IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [port-forwarding]

82 questions
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How to force clients to browse Internet through Squid Proxy

I am using Windows Server 2012 in which I have shared internet through NAT to a secondary LAN card using routing and remote service. The problem is that when my clients are browsing through proxy 10.0.0.1:3128 everything goes right, but when they…
Neeraj Mehta
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Mitigating DDoS With Command of Ports

Is there any type of DDoS where closing or taking full control of all port capabilities would be useful in mitigation of an attack?
user67862
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Analyzing UPnP entries from home router

I'm using a tplink router for my home LAN and just noticed that in the UPnP section in its control panel there are two entries with App description: Teredo of tipe: UDP and ports: 55566 and 49868 How can I analyze what application is using those…
Bush
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ssh port forwarding setup on server (jump host)

I need to set up an ssh port forwarder on a server (jump host) in a manner that the ssh client does not know the target destination. client machine --> jumphostserver --> targetserver:port I can set up an ssh tunnel locally on client machine which…
Vasuvius
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"Trusting" the Host header in a port-forwarding environment

A similar question has be answered here already, but I have a very specific scenario in which it didn't fulfil my requirements. I am setting up an environment which includes a web-service running on an intranet domain. Certain partitions are…
Beltway
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What is the threat/risk difference in opening multiple ports on one physical NIC on a home server vs creating VLANs and opening ports on each VLAN?

I have a single home server with a single NIC. I intend to run numerous services -- some will be internet exposed, some will not. I don't know if I am going to run them as VMs or Docker container but it shouldn't matter for this question. Say I…
IMTheNachoMan
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Is opening all ports on a router safe if it is simply redirection to a VPN server at 192.168.1.2:51820?

The motive for doing this is that I want to open other ports so that I can evade firewalls which block VPN connections. Instead of redirecting eg. port 53 or 123, I could simply set up a destination NAT rule (my router allows 'easy' port forwarding…
The Legend 27
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Snort Inline Mode(IPS) Routing Packet Forwarding

I'd like to build an IPS which would be a seperate endpoint than the router and/or protected servers. To achieve this I've installed to my Ubuntu server Snort with DAQ(AFPACKET). The instructions I've used is here -> Snort 3.0.1 on Ubuntu 18 &…
TheSoulkiller
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How to use Chisel for Port Forwarding?

I'm getting started learning pentesting and I came across this situation. Privilege Escalation Running WinPeas I noticed a change to escalation bypass UAC. I was thinking to use a local exploit (Kali) with Chisel forwarding this traffic for…
Shinomoto Asakura
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IT department says our windows 10 server is 100% going to be hacked because of port-forwarding my software

We have a local virtual windows 10 server hosting some custom software. This VM is only hosting this service and nothing else. This software is made of: An ASP.Net core web app, public API, only returns data, never writes Custom UDP communication…
Nick Peelman
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MitM Traffic with Burpsuite and a Mobile Device doesnt show up anything

I try to Man in the Middle the traffic of an App to a Cloud. For this purpose I use the Burp-Suite Pro Edition. What I've done: Setup a WiFi with an Alfa-Wifi-Dongle and create_ap; shared the network with my eth0. Connect my Mobile Device to it and…
Tyr
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Help understanding pivoting and port forwading

I am trying to learn about pivoting/port forwarding and how to take full advantage of it. If I am connected to a network with the ip 192.168.0.10 and can see that 192.168.0.11 has access to a website hosted on 10.10.10.10 I am able to gain access to…
user234524
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Security of port forwarding when the target is turned off

I recently set up a server from an old computer case. I use docker to install and use different services on different ports and I would like to access some services from outside of my house. I have a domain from namecheap and I set up dynamic dns…
kylethedeveloper
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How does my ipcamera work despite UPnP disabled on home router?

Recently I bought an IPcamera in order to test its security. Unfortunately, it just has 2 ports open : 554/tcp RTSP 5000/tcp UPnP I was pretty sure the ipcamera would poke my router and open up internet facing port (that's what UPnP is suppose to…
v1h5
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What are the risks of opening ports (and how do I protect against said risks)

I started a minecraft server and I want to have it running 24/7 with open ports so that friends can play. My dad thinks that we will be hacked because of the open ports, and I have hardly any knowledge of networking and such. So can anyone tell me…
James D
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