no internet connection or temporary blocked error SQLi-DB - security

I recently installed SQLi-DB and I am still learning about it. When I try to scan something an error which looks like this "[ERROR] NO INTERNET CONNECTION OR TEMPORARY BLOCKED" pops up, do anybody know how to solve it or what should I do?

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MongoNetworkError: failed to connect to server [mongo-server:27017] on first connect [MongoNetworkTimeoutError: connection timed out

I am trying to run the backend of my project using docker but I'm getting this weird mongo network error and I just can't figure out why I'm getting this error. When I use the command docker-compose up, it gives me this error and because of that I can't even test localhost:3001.
Please help me solve this error. I can provide additional details if needed. I also looked at questions asked previously and tried all those solutions but nothing seems to help.
Here's my docker-compose.yml file. I've removed some important details but you can assume they are all there.

Firefox can't establish connection - websocket and heroku

I have problem with websocket connection on heroku.
Not sure where is the problem, because on other browsers it works.
A similar issue was here:
Firefox Websocket security issue
If I understand correctly:
Something related to Heroku and backend is missing regards to security. Only Firefox care about this issue, other browsers not. Probably I can somehow ignore this error on firefox and allow a connection.
Below is the screenshot The connection used to fetch this resource was not secure - what exactly does it mean and how debug what and where is missing here?
After research, the reason for it was proxy on Firefox.
If someone would have a similar issue, please do:
Open the Firefox
Go to about:preferences
Open Network Settings
Configure Proxy Access to the Internet and be sure there is "No proxy"

Why am I getting SSL_read errors and Rpc_client_frag_read errors when trying to Remote Desktop

I'm trying to set up a remote desktop session for monitoring specific systems at my place of work. I only have access to a Linux machine and I need to connect via a terminal server gateway. I am using FreeRDP to do this and i am using the following command to create the connection:
xfreerdp /d:** /u:***** /p:******* /g:******.************.***
/v:****.*********.***** /port:3389 /size:1920x1080
I have hidden all connection details per my supervisors request however both he and I verified the correct information is entered into the fields.
When I send the connection through I get the following error:
Connected to ******.************.***:443
Connected to ******.************.***:443
TS Gateway Connection Success
Got stub length 4 with flags 3 and called 7
Got stub length 4 with flags 3 and called 6
SSL_read: I/O error: connection reset by peer (104)
Rpc_client_frag_read: error reading header
Would anyone have any idea of what I might be missing? I have even tried adding
/sec:rdp
to the script and even that produced the same error
Try rdp from a Windows system (or have someone else try from their system, since you don't have direct access to Windows). I know it won't solve your problem, but it may give you better information. I'm in a similar situation and got the same error message. I tried remmina instead of xfreerdp and got even less information than xfreerdp spits out.
From a Windows VM, at least I could tell when I got my domain\username & password right -- it told me my account was not allowed rdp access to that server. I'm figuring that means that there are accounts that can rdp in, but mine is not among them. Along the way, though, I found that the remote was using a certificate from an untrusted authority, which was useful information for my case.
If your Linux is old or hasn't been updated, do so. Your certificate store may be out of date. But it may also be that your company's Windows domain has certificates that Linux doesn't know about. It could be a simple matter that you're lacking the company-supplied cert (because they push it to all Windows machines on the domain, but your Linux machine doesn't get that "benefit").

NGINX | recv() failed (104: Connection reset by peer) while reading response header from upstream

I have been getting this error message and have tried almost everything i found on internet that says to fix this issue, but I've had no sucess :(
recv() failed (104: Connection reset by peer) while reading response header from upstream
I am using WordPress on a VPS, with 8-10 domains on the same WordPress install. For all the other sites I've seen no problem but for the master site of WordPress install whenever i goto any page, I get 502 Bad Gateway
None of my pages are working. From what i can see whenever any page on site is opened then PHP-FPM crashes with below error:
child 991195 exited on signal 11 (SIGSEGV) after 18.490300 seconds from start
and this thing keep on happening every time page is opened on this site.
Please help me with a full proof way of identifying the root cause with this issue and on how to fix this.
Many Thanks for your help.

How to tell on Linux (Lucid) if a connection is coming into the server?

So I have an issue where I am remotely connecting to a Mongodb on my linode box, and I am not longer able to access this DB. I can from my local machine, but when I am on this remote server (where the website runs) it is not working. I am not seeing the connection come into the Mongo logs, so this leads me to believe that maybe it is being intercepted by a firewall?
How can I watch traffic and see if this connection is at least making it to my linode box? I am connecting with Mongoid, so if there is a way to prove no connection there too.
Right now the only error I get is a erb view timeout execution error - not much to go on.
Thanks,
Daniel

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