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๐Ÿฆ‘ Undercode World!
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@Undercode_News

3๏ธโƒฃ CVE @Daily_CVE


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๐Ÿฆ‘Port Forwarding with a VPN How it work ?
> Understanding before attack :

While they are notably different from each other, port forwarding and VPNs do have some overlap. In fact, they can even be combined.

1) Firstly, you may be able to use port forwarding, among other strategies, to create and manage your very own VPN.

2) However, this would take great technical skill, time, and effort to accomplish successfully, so we donโ€™t necessarily encourage you to try, especially when there are great VPN providers whoโ€™ve already done the work for you.

3) In addition, if you have a VPN installed directly onto your router, you can use port forwarding to access your VPN while youโ€™re not within your local network.

4) High-performing ExpressVPN provides a guide on how to do so.

5) Finally, and most conveniently, many VPNs include port forwarding as one of their features. Just as with a regular network, port forwarding can help a VPN more easily access certain sites that its routers or firewalls might intercept.

6) VPN providers that utilize port forwarding recognize the speed, accessibility, and other advantages this technique provides, so they integrate it with their other offerings.

7) In many ways, port forwarding is best used as part of a VPN. The VPN provider usually carefully monitors it to ensure that users enjoy everything it has to offer without the security risks it sometimes presents.

@UndercodeTesting > powered by wiki
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๐Ÿฆ‘ How Port Forwarding with UPnP ?

Setting up port forwarding with the automatic UPnP protocol is simple, but potentially quite unsafe.

1) We would only recommend you use UPnP if you donโ€™t have sensitive information on the device youโ€™re configuring it for, or youโ€™re not concerned about your cybersecurity for whatever reason.

2) To set up port forwarding with UPnP, you can:

Sign in to Google Fiber.
> https://fiber.google.com/

3) Click on the โ€œNetworkโ€ button.

4) Choose โ€œAdvanced,โ€ and click on โ€œPorts.โ€

5) Switch โ€œUniversal Plug and Playโ€ On (it will be set to Off by default).

6) Click โ€œApplyโ€ to save your new preferences.

7) Adjust your manual and automatic port forwarding rules and
settings from the list that follows.

8) You can go back into these settings and disable UPnP at any time.

๐Ÿฆ‘Manual Port Forwarding

1) Setting up port forwarding manually is typically a better option overall than using UPnP, but it requires the most complex setup of our three choices.

2) These steps may vary based on your specific device, router, and preferences, but generally, to manually configure port forwarding, youโ€™ll need to:

3) Make sure your device has a static IP address. If your IP address is dynamic, or changes from time to time, this will mess up your port forwarding configuration.

4) Log in to your router.

5) Find the port forwarding tab. The label for this particular information may be different depending on the make, model, and type of router youโ€™re working with.

6) Input the port(s) you want to forward traffic with, along with the protocol youโ€™d like to use to do so.
Enter your static IP address.

7) If applicable, click the โ€œEnableโ€ button or box, then save your updated settings.

8) Since manual port forwarding is complicated and variable, the above is a very simplified version of the steps needed to implement it.

9) Before starting, we suggest that you look up guides specifically designed to help you implement port forwarding on those particular devices.

@UndercodeTesting
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For any Suggessions or any missed tutorials plz leave a message @UndercodePosts
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๐Ÿฆ‘STM32F417IEH6 chip decryption / SCM decryption / STM32 crack for experts by undercode:

๐Ÿฆ‘ IC chip decryption model:
STM32F405RGT6, STM32F415RGT6, STM32F407VET6, STM32F417VET6
STM32F405OGY6, STM32F415OGY6, STM32F407VGT6, STM32F417VGT6
STM32F405OEY6, STM32F415VGT6, STM32F407ZET6, STM32F417ZET6
STM32F405VGT6, STM32F415ZGT6, STM32F407ZGT6, STM32F417ZGT6
STM32F405ZGT6, STM32F407IET6, STM32F407IGH6, STM32F417IET6
STM32F417IEH6, STM32F417IGT6, STM32F417IGH6 ...

๐Ÿฆ‘ STM32F405 / 415 chip introduction:

1) The STM32F405 / 415 series of MCUs are aimed at medical, industrial and consumer applications that require high integration, high performance, embedded memory and peripherals in packages as small as 4 x 4.2 mm. The STM32F405 / 415 MCU provides the performance of the Cortexยฎ-M4 core (with floating point unit) operating at 168 MHz.

2) STM32F407 / 417 single chip microcomputer introduction:
The STM32F407 / 417 series of MCUs are aimed at medical, industrial, and consumer applications that require high integration, high performance, embedded memory, and peripherals in packages as small as 10 x 10 mm. The STM32F407 / 417 MCU provides the performance of the Cortexยฎ-M4 core (with floating point unit) operating at 168 MHz.


3) In the chip decryption industry, the most accurate decryption method is to take the hardware decryption method, that is, dissolve the chip with a specific fat-dissolving chip to expose its wafers. It is also necessary to have certain skills when operating this step. When performing this step, sometimes, the chip may be dissolved badly, that is, the wire is dissolved, so that the chip is completely useless.

4) When the wafer is exposed, then we will use a high-power microscope and FIB (focused ion beam equipment) to use these two devices to find the encryption position of the chip and change the encryption chip to unencrypted by changing its circuit. State, and then use the programmer to read out the program inside the chip.

@UndercodeTesting
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๐Ÿฆ‘Linux steps to build NFS file sharing server
> BUILD YOUR OWN

1) Linux build NFS server

In order to achieve data sharing in different operating systems, we generally build some servers for file sharing, nfs server is one of them, it realizes the sharing between linux and linux. Today I will share the steps on how to build an nfs server on a Linux system for your reference.

2) Construction steps

1. Install nfs required packages


yum install rpcbind nfs-utils
2. Create test files and grant permissions

mkdir /home/test
chmod -R 777 /home/test/
cd /home/test/
vim aaa/bbb.txt
3. Modify the configuration file

vim /etc/exports
/home/test 192.168.121.0/24(rw)

4) ro
rw
sync
hide
no_hide
all_squash
no_all_squash
root_squash
no_root_squas
4. Open the service

systemctl start rpcbind nfs

echo "192.168.121.38:/home/test /nfs nfs4 defaults 0 0" >> /etc/fstab
mount -av
5. View shared information


showmount -e 192.168.121.38
6. Access to the
Linux side of the NFS server :

mount 192.168.121.38:/home/test/ /mnt/
df

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๐Ÿฆ‘Graphic tutorial to install Cygwin on Windows system to build Swoole test environment
๐Ÿฆ‘Foreword

> Yesterday, the local installation Swooledebugging environment encountered several pits, because my computer is a Windowssystem, it is installed cygwin, but the process is not smooth, installation problems spate terminal, and a step by step to find information pit row, final The installation was also successful. In order to allow others to install successfully at one time and save a lot of trouble and trouble, I wrote this article specifically, hoping to help those in need.

1) Download Swoole

Swoole download address: https://github.com/swoole/swoole-src/releases
2) Open browser download, download location to the slide, can download the zippackage or tar.gzpackage, the download is complete standby waiting behind.
3) Download cygwin

cygwin download address: https://www.cygwin.com/
Open in the browser cygwin's official website, down to the Installing Cygwinsection, click the setup-x86_64.exedownload exefile to

๐Ÿฆ‘Install cygwin

Find just downloaded setup-x86_64.exethe file, double-click it to start the installation cygwin

Step 1: Open the installation interface and click next directly
Step 2: Select the download source, we directly select the default Install from Internet, and then click Next