Collaborate Disseminate
I’m on Ubuntu 20.04 and upon performing an nmap scan I see that port 1723/tcp is "closed" and not "filtered." My router is not allowing any outgoing or incoming connections on this port, it also has PPTP pass-through se… Continue reading PPTP port closed not filtered on nmap scan of public gateway ip [closed]
We want to improve cyber security and I consider installing Suricata on our firewall (pfSense). Malware and Ransomware (as for anyone, I guess) concerns me much and one way to deny Ransomeware its need is to block IPs for c2 Server or othe… Continue reading IP Blocklists for Firewall (pfSense)
We need to find port on a server and read info from this port. If we will try to use nmap here – we will be banned. Because iptables config, that blocks scans. What nmap flags can we use for finding this port and not be banned?
first port … Continue reading Scan nmap through iptables restrictions [closed]
Taking a look at several cloud proxy/CASB vendors, they all seem to have the same recommendation of primarily using a tunnel to deliver internal traffic to them — either GRE, or IPSec.
IPSec obviously having the advantage of being encrypt… Continue reading Sending traffic to cloud proxy with GRE vs. IPSec
I can create new rules using
netsh advfirewall firewall add rule…
and Delete them using
netsh advfirewall firewall delete rule…
But I am not able to find a way to change existing rules.
Right now I implemented a logic where I check i… Continue reading Windows firewall: How to change existing rules using netsh [migrated]
I’m extremely exhausted,near a nervous breakdown and I need everyone’s HELP!!! SOS I’m ready to give up! Sound dramatic?? We’ll come stat at my house in Burlington Ontario Canada for 24 hours!!! Then tell me I’m being dramatic! I’ve been i… Continue reading I was attacked on April 14th and is still ongoing! Started out as more of a nuisance then became problematic and frustrating
I am setting up a webserver and learning what is needed to get fully setup and secured. One of the things that I am learning about is firewalls and what goes into setting up a secured firewall to protect my server. I am currently using a… Continue reading Should a Traditional Firewall be setup on a server that already has a Cloud Firewall setup on it?
I have a PC with a lot of firewall rules, and a lot of them are duplicates. I have like 5 of the exact same rule. Will this cause some sort of conflict?
Is there any kind of script that anyone has or some program that can get rid of these … Continue reading Is there any way to remove duplicate Windows firewall rules with a script or some app [migrated]
Many tools in Linux allow for checking things as a non-root user. For example, at any time, I can check whether a service is running:
$ systemctl status ntp
However, the iptables needs to be used as root whatever the option. I’m wondering… Continue reading Why is the -L (list) option of iptables not available to non-root users?
From a modular development standpoint, should a "firewall" do anything else than filtering ports?
This leads me to further ask, have there been attempts to reform the terminology from "firewall" to "port filterer&q… Continue reading From a modular development standpoint, should a "firewall" do anything else than filtering ports?