Collaborate Disseminate
I have a need to whitelist two sets of 0/23 IPs (which could amount to approx 1200 IPs) along with 10,000-20,000 ports (UDP). We have historically never done it and feel very uncomfortable doing so.
Is there anything we can do to feel secu… Continue reading Monitoring and ensuring good behaviour from allowed connections [closed]
I’m trying to enable connections outside of my internet to a server, but I’ve used
YouGetSignal.com to check if the port is open. It seems like I can connect locally but not outside my network.
My question is what is "remote ip"… Continue reading Router Firewall Remote IP address [migrated]
I am trying to get an Apache server running over HTTPS on a local network with an IP address 192.168..
And our requirement is to make this local server secure. (no outside network / internet connection available)
I have gone through many t… Continue reading TLS certificate with private IP address [duplicate]
I received a threatening email from a google account and I would like to know who actually sent it. The google IP address isn’t allowing me to see who really sent the email. I have an idea but is there a way to find out?
I have here a situation where if I share this file with someone on the internet, the file may contain: 1. data pointing to the directories where it is stored on my computer, along with 2. the name of the computer (the “Device Name” under “… Continue reading How risky is it to let someone know the name of your Windows PC?
I have here a situation where if I share this file with someone on the internet, the file may contain: 1. data pointing to the directories where it is stored on my computer, along with 2. the name of the computer (the “Device Name” under “… Continue reading How risky is it to let someone know the name of your Windows PC?
Lets say the target company says only *.target.com is in scope.
If i’m doing hosntnames recon, then its easy to stay in scope as only subdomains of target.com is in scope e.g dev.target.com, admin.target.com.
But i have heard pentesters ta… Continue reading How is IP reconaissance different from host names reconaissance?
I am using a mobile ISP to access the internet. I noticed something really weird: most sites (e.g. www.whatismyip.com, https://www.iplocation.net/http-browser-header) report my IP as let’s say IP A: XX.XX.XX.57.
However, a site that I’m ho… Continue reading Is different X-Forwarded-For values per site an indicator for something malicious?
I was setting up firewalld on an enterprise server and came across their concept of firewall zones. I figured I can easily use them and their source property to restrict access to SSH to only the internal network and my home public IP addr… Continue reading Are country IP address blocks officially standardised and can they be reliably used for access control?
I pay monthly for a VPN. However, I browse online while connected to my university WiFi which requires authentication to use. The WiFi is open (no password directly) but when someone connects to it a page pops up and we have to input our u… Continue reading Is a VPN effective when connected to WiFi network that requires authentication?