Collaborate Disseminate
I have to build a web application firewall from scratch but most of resources available are either WAF marketing or too complex to understand . My goal is to understand deeply on web application firewall through this project as how WAF can… Continue reading How to develop a WAF ( Web application firewall ) from scratch ? and what are the tech stacks required? [closed]
On my machine, I have had the Bitdefender firewall and the default Windows firewall running for some time. In the past, I have set rules and exceptions such as to block ads on certain applications. Additionally, I have recently acquired a… Continue reading Multiple firewalls running on the same machine
I have a public-facing SFTP instance. When applying the whitelist/allow-list of IP addresses that are allowed to connect to this instance, should I enforce the list on the network/firewall level, the application level, or both?
Continue reading Whitelist at network level, application level, or both?
Is it possible that Anti-Cybercrime Police catch and track DDOS black service buyer?
My IP is being attacked for years (DDOS) from IPs and IP ranges from hundreds of different IPs.
The story is:
I have a neighbor, he is an IT professional…. Continue reading Is it possible that Anti-Cybercrime Police catch and track DDOS black service buyer? [closed]
I have setup installed mod security module for apache in ubuntu 22.04, using.
sudo apt-get install libapache2-mod-security2
sudo a2enmod security2
sudo systemctl restart apache2
This installs security module version 2.9.5 with core rule s… Continue reading How to enable ModSecurity to actually block/deny malicious requests? [migrated]
On my fresh Hetzner Cloud server, the ufw seems to be ineffective. The status output is the following:
Status: active
To Action From
— —— —-
OpenSSH ALLOW… Continue reading UFW does not block any ports (Ubuntu 22.04) [migrated]
I was looking through my Mac’s security settings when I came a across the option to turn on Mac’s built-in firewall, which Apple claims will do the following:
Block all incoming connections, regardless of app.
Automatically allow built-in… Continue reading How reliable is the onboard firewall on Mac? [closed]
I apologise in advance for this question being very sparse in details and sounding rather hypothetical, reasons for this are hopefully explained below. I am not a security expert, but I am in a managerial position and find myself now argui… Continue reading Our server in a our client’s network – What possible attacks are there?
We have a domain, erbaharlab.com, which we have bought for our research group.
www.erbaharlab.com contains our research group website, nanospacejm2.erbaharlab.com contains a conference website and there might be other conference subdomains… Continue reading SSL certificates and firewall blacklists
I noticed some strange behaviour on my firewall WAN interface last night, and then later on my LAN interface as well.
There seems to be traffic to a known tor node 192.99.168.180 on port 123. I block all tor by default on my network, and I… Continue reading Traffic to Tor node NTP port [closed]