All Questions
Tagged with networking firewall
505
questions with no upvoted or accepted answers
9
votes
0
answers
12k
views
What IP/ports should be opened for Docker Hub?
Given our client's restrictions, we cannot have our VMs completely open to the internet. However, we sometimes need to pull Docker images from Docker Hub.
We can white-list IP addresses and ranges, ...
- 201
5
votes
1
answer
2k
views
Block Windows 10 P2P updates with a corporate firewall
I work for a small IT company that fix mostly Windows computers, and lately we have an huge issue with Windows 10 updates.
When a new computer enters our network and starts downloading updates, it ...
- 163
5
votes
2
answers
902
views
Issue with China's Great Firewall (or other odd networking issue)
We periodically deploy an application to a computer located in China (from Canada). We deploy the changes using Subversion - we're talking a ~100Mb diff. We've noticed that the speeds are good until ...
- 205
4
votes
0
answers
145
views
Handling 2FA URLs behind a Restricted Network
I have an application which uses a Payment Gateway from a local bank (Bank A). The application is behind a restricted network (It wasn't until the Wannacry Ransomware hit).
In this case, the network ...
- 183
3
votes
0
answers
2k
views
How can I delete a Windows Filtering Platform rule or restore WFP to default settings?
I am using Mullvad VPN client on Windows 10 1909 which under normal circumstances sets up Windows Filtering Platform rules that block all connections outside the VPN tunnel when the application is ...
3
votes
1
answer
4k
views
Open a particular port so WSL can talk to my browser
I'm trying to run Jupyter notebooks from WSL (Windows Subsystem For Linux). The default port it uses is localhost:8888
However if I try to reach that in my browser, nothing happens.
If I start ...
- 190
3
votes
0
answers
498
views
MITM redirecting to my own NTP server, blocking traffic to Apple NTP pool
CONFIGURATIONS
ipv4.forwarding 1 (ON)
arp_cache_poisoning between VICTIM & D.G.. (192.168.1.100 & 192.168.1.1)
**LAN**
VICTIM: 192.168.1.100
ATTACKER: ...
- 31
3
votes
2
answers
4k
views
How to set up OpenWrt traffic rule for port forwarding IPv6 server on my LAN?
I would like to allow inbound IPv6 traffic on ports 80/443 for a globally routable web server on my home network. What's the best way to do this with OpenWrt, which by default blocks incoming IPv6 ...
- 636
3
votes
0
answers
2k
views
Open port with pfctl in OS X El Capitan - Allow incoming connections from Internet
I was struggling with a kind of configuration that I'm doing with my mac mini. I have set my machine on the DMZ of my network, so any request to my public ip will end on this machine.
The problem is ...
- 133
3
votes
1
answer
382
views
Configure firewalld to distinguish home and public ethernet connection
I connect my notebook via ethernet at home and outside. I want to open some ports for services like samba only at home and not somewhere else.
How can i let firewalld automatically detect where i am, ...
- 31
3
votes
1
answer
1k
views
Apache Spark cluster through a proxy?
This is more a speculative question to those with more networking / Apache Spark experience than me.
My current setup: two 32GB, 4GHz Core i7 machines I'd love to tie into a Spark cluster. However, ...
- 177
2
votes
0
answers
53
views
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. When attempting to load the websites in the browser, I either get "This connection has ...
- 21
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
2
votes
0
answers
859
views
Allow a QEMU VM access to the internet, while blocking access to LAN
Host OS: Arch linux
I have read the qemu and libvirt documentation regarding networking but still cannot get this to work. I am trying to set up a Linux virtual machine for general use that has access ...
- 21
2
votes
0
answers
409
views
Public vs private network setting for macOS?
On windows, we can set a LAN to be a public or a private network, to improve security.
Questions:
What does windows actually do (in terms of firewall settings) when I set a network to be private?
...
- 335