Collaborate Disseminate
Among the many "threats", I see on my SIEM, a non-standard port is a top one. It’s always been a false positive, but I don’t understand why this happens frequently?
Continue reading Why would a legitimate application run on a non-standard port?
Sometimes I get the Windows Firewall dialog popping up, which offers me to allow an app to communicate in
Local networks
Workplace networks
Public networks (not recommended)
Is this choice about the network that I am connected to? Like: … Continue reading Understanding Windows Firewall question ("Windows defender firewall has blocked some features")
I have a certificate issued by lets encrypt and one of the certificate in the path has this information:
[1]CRL Distribution Point
Distribution Point Name:
Full Name:
URL=http://x1.c.lencr.org/
On the client … Continue reading Firewall is blocking OCSP (Online Certificate Status Protocol) check
First, not sure if this is the appropriate site or if it would be better suited for a different one, but there isn’t a networking or Windows one, so this appears to be the best place. And I’m posting here rather than the OpenVPN forums bec… Continue reading Windows / OpenVPN "kill switch" via firewall
I am planning to get a fiber broadband connection & I will be using my own router/firewall.
I have used pfSense for a few months in the past & I remember I could check and install updates using the web interface.
I have never used … Continue reading Curious about DD-WRT’s update process …. Confused between DD-WRT & pfSense
I am trying to "enforce" IPSec (StrongSwan) traffic on openSUSE.
On OpenBSD, with the IKE daemon iked and the packet filter pf, I employ a ruleset like the following, to ensure only encapsulated traffic passes the interface, prac… Continue reading firewalld: Block non-ESP packets on interface in GNU/Linux similar to OpenBSD
I am trying to "enforce" IPSec (StrongSwan) traffic on openSUSE.
On OpenBSD, with the IKE daemon iked and the packet filter pf, I employ a ruleset like the following, to ensure only encapsulated traffic passes the interface, prac… Continue reading firewalld: Block non-ESP packets on interface in GNU/Linux similar to OpenBSD
Professional network security and encryption setup upgrade confusion for small business/home office.
Why don’t some firewalls such as pfSense or Cisco go before the actual ISP modem, or why do some require all the extra “switches”? Some ev… Continue reading ISP Privacy, Modem + Router Firewall w/ Encryption [closed]
Let’s assume we have an example machine connected to the internet. This machine is typically a client one, and it has no services like ssh running on. Does this kind of machines need any firewall to restrict incoming connections? On the on… Continue reading Do machines without any listening services need a firewall to block incoming connections?
I have to set up internet controls for our schools study hall/testing center. The idea is that computers on that network should only be able to access the school’s webportal and learning platform that the school uses during class hours, b… Continue reading Is an IP based whitelist practical for controlling internet use?