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Questions tagged [firewall]

GENERAL FIREWALL SUPPORT IS OFF-TOPIC. Support questions may be asked on https://superuser.com. A firewall is a network security device or software. Please specify the brand and model or version in your question.

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Error downloading Task from Self-Hosted Windows machine

When I run my pipeline from my agent v3.x.x in a self-hosted windows machine, I get the following error when trying to download task AzureKeyVault@2. However, it allows downloading tasks as Powershell@2 and AzurePowershell@2, without errors. When I…
Alejandro
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How to fix "DNS_PROBE_POSSIBLE" error in Chrome or other browsers?

I am trying to access the "Amazon web services console" but I am getting the below error "DNS_PROBE_POSSIBLE" continuously. I have tried to restart the router, and it worked but soon the same error.
Sandeep Kumar
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GCP VM SSH - port timed out

I have created a GCP compute engine on default vpc, allowing all ports. In the IP range, I have mentioned the external IP address of the compute engine. I was able to ssh to the host via cloudshell gcloud. Later after 2 days, I was unable to SSH to…
user16798185
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Powershell error when running Azure AD cmdlets

I am running the normal AzureAD commands from a new Azure VM which is behind firewall . I believe the required firewall ports are open to login.microsoftonline.com but cannot say for sure with the error message if its really a firewall issue. Has…
Samarth Rao
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Unable to Access Azure VM behind Firewall after installing Docker

I have an Azure Ubuntu 20.04 VM behind Firewall. I was able to access the VM via SSH until I started installing Docker. When I was mid-way through, the installation stopped and I lost connectivity to the VM. I am unable to find anything. I have…
Abhishek kumar Jha
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docker overlay not seeing UDP messages from particular IP

We have a docker swarm running with overlay. One of the docker services exposes a UDP endpoint. I am not seeing UDP traffic from a particular machine in the docker_gwbridge using tshark but I can see UDP traffic coming in from all other…
Hardik Sanghavi
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Error on local host Chrome with React project, how can I avoid this issue?

For a few days now I have been encountering an issue while trying to npm start a template I have downloaded and opened on VS code. Everytime I start and that the project opens on my Chrome localhost server, this error is thrown : localhost refused…
Jaal Audin
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nginx is listening on port 80 and website is up but cannot renew HTTPS certificates

I have a raspberry pi that runs nginx and hosts a personal website. My pi says that nginx is running on port 80, but is refusing connections. This is an issue because it means I can't renew my SSL certificate with certbot. I know that nginx and my…
Razorfoot
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SCC Finding filter based on iso (or other) compliance IDs

I need to filter out all Firewall related findings in SCC. I want to avoid hardcoding all the categories names from here. Instead I was hoping to find a common denominator for all of the firewall ones (and found this to be ISO A.13.1.1 Network…
Pepsi133
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Connecting to Azure SQL using Databricks

I have a script that uses SQLAlchemy to connect to Azure SQL database. I am running this script on Azure databricks, but every time the cluster starts I need to manually add the Databrick's IP address to the firewall of Azure SQL, so that the code…
harsh panday
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tomcat installed in remote Ubuntu server doesn't connect using http://myIpAdress:8080

I have a remote server : Ubuntu 22.04. I have installed Tomcat 10 based on this tutorial . tomcat is running: root@server:/opt/tomcat/conf# sudo systemctl status tomcat ● tomcat.service - Tomcat Loaded: loaded…
ayada
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CGI script return 500 Internal Server Error from web, although work from command line

OS: AlmaLinux 8.8. Server version: Apache/2.4.37 (AlmaLinux). Command: perl /home/user1/public_html/test.cgi return: Content-type:text/html Hello! File properties: -rwxr-xr-x. 1 nobody nobody unconfined_u:object_r:httpd_sys_script_exec_t:s0 88…
Qompass
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How do I install python packages behind firewall using pip

On my work computer, I can browse to pypi.python.org but on my jupyter notebook, whenver I try to pip install a package, I get error. I tried: !pip install langchain or %pip install langchain or pip install --proxy http://host:port/…
Victor
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azure firewall how to unlink and delete

Having several azure firewalls running very high bills on simple developer subscriptions. Inside a azure vnet I don't think firewall necessary for every developer subscription? How to test of the firewall is up and running and if not unlink or…
vrao
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UFW unable to verfy iptables version, despite being installed

Hello I'm setting up a server to use openvpn with, to avoid the (Code=111) error I need to set a few rules to ufw. However I get the following Error with ufw... user@debian:~$ sudo ufw enable ERROR: Couldn't determine iptables version the server is…
TheRunningMan12
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