2,996 questions
0
votes
0
answers
13
views
Multipart Request - FilePart Missing (Based on Network & Time taken)
I am submitting a multi part REST API request to a Tomcat server running on a container in AWS. The request has only one part in it, which is an unencrypted excel file. I am having a servlet Filter ...
- 790
0
votes
0
answers
40
views
Win32Exception: No connection could be made because the target machine actively refused it. and SqlException: Login failed for user 'SA' [duplicate]
I’m trying to run an ASP.NET project on Microsoft Visual Studio, but I get this error every time I run the project and try to sign up on the web. Before this, I used Docker and Azure Studio for the ...
0
votes
0
answers
12
views
NFTables set with log prefix field
I am doing some research with nftables.
I am trying to create a set of IPs that will be either dropped/logged or dropped/accepted.
Why use a set? Because I want to easily add another element, such as {...
- 662
-1
votes
0
answers
18
views
How to block domain using windows firewall [closed]
I tried resolving the domain to its corresponding IPS using multiple DNS servers and added all those in the firewall IP table.
This approach is working for domains like x.com or twitter.com , but for ...
0
votes
1
answer
30
views
ZeroTier Flow Rules: How can I block all connections initiated by members without a specific tag? [closed]
I'm trying to set up flow rules on a ZeroTier network, where only certain ports are allowed and members that aren't tagged as an "operator" are not allowed to initiate connections between ...
- 375
0
votes
0
answers
49
views
git with firewall and captive portal
Our firewall requires a seperate login with 2fa before we can access the git repository.
Is there a way to open the login Site automatically in an browser when git is not able to find the repo?
(...
- 357
0
votes
0
answers
17
views
How to block HTTP requests in a Jest test (except through a proxy)?
I am developing a Node.js application that makes HTTP(S) requests through a proxy, if configured to do so. So I'm writing Jest tests for this scenario, which is simple enough, using mockttp.
With this ...
- 1,572
1
vote
1
answer
50
views
How to get a list of recent firewall changes and the details using powershell?
I would like to have a list of recent firewall changes (as is often made by installing software), and see the details of the firewall change that was made.
I managed to get a list within a certain ...
- 16.8k
-1
votes
1
answer
50
views
Let's encrypt throwing Error 'Cached order has status invalid' for IIS Server
I am error while creating Let's Encrypt SSL certificate for my domain app.mysite.io using win-acme (wacs).
I am using IIS server for deployments and bindings.
The Domain is already pointed to my ...
- 21
0
votes
1
answer
52
views
Azure Function not triggered by Service Bus Topic with Firewall rules despite whitelisting app
Edit: The solution, which is actually in the doc of service bus network page, is to have a virtual network with a subnet delegation to Microsoft.web/ServerFarm, and to connect both the service bus and ...
- 21
0
votes
0
answers
33
views
I can't connect to my Lightsail instance via SSH - port 22 closed and no access to web console
I have an instance on AWS Lightsail, and I am unable to connect via SSH. I have checked the firewall rules in the Networking tab and port 22 is open, but when I try to connect, I get an error that the ...
2
votes
2
answers
63
views
Can't Access GCP Docker container
services:
demoapi:
container_name: demoapi
image: demoapi:latest
volumes:
- ./demoapi:/app/demoapi
environment:
- TZ=Asia/Taipei
ports:
- "8090:8090"
...
- 21
0
votes
1
answer
59
views
Why requests to the forwarded docker port are not blocked despite firewall blocking the port?
I'm trying to set up a simple web application in a docker container with a nginx reverse proxy (not in a container, on the host).
Here is how I run the container:
docker run -d --name mywebapp -v /...
- 327
0
votes
0
answers
25
views
i am encountering err_connection_closed while fetching https in mikrotik router
encoutering an error "ERR_CONNECTION_CLOSED" in my browser console. So basically am trying to start a wifi hotspot venture and am using mikrotik 951ui 2hnd v.6.49.1 with custom captive ...
0
votes
0
answers
162
views
Calls to storage.googleapis.com suddenly getting "Connection reset by peer" (but not in Browser)
Some change has happened recently with some of google's APIs. Suddenly, requests made while on my work network all fail during the TLS handshake with a "Connection reset by peer". The odd ...
- 243
0
votes
0
answers
39
views
Connection timeout while connecting to smtp with spring boot starter email in docker
I am using spring-boot-starter-mail to send emails and also I am deploying my spring boot application with docker
I am unable to connect smtp server on any port with docker, while with host I am able ...
0
votes
0
answers
35
views
Delay to get connection pool
I have a Java Spring Boot application running on AWS EKS (Dockerized OS: ALPINE 3.14). I have hybrid cloud architecture where my DB is on-premises.
Whenever I do an API call initially I face delay of ...
0
votes
0
answers
216
views
unable to connect to repo.anaconda.com
Im trying to install anaconda on a company laptop, Ive installed it on other computers without problems...
I navigate to https://www.anaconda.com/download, give my email address and click the submit ...
- 83
0
votes
1
answer
42
views
rsyslog mutiple logfiles in %msg%
I have set up a rsyslog-server to receive firewall logs from a Sophos XGS4300 over TLS.
The connection is working fine and I am receiving logfiles from the firewall.
BUT in a single (syslog) message (%...
0
votes
0
answers
33
views
EdgeDB stopped working after installing Docker Desktop - Windows 11
I installed WSL on Windows 11.
I got it working by following the advice here: Firewall blocking WSL 2
In particular, this resolved the issue
I was able to fully resolve this issue of Norton 360 ...
0
votes
1
answer
75
views
Accessing an SQL database hosted in Azure from a Windows app
I've created a Windows-based application (C#, .NET, Windows Forms) which communicates with an SQL database hosted on Azure.
This is all working fine, but the problem is that every time a new ...
- 1
0
votes
0
answers
14
views
Splitting requests with subdomains up to two servers (tomcat)
I've got the following network structure:
An external request with subdomains should be routed to two different TomCat servers (depending on the subdomain). I currently have found a working solution ...
- 19
0
votes
0
answers
17
views
Trying to whitelist `DOCKER-USER` ports but it blocks containers from resolving DNS
I have some containers that are bound to the host but I don't want them to be exposed to internet except HTTP ones. So I do:
sudo iptables -F DOCKER-USER
sudo iptables -I DOCKER-USER -i ens3 -p tcp -m ...
- 672
0
votes
0
answers
23
views
Rejected ports within `DOCKER-USER` are still visible from nmap as "filtered"
by default Docker will adjust iptables according to containers bound to the host... but in my case I don't want to have all exposed to internet. What I'm doing is modifying the chain DOCKER-USER so it ...
- 672
0
votes
0
answers
34
views
dataproc cluster launching failing
I cannot create a dataproc cluster on compute engine in a given vpc/subnet.
even though the firewall rule exists in said vpc.
Firewall rule
Initialisation failed. Enabling Diagnostic mode com.google....
0
votes
0
answers
40
views
ERROR: (gcloud.access-context-manager.perimeters.update) Error parsing [perimeter]. The [perimeter] resource is not properly specified
I am trying to set up Products for an Apigee on Google Cloud and get the error Products were not loaded successfully. Error: no connections available from the Apigee connect agent(s): refer ...
0
votes
0
answers
86
views
Does Azure firewall drop packets with SYN+ECE_CWR flags set
There are tcp retransmissions after SYN+ECE+CWR transmission. I want to know whether you have experienced a behavior where azure firewall silently dropping packets like this intermittently.
Unable to ...
- 1
0
votes
0
answers
81
views
Fetch cloudflare worker in the same zone unsupported
I'm using javascript cloudflare worker and I'm making a fetch request to another server, same cloudflare account, written on golang.
Server responds with 404 Not Found, error code: 1042, which means
...
- 1,523
0
votes
0
answers
37
views
NPM dependency over git+ssh behind proxy
In one of our Node.js projects, there is the following dependency in the package.json file:
"cordova-plugin-mobile-ocr": "git+https://bitbucket.org/bhivedevs/cordova-plugin-mobile-ocr....
- 423
1
vote
0
answers
190
views
External Access Issues with Nginx on Port 443: curl Works Internally but Not Externally
I’m encountering an issue with my Nginx server related to external access on port 443. While everything seems to work fine when tested internally, I’m unable to access the server from external ...
- 66
0
votes
1
answer
37
views
Create rule with New-NetFirewallRule and get LocalPort value of the rule created
When creating Windows Firewall rule with New-NetFirewallRule, it returns some data about rule created:
PS C:\> New-NetFirewallRule -DisplayName "Allow debug rule" -Direction inbound -...
- 695
-3
votes
1
answer
50
views
How can I identify all network traffic that matches a push or commit to github.com?
Say I have thousands of users on the same corporate network making millions of network requests/transactions.
Say some of them are committing or pushing code to some repo, public or private, on github....
- 5,771
1
vote
1
answer
43
views
Enable public internet traffic to Flask app running in WSL
I have a flask app running in my local laptop with host as 0.0.0.0. When I run this flask app on my windows, I am able to access the endpoints from other laptops/internet. But when I deploy the same ...
- 2,013
0
votes
0
answers
41
views
Intermittent ERR_CONNECTION_REFUSED
We are having an issue with our internet connection and I cannot seem to identify what specifically is causing the issue.
Throughout the day, certain sites suddenly drop all for about 2 minutes ...
0
votes
0
answers
18
views
Firebase Cloud Function Address Space for Firewall VM setup
I have a VM running at GCP and want to access this VM with my firebase function via express.
Now the VM has a public IP, I would like to set the firewall of the VM so that only traffic from the ...
1
vote
1
answer
123
views
No logs for the default-allow-icmp FW rule
I'm trying to catch and log the ICMP packets between 2 GCE instances. To do this I enabled logging for the default-allow-icmp rule:
Priority: 65534
Direction: Ingress
Action on match: Allow
Source ...
- 21
-1
votes
2
answers
230
views
Determine if a firewall rule with a certain name exists
Simple question, how to compose an if else expression if a firewall rule named "rule X" exists? I found a dozen different examples, but they were either not working or too abstruse.
$r = Get-...
- 5
0
votes
1
answer
139
views
linux libnftables export rules
how to use :
# man 3 libnftables
const char *nft_ctx_get_output_buffer(struct nft_ctx *ctx);
I want save nftables rules (without print on console). but nft_run_cmd_from_buffer immediately print rules ...
- 1,919
0
votes
0
answers
103
views
Content Security Policy directive violation in ASP.NET application
I have an ASP.NET application that goes through Cloudfare for web security and then reaches the application.
When I load the application for the first time i.e., Home page, the javascript and css ...
- 323
0
votes
0
answers
185
views
timeout with netcat connection and established connection with netstat
I would like to check if there is a open port in remote machine, so I always use:
nc -zv 10.4.2.4 2760
Ncat: Version 7.92 ( https://nmap.org/ncat )
Ncat: TIMEOUT.
Like you see it gives me timeout. ...
- 81
1
vote
2
answers
132
views
Can't open the given URL to access the Jupiter notebook running in GCP VM
I was running a ML model in a python GCP VM, and results(visualizations) are stored in a jupyter notebook. So I installed jupyter notebook to the ubuntu vm and ran jupyter from the relevant location ...
- 782
1
vote
1
answer
178
views
Status Code 0 in Application Gateway from some networks
Today at 12:00 I changed the DNS Entry to point to an Application Gateway instead of Azure Frontdoor. After doing that there were some failures with status code 0. The funny thing is that only POST ...
- 61
0
votes
0
answers
572
views
Microsoft Clarity recording/heatmap issue - Broken CSS and Images
First of all, I would like to warn you that I have already read the Microsoft Clarity documentation, but there is not much guidance on the subject (https://learn.microsoft.com/en-us/clarity/heatmaps/...
0
votes
1
answer
367
views
I Can't Connect To Digital Ocean Managed (Postgres) Database
I was working at a WeWork location and have been connected to my DO database the entire week without any issues. Today I left the office for a few hours, came back and found that I was no longer able ...
- 766
0
votes
0
answers
84
views
Palo Alto VM on AWS: NAT Rule for Port Forwarding Not Working
I have deployed a Palo Alto VM firewall on AWS for testing purposes with the following interface setup:
WAN: ethernet1/1 (with an Elastic IP assigned)
LAN: ethernet1/2
I want to create a NAT rule ...
- 354
0
votes
0
answers
28
views
How to set SSL CA for Docker Desktop in Windows
I am trying to set up Docker Desktop in my Windows PC. The company firewall is intervening the network connections, thus docker server is rejecting my connection.
PS C:\Users\maldemir001> docker ...
- 1
1
vote
2
answers
147
views
How to skip vars_prompt if variables exist within import_playbook?
I have this playbook script to execute some basic task on the switch and firewall.
Requirement :
Case 1. User need to execute the parent script to perform all basic
task on child 1 and child 2.
Case ...
0
votes
1
answer
52
views
Using ipfw and pf together
I would like to use pf and ipfw at the same time for different tasks, but I can not understand who is activated first (if there is an order) when a rule is received.
Also trying to verify this, I can’...
- 1
0
votes
1
answer
528
views
How to add http://localhost:3000 to Windows through Firewall?
I am following along to a course on Test Automation Academy, on Introduction to Cypress and the course uses:
http://localhost:3000.
Currently I cannot run any the code on my machine I have cloned from ...
- 113
0
votes
0
answers
45
views
How to correctly format a powershell script in c#?
So writing a C# program which will require network access, thus needing to add a rule to Windows Firewall.
Here is the code:
Console.WriteLine("Firewall not yet configured, doing now.");
...
- 21