Collaborate Disseminate
If we have a device that for some reason needs a public IP address and if at the same time the device should only be accessible from within a private network: Could the fact that the public IP of the device exists pose a security threat? I… Continue reading Could a public IP with blocked public inbound/outbound traffic be a risk?
Using Cloudflare allows you to hide the original IP information, which has its advantages and disadvantages. Is there a way to trace the real IP? Of course, even in DNS history, the original IP cannot be found.
Continue reading How to trace the real IP of a domain in Cloudflare
I was using an anti-spam email forwarding service like SimpleLogin and AnonDaddy and I was pretty impressed by the software.
My question would it be possible to get tracked through those services and getting your IP exposed or leaked?
… Continue reading How secure are email forwarding services like SimpleLogin and AnonDaddy? [closed]
Is it possible to write small application logic (for example 4 KB) on a TCP packet? like for example a simple logic that just sends back "Hello" to the IP address (user) who wrote a specific command like "Summon Hello" … Continue reading Writing small application logic directly on a TCP packet
I’m trying to set up a VPN-server from my home router so that external users (from other countries) could connect to it.
Basically, I want it to work this way:
External User (IP-address "A") -> connect to my home VPN-server (I… Continue reading Creating own VPN-server for external users
On MacOS and Windows 11, I’ve repeatedly seen direct IP accesses to *.deploy.static.akamaitechnologies.com domains (discovered via PTR DNS lookups). DNS filters like NextDNS presumably don’t see this traffic at all. So what is an easy and … Continue reading What is the easiest and most effective way to filter IP-only accesses?
I have a website. It receives visits from about 50000 different ip addresses a day, I know it does not provide 100% protection, but I am thinking of doing an ip block operation on harmful ip addresses written on the internet.
Has anyone tr… Continue reading Block specific spam ip address to my websites [duplicate]
I know how domain name system (DNS) works a bit. But don’t know if providers of public DNS like Google or Cloudflare can know my IP address.
I found a private IP address displayed on a video. What can you learn from a private IP address, if anything at all?
Continue reading What information can you get with only a private IP address?
Out of curiosity I came across some emails in my inbox that I really wanted to know where they where sent from. Not just Google’s or Yahoo’s service’s address, but the actual country the sender was in when the email went through. Is there … Continue reading How do I find out what country did an email originate from? [duplicate]