s4m blog step by step
  • free proxy list
  • free proxy list
  • VPN & proxy guides
  • vpn setup for scraping
  • how ip address works
  • socks5 proxy
  • free proxy list settings
  • proxy & VPN glossary
  • proxy setup without registration
  • ip address
  • cheap socks5 proxy
  • wireguard for android
  • fresh proxy anonymity

Real search phrases this page answers — the linked ones open the page that covers them in depth.