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Questions tagged [segmentation]

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Debating between architecture options for offline updating of Linux machines in a vertically segregated network

My coworker and I are discussing the pros/cons between two potential architecture options, and I would like to gather feedback on which option is better and why. First, a description of the ...
1
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2answers
334 views

AWS serverless architecture compliance with PCI DSS 11.3 penetration testing segmentation

I am wondering how to comply with PCI DSS requirements (11.3) to test segmentation controls using penetration testing in AWS serverless architecture. We are using components such as AWS Lambda, AWS ...
1
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0answers
132 views

buffer overflow 64 bit issue

I have a problem when trying to overwrite the EIP (basic 64 bit buffer overflow) with an address 0x0000000000400546 which is a function that is located in the same program .. the EIP is at 88 bytes .. ...
3
votes
1answer
658 views

Python - ctypes.cast function call outputs Segmentation Fault error message

Background: Writing a proof of concept of a twitter C&C inspired by Prof Viviek of SPSE similiar to twittor and the project includes a functionality of injecting shellcode and executing it ...
0
votes
1answer
90 views

Segmenting Network: Zone location of a multipurpose NAS

I am currently segmenting my home network into several networks and zones due to the fact that my cheap router keeps all devices (private, smart home, entertainment) in one network (without a guest ...
0
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2answers
940 views

C program Segmentation fault exploit

I have a vulnerable program in c which copy argv into a buffer and then print it: # include <string.h> # include <stdio.h> # include <stdlib.h> void func(char * arg){ char name[...
4
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0answers
433 views

C program - exploit program (after seg fault)

The program below takes three parameters - Base to convert from, base to convert to and the number to convert in binary As part of learning security - I am trying to buffer overflow this program. I ...
-3
votes
2answers
102 views

What are the risks of having a server with 2 interfaces each one in a different security zone?

In an organization usually have production and preproduction environments segregated in different physical or virtual machines. However, this new appliance is very expensive and the organization is ...
1
vote
2answers
135 views

Is it reasonable to make mandatory inside an organization (in the internal network) that all traffic were encrypted?

Is it reasonable to make mandatory that all traffic were encrypted inside an organization (in the internal network)? Usually, in the LAN of an organization some protocols are plain text, for example, ...