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Computer question...

Does this show that I have unwanted connections happening to my computer?

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Scott
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Old 12-16-2021, 05:17 PM
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No
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Old 12-16-2021, 05:41 PM
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^^^^ What he said....

Every page you visit could be dozens upon dozens (or even hundreds) of objects or IP connections... those are just one flavor .... TCP.
Old 12-16-2021, 05:49 PM
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THANK YOU!

Here's what is going on. We got a new printer. Canon TR8620. I was trying to download the driver's for it and got a 'Fatal Error' message. Chatted with help and they had a tech call on the phone. He tried to convince me that all those 'current connections' were 'bad guys' trying to do 'bad stuff'. I've finally got the printer working. User error on my part as my wife has two computers she uses and I was trying to get the one that didn't have the printer plugged into it to setup the printer. The one the printer is hooked up to isn't connected to the internet so even though I got the install exe file into it, it couldn't download the driver. Switched everything up and it now works.
Why's it gotta be so hard?
I know a lot of it has/had to do with my setup here for her two computers. Not sure how I'll get the printer working on the old 'isolated' computer now, but that'll be tomorrows problem.
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Old 12-16-2021, 06:20 PM
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Take any open page including this one.

Right click in a dead spot and look for then select Inspect.

Dev tools panel will pop up.

Along the top one of the tabs should be Network, select it.

Refresh the open page.

Every entry is a TCP request.

I get 86 for this page alone.

How many pages do you have open?
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Old 12-16-2021, 06:36 PM
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LOL, commented code for Pelican pages.

Commented code is there for developers. They are notes that don't render to the page but they help the devs know the reason things were done the way they were or why something is there.

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Last edited by stomachmonkey; 12-16-2021 at 06:45 PM..
Old 12-16-2021, 06:43 PM
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This is what I got when I right clicked without being logged in.
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Old 12-16-2021, 06:45 PM
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I see, I just did it again and it says 87 requests.
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Old 12-16-2021, 06:47 PM
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Quote:
Originally Posted by Scott Douglas View Post
I see, I just did it again and it says 87 requests.
So if you leave the page and inspector open, dont refresh, reply to this post you'll see the number go up.

Not sure what command you used to get the report but it's likely a running total and not necessarily a real time snapshot
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Old 12-16-2021, 06:54 PM
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netstat -s

for those who wanna play with their 'puter.
Old 12-16-2021, 10:06 PM
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Quote:
Originally Posted by pmax View Post
netstat -s

for those who wanna play with their 'puter.
Mine right now (Linux)

Tcp:
19317 active connection openings
0 passive connection openings
146 failed connection attempts
5993 connection resets received
18 connections established
5334102 segments received
3299000 segments sent out
5224 segments retransmitted
398 bad segments received
6248 resets sent
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Old 12-16-2021, 10:23 PM
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If yer having an issue with TCP connects you might just be short on sockets....

It will be the 10mm ones gone missing

I wuz a systems/network geek .... ancient history now.

T-Rex
Old 12-17-2021, 02:43 AM
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Quote:
Originally Posted by KC911 View Post
If yer having an issue with TCP connects you might just be short on sockets....

It will be the 10mm ones gone missing

I wuz a systems/network geek .... ancient history now.

T-Rex
A home user, behind NAT (supposedly) running out of ports to connect to/from? Certainly issues....

Here's what my connections look like with two browser tabs in Firefox open on Pelican and one in Chrome open on my work email. Note that Windows has a similar netstat command but I'm unsure as to options to show only IPv4/v6 stuff (no Unix sockets etc) and what process id they are associated with

Note that I've got a ssh server, web server, mysql server, print daemon and such listening but that is normal and they can only be connected to from the local machine.

Quote:
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 998/mariadbd
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 980/nginx: master p
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 918/sshd: /usr/sbin
tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN 276058/cupsd
tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 1713/exim4
tcp 0 0 127.0.0.1:4101 0.0.0.0:* LISTEN 655/brltty
tcp 0 0 192.168.2.167:57350 207.136.153.230:80 TIME_WAIT -
tcp 0 0 192.168.2.167:47170 13.249.109.53:443 TIME_WAIT -
tcp 0 0 192.168.2.167:57348 207.136.153.230:80 TIME_WAIT -
tcp 0 0 192.168.2.167:35634 13.249.105.5:80 TIME_WAIT -
tcp 0 0 192.168.2.167:55908 207.136.153.232:443 ESTABLISHED 282373/firefox-esr
tcp 0 0 192.168.2.167:51248 18.64.236.39:443 TIME_WAIT -
tcp 0 0 192.168.2.167:35636 13.249.105.5:80 TIME_WAIT -
tcp 0 0 192.168.2.167:60200 52.111.230.0:443 ESTABLISHED 281942/chrome --typ
tcp 0 0 192.168.2.167:38484 44.238.202.79:443 ESTABLISHED 282373/firefox-esr
tcp 0 0 192.168.2.167:35630 13.249.105.5:80 TIME_WAIT -
tcp 0 0 192.168.2.167:57354 207.136.153.230:80 TIME_WAIT -
tcp 0 0 192.168.2.167:37376 185.199.111.133:443 ESTABLISHED 281942/chrome --typ
tcp 0 0 192.168.2.167:57352 207.136.153.230:80 TIME_WAIT -
tcp 0 0 192.168.2.167:54024 207.136.153.230:443 ESTABLISHED 282373/firefox-esr
tcp 0 0 192.168.2.167:35632 13.249.105.5:80 TIME_WAIT -
tcp 0 0 192.168.2.167:32880 172.217.10.170:443 TIME_WAIT -
tcp 0 0 192.168.2.167:57346 207.136.153.230:80 TIME_WAIT -
tcp 0 0 192.168.2.167:48442 3.213.128.67:443 ESTABLISHED 281942/chrome --typ
tcp 0 0 192.168.2.167:43814 64.233.185.188:5228 ESTABLISHED 281942/chrome --typ
tcp 0 0 192.168.2.167:56578 52.109.4.14:443 ESTABLISHED 281942/chrome --typ
tcp 0 0 192.168.2.167:36178 18.64.236.72:443 TIME_WAIT -
tcp6 0 0 :::80 :::* LISTEN 980/nginx: master p
tcp6 0 0 :::22 :::* LISTEN 918/sshd: /usr/sbin
tcp6 0 0 ::1:631 :::* LISTEN 276058/cupsd
tcp6 0 0 :::1911 :::* LISTEN 887/java
tcp6 0 0 ::1:25 :::* LISTEN 1713/exim4
tcp6 0 0 ::1:4101 :::* LISTEN 655/brltty
Old 12-17-2021, 03:41 AM
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Quote:
Originally Posted by stomachmonkey View Post
So if you leave the page and inspector open, dont refresh, reply to this post you'll see the number go up.

Not sure what command you used to get the report but it's likely a running total and not necessarily a real time snapshot
Right, I'm fairly certain those are cumulative numbers except for the "current connections = 23"

These days, pretty much all PCs (Win, Mac, *nix) are going to have lots and lots of connections. THere are usually a slew background processes on and listening or probing your local network for things that they can talk to. I used to find the list of services that I could shutdown as it 1 makes your machine safer and 2 makes your machine cleaner/faster.
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Old 12-17-2021, 05:00 AM
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Not sure what NAT or ports have to do with missing 10mm socket jokes .... probably lack of Java .

Doubtful any of you geeks can even peek inside a TCP stack like I did for years... certainly not on "toy computers" that's for sure.....

idAts
Old 12-17-2021, 05:09 AM
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So last night I started to get worried when this guy I'd given remote permission to started talking about needing a 'level 4 or 5' technician to come and install something to figure it all out. This is what I saw when I finally called 'ENOUGH' and shut him down...
I think I know enough to know that installing a printer driver should not be that hard, especially when we had the previous generation of the same printer hooked up and running fine without any help needed.
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Old 12-17-2021, 06:06 AM
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Quote:
Originally Posted by Scott Douglas View Post
So last night I started to get worried when this guy I'd given remote permission to started talking about needing a 'level 4 or 5' technician to come and install something to figure it all out. This is what I saw when I finally called 'ENOUGH' and shut him down...
I think I know enough to know that installing a printer driver should not be that hard, especially when we had the previous generation of the same printer hooked up and running fine without any help needed.
Never give them remote access.

They poke around, find your porn stash, capture your browsing history, then blackmail you by threatening to send to your wife.
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Old 12-17-2021, 07:03 AM
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Quote:
Originally Posted by Scott Douglas View Post
So last night I started to get worried when this guy I'd given remote permission to started talking about needing a 'level 4 or 5' technician to come and install something to figure it all out. This is what I saw when I finally called 'ENOUGH' and shut him down...
I think I know enough to know that installing a printer driver should not be that hard, especially when we had the previous generation of the same printer hooked up and running fine without any help needed.
Yep, no remote access, to my PC, not gonna happen.

Are you serious, is that a real screencap? I don't think "install advance ip security" is going to do anything other than throw an error.
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Old 12-17-2021, 07:16 AM
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The way I check who is logged into my PC is to start "Task Manager" then click on "Users" and there should just be YOU. That tells you who is actually logged into your machine and you can look at what "Processes" are being run.

An even better way to see what is happening you can start your application for your router such as the ASUS RT-AC3200 I use down stream of my U-Verse box from AT&T. There should only be connections that you allow to connect such as a ROKU or Visio or a "smart TV set"
John
Old 12-17-2021, 08:57 AM
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Quote:
Originally Posted by masraum View Post
Yep, no remote access, to my PC, not gonna happen.

Are you serious, is that a real screencap? I don't think "install advance ip security" is going to do anything other than throw an error.
Yes, that is a picture of what was on the monitor while he was in there. I figured I might want some evidence if things go haywire in the future.

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Old 12-17-2021, 08:58 AM
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