All Questions
Tagged with networking firewall
1,062
questions
2
votes
0
answers
13
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Experiencing connectivity issues with certain sites but not others
I recently switched ISPs (based in Australia) and since connecting I have had issues with certain sites. I can see no pattern between the sites that work and those that don't. Running a tracert to ...
- 21
0
votes
0
answers
53
views
Is there any way to block connections by process and hostname system-wide in Windows?
In macOS, a firewall app like Little Snitch can block outgoing connections by both process and hostname (as opposed to just IP address), allowing fine-grained control over which network connections ...
- 856
0
votes
0
answers
49
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Mullvad VPN running on VPS causes issues with Remote Desktop connections
I want Mullvad VPN to run on my Windows VPS.
However, the moment I enable Mullvad I can no longer connect to my VPS via Remote Desktop, it simply does not connect.
Some further requirements:
I don't ...
- 1,252
0
votes
0
answers
19
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VM Virtualbox: can only login on VPN client on VM when VM's firewall is off. How to add an exception to the VM's FIrewall?
I need a Windows OS for work in which I have full control. I have a computer with Ubuntu and from there I am running a Windows 10 VM through Oracle's VM VirtualBox.
My work requires me to use a VPN ...
1
vote
0
answers
51
views
Firewall drops DHCP with full allowed or disabled Firewall in Fresh unchanged Windows 11 23H2 Installation
I installed a fresh Win 11 23H2 (with lot problems caused to broken Installer-PE, but not the point)
The Network Connection dont work. Its a Reaktek 2,5GbE 8125 Adapter.
I tried:
diffent settings like ...
1
vote
0
answers
25
views
Is there anyway to disallow accessing local network devices through global IPv6 addresses in linux?
I realize that this question might sound kind of strange, but it is necessary for my situation as far as I can tell.
The root of it is that my ISP assigns IPv6 global addresses dynamically and ...
- 121
0
votes
0
answers
15
views
Azure VM private IP is used for outbound access through Azure APIs instead of NAT Gateaway IP
so I have a VM (it has a NIC with a public IP for inbound traffic so I can SSH into it) within a subnet, that subnet has a Nat Gateway with a static public IP attached to it, and that static public IP ...
0
votes
1
answer
113
views
How to resolve an asymmetric routing issue?
I have a network consisting of the following:
PfSense router with untagged network 10.1.0.0/23 and tagged VLAN 40 network of 10.1.40.0/24.
I have a wireless computer connected to the the 10.1.0.0 ...
- 1
0
votes
0
answers
76
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FTP Server can be accessed locally but not from other networks
I have set up an FTP server from microsoft IIS to communicate with some 4G cameras that I have placed in the field (that support FTP). Right now I am testing this server to troubleshoot why it doesn't ...
2
votes
0
answers
47
views
Connection abruptly terminated by remote host when trying to gain ssh access to a windows computer from outside the local network
I have a windows computer and would like to gain ssh access to its powershell from outside my home network. For this purpose, I opened a TCP port on the router and set up automatic forwarding to the ...
- 121
1
vote
1
answer
96
views
Is it possible to temporarily block internet connection to a specific program? preferably with a keyboard hotkey
I was wondering if there is any third-party application that would make it possible for me to temporarily sever internet connection to a specified application? My hope is to use a key bind for this ...
- 13
0
votes
1
answer
157
views
How to stop ufw-firewall preventing me to ssh into another server?
I have a weird issue on Ubuntu 22.4.4 LTS.
Using the ufw firewall, I allowed SSH/Port 22, HTTP and HTTPS. I can successfully login via SSH into my server. However, when I am logged in on the server, ...
- 103
0
votes
0
answers
64
views
Firewalling Docker Compose
I'm trying to operate Docker Compose containers behind a firewall on Debian 12. I cannot get access to the host machine (set up to be host.docker.local in the containers) to work within the containers ...
0
votes
0
answers
23
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I cant set up two different network categories for two independent network interfaces on windows 11
I have to set two different network categories public and private to two different lan adapters. There are multiple firewall rules that open ports that only shall apply to the LAN.
Whenever I execute ...
- 111
0
votes
3
answers
86
views
iptables not dropping udp port for exact ip address
My iptables rules are as follows:
-P INPUT ACCEPT
-P FORWARD ACCEPT
-P OUTPUT ACCEPT
-N f2b
-A INPUT -p tcp -m multiport --dports 80,443 -j f2b
-A INPUT -d (my public facing ip)/32 -p udp -m udp --...
- 93