domain name system – Firewall rules to access Google-Cloud-Storage from the outside world

I deploy an application that relies on GCS on a customer's site.
The client firewall allows domains to be whitelisted for outgoing connections. So I added the white list to known GCS domains (,,

However, because GCS uses CNAME redirects, a request to is sometimes redirected to another address, for example "".

How can I get a complete list of all whitelisted domains?
And if additional domains are added in the future? Is there a way to add them to the whitelist?

thank you,

antivirus and firewall | Talk Web Hosting

antivirus and firewall | Talk Web Hosting

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  1. antivirus and firewall

    Can any one comment on what is the best antivirus and firewall for Windows Server and one hundred OS?

  2. I can suggest that Imunify360 has an integrated antivirus and a firewall, it is also integrated with cPanel (it's not free).
    If you want a stand-alone antivirus, I suggest Maldet (Free) and ClamAV (Free) are ideal for Linux.

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firewall – Iptables limit flag flag

I've tried adding an iptable rule

sudo iptables -A COUNTER -m limit -n - limit 1024 / sec - burst limit 1024 -j ACCEPT

But when I try to see the rules using iptables-save -c or iptables -nvxL, the output is

-A COUNTER -m limit - limit 1111 / s - limit-burst 1024 -j ACCEPT

I can not understand how the 1024 / s is translated to 1111 / sec

I've tried with other limits as well and few limits have been changed. Someone can explain what's going on

Similarly if I try with 900 / sec, it is translated to 909 / sec

New website firewall [on hold]

new webmaster here for a startup in the area of ​​resource planning.

I would like to have your opinion on the compatibility / utility of using a Cloudflare layer on an aws architecture.

Any help is really appreciated

firewall – What is the best way to permanently block an IP address?

There are some methods to block an IP address, the one I use is road. But all IP addresses are lost when I restart the operating system. I found ways to permanently block, which did not work and the operating system did not even boot up. I therefore need to create a .sh with the list of IP addresses and run this script at startup of the operating system.

I am not sure of this method, because the list of IP addresses is (would be) very long, I block 75 addresses per day, they are all robots.

This list will increase soon. What would be the best way to permanently block an IP address on ubuntu at edge? Note: the version of my kernel is 2.9, so I can not use tools like fail2ban, csf.

What I am doing right now is:

I'm using ModSecurity and when a specification rule fires, I run this code:

ip route add a hole xxx.xx.xx.xx
echo xxx.xx.xx.xx >> list_of_ip.txt

I also use the cloudflare API to block IP addresses because when they access my VPS using the host name, I need to block it on cloudflare, otherwise it will not be blocked.

Should I open a port on my firewall

am new here. I work in Nigeria as a network and IT support technician, recently users have abused the Internet and dragged it. I purchased the prtg software and installed the trial version to help me spot those who abuse the Internet. after installing the program and adding a sensor for sflow since I have HP switches. I allowed the server prtg to listen on port 6343 while the hp switch was sending its captured datagram on port 6343. but when I run the server prtg, I have no data since startup. My question is the following. Since my prtg server is on the same network as the devices I want to monitor, should I open the corresponding port in my organization's firewall because I've already created an exception on the screen? fire from my server?
it's my network topology.

firewall – Prevent access to a file over the Internet

The file will not be accessible on the Internet. There is nothing that offers the file to remote people.

What can happen, however, is that someone can hack and access your computer and, from that level of access, access any file on your computer.

The most important protection for this is to do exactly what you did: encrypt and password to protect the file.

As an added measure, you can store the file on a removable drive and disconnect it when you do not need to access the file yourself. It's not as safe as it looks, because once you've connected the player, anyone who has hacked your computer can also access the file. But that's an extra measure.

dart – flutter – firewall messaging does not show up on mobile phone

I'm trying to set up push notification to my mobile apps using Flutter Firebase messaging.

I have to do below things:

  1. firebase configuration
  2. download google-service.json in the Android / app folder
  3. initialize firebase messaging at the home screen

However, when I try to send a message from the Firebase console, my mobile phone do not show the notification.

by debugging I can see my mobile phone receive the notif push:

I / flutter (17004): on message {notification: {body: message 18, title: test 18}, data: {}}
I / flutter (17004): The message {notification: {body: message 19, title: test 19}, data: {}}
I / flutter (17004): The message {notification: {body: message 20, title: test 20}, data: {}}

but it shows nothing on my cell phone.

my floating code on the home screen:

the HomeScreen class extends StatefulWidget {
_HomeScreenState createState () => _HomeScreenState ();

_HomeScreenState class extends the state {

FirebaseMessaging _firebaseMessaging = new FirebaseMessaging ();

void initState () {
// TODO: implement initState
super.initState ();

_firebaseMessaging.configure (
onMessage: (Map message) {
print (& # 39; on message $ message & # 39;);
// _ showItemDialog (message);
onResume: (Map message) {
print (& # 39; s resume $ message & # 39;);
// _ showItemDialog (message);
onLaunch: (Map message) {
print (& # 39; on launch $ message & # 39;);
// _ showItemDialog (message);
_firebaseMessaging.requestNotificationPermissions (
const IosNotificationSettings (sound: true, badge: true, alert: true));
_firebaseMessaging.getToken (). then ((token) {
print (& # 39; >>> token = & # 39; + token);



an idea how to solve?

firewall – What is the difference between Anti-APT (Advanced Persistent Threat) and ATP (Advanced Threat Protection)?

APT standards for advanced persistent threats, that is, describe actual threats. Depending on who you are talking to and the context, there are sophisticated and targeted attacks from advanced players with a lot of money, such as states or criminal organizations – or just whatever is more complex than firewalls and basic antivirus could detect (as in "it was n it's our fault since it was an APT attack" when you did not care enough to secure the network).

ATP is a marketing term of the "next generation firewall" type, which should highlight the ability of an analytics system to detect (prevent) and prevent threats from "traditional" systems. Expectations are that it will not only detect "average" but "more" attacks. What exactly is this "plus" and the "best" is not clearly defined, but it often involves many buzzwords, such as the artificial use of information to detect threats or information about threats in the cloud.

The similarity in the abbreviation between APT and ATP may be accidental, but associations created by the consumer are probably welcome by the seller's marketing department. But only a few vendors explicitly state that ATP is actually capable of detecting APT.

Ubuntu – network card and firewall configuration?

Hello everyone and thanks for any help that comes from that, what I'm trying to do is configure a firwall linix a tower and that's the only thing for which the tower will be used and I have two network cards to install in the system. and I'm trying to install where all traffic from the Internet goes through one card and then through the firewall and then through the other network card to the wifi router that I configured?

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