On VPN4ALL server network, all our servers successfully pass TruStealth analysis. When one of our IPs are scanned by a remote port scanning service, all the ports appear as Stealth. This means that no TCP packets and no unsolicited Internet packets are received from our system as a direct result of intruders' attempts to elicit some response from any of the ports on our servers — they are all fully stealthed. Some questionable personal security systems expose their users by attempting to "counter-probe the prober", thus revealing themselves. But our servers remained wisely silent. Our servers don't reply to unsolicited ping (ICMP Echo) requests, making it visible on the Internet.
If you did a port scan using a remote port scanner and it appears that some ports are open, please let us know and we will investigate the issue and fix it. However, there is no need to worry. The IP address that is seen by the remote port scanning service is the IP address of our network. This is not your machine. All the ports open, closed or stealthed on our machines are secure and part of our operating service. These are not ports on your machine. VPN4ALL will act as a firewall to keep malware from being able to reach your computer from the Internet.
Is the information incorrect or does it contradict what we say somewhere else at the site? These FAQs are a work in progress and unfortunately as a result our product updates and network changes we can't always get it right instantly in all the FAQs. Please let us know if you see something incorrect and we'll do everything we can to straighten out the misleading bits and pieces! None of these FAQs answer your question? Search our Knowledgebase or Ask Support.
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