HTTP host available issue in flutter console - flutter-dependencies

I have all the http host availability as X mark in flutter console.I couldn't find an answer.Can you please help me out?

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SIM800L http"S" connection problems

I have a SIM800L module. Which has R14.18 firmware(supports TLS 1.0 and SSL) in it. I am having trouble to connect to http"S" servers. I can connect http servers no problem there. All this information and steps i got from datasheets, forums and YouTube videos. But i havent seen anyone connect to http"S" servers specifically.
I have no idea what I am missing if someone could rightdown the steps as a dummies guide that would be great.
Thanks in advance.
P.S: I am planing to use this with arduino iot cloud api any help would be appreciated there!
So far i tried;
Configuring the bearer and http with AT commands always getting 601,603,605 etc.
I checked the DNS and SSL cert but I'm not confident there since these are new to me
Tried to connect with TCP/IP wasn't able to connect.
Ok i figured it out i just needed to be a bit more careful that was all :)

Problem with OTRS web service: "Backend Kernel::GenericInterface::Transport::HTTP::REST not found"

I have imported the web service GenericTicketConnectorREST into an OTRS 6 Community Edition system, but receive no response from the server, no matter what endpoint I use. I checked the debugger and every request has the same error:
Can someone please help me with this? Is there anything I'd need to configure, install etc? I use the VM from Turnkey (https://www.turnkeylinux.org/otrs).
This is the web service:
Thank you in advance!

connection refused for news.google.com when I try yo scrape it

I am trying to scrape the new.google.com and get some information, I have no issue locally but when I deploy to our Datacenter it fails with "connection refused" that means it is blocked.
Get https://news.google.com?ceid=en%3Agb&gl=en-gb&hl=en-gb&hs=en-gb&pz=1: dial tcp 172.217.5.206:443: connect: connection refused
Do we have any alternative of passing header and by-pass to get unblocked? or is using paid API is the only option if I have to use google for some of my testing?
Did anyone encounter and resolved it?
This is pretty common. Somebody else used the same IP address for scraping or even something worse :) so it's blocked.
You can use some proxy services. There are some with free tier so it will do the job for testing.
And before you ask... free proxy services are super slow and probably already blocked :)

Config restcomm ussd gateway

I install restcomm ussd gateway on my server but can not config it
I tried but did not work
I just want to send a real ussd push message to my phone number
How to config it?
Example
For anyone running into this, you might want to follow up on the discussion in the Restcomm Google Groups here, as this same question was posted there too.

CoovaChilli & FreeRadius: Apache server Authentication

What I'm using:
Ubiquiti AirRouter
CoovaChilli
AWS server with FreeRadius & Apache2
What I'm trying:
Set up a captive portal using the Ubiquiti AirRouter
Use CoovaChilli firmware to set up captive portal on Ubiquiti
Make the radius authentification with the FreeRadiusServer on AWS
Use apache2 server on AWS to create the web captive portal for the user to log in
I have the Ubiquiti AirRouter configured with the CoovaChilli firmware (no issues here). The AP generated by the router works as expected and when you try to see any page, you get redirected to the apache web server.
Where I'm stuck:
The communication between the captive portal and the router is my issue. I'm trying to use ChilliLibrary.js functions (ChilliJSON) to make the radius login but it seems I'm missing some configuration, the response I get when I'm trying to authenticate in the captive portal is:
GET http://127.0.0.1:1812/json/status?callback=chilliJSON.reply&0.2522223754785955net::ERR_CONNECTION_REFUSED
ChilliLibrary.js:531
I'm looking for information in CoovaChilli and Chilli documentation but cannot find anything helpfull here.
Anybody knows any good tutorial about this part of a captive portal ? The connection between the webserver and the router ?
Thanks in advance
GET http://127.0.0.1:1812/ and net::ERR_CONNECTION_REFUSED says it all.
Check that you have a service running on port 1812 of localhost with netstat -ntl | grep 1812 then double check your firewall is allowing traffic through port 1812.
This may be of some use if you have not come across it before.
https://help.ubuntu.com/community/WifiDocs/CoovaChilli