Advice Request Lingering TCP connection?

[simmerskool]

using chrome this morning thru my usual (& safe) vpn connection connected to my bank. I was also running crowdinspect in the background. When I was finished with bank, I closed the tab, opened a new tab to a blank page so I was expecting to see no connections. crowdinspect continued to show that I had 1 TCP "established" connection to my bank. I thought that was odd or a mistake in crowdinspect so I opened tcpview and it showed the same "established" connection. I had to completely closed chrome to break this ongoing established connection. Is this normal condition with chrome or all browsers. You think you closed the last connection, but it's still "established." I thought I was careful in that I had only the bank page open, I exited the bank, then closed its tab, went to a new tab, and then refreshed the blank tab, thinking that would flush everything, but that was not the case.

 

[Sunshine-boy]

I think you need to disable backgroundSync: chrome://settings/content/backgroundSync

 

[ForgottenSeer 58943]

These are TCP sessions that haven't expired and chrome has a LONG expiration date, sometimes an hour depending. Also, some sites keep the session open by sending bits of background data. Chrome has a couple of settings you should examine;

(Chrome Settings->Advanced->Content->Background Sync)
Do not allow recently closed sites to finish sending and receiving data (toggle this on)

Also, unpin your chrome icon from taskbar, right click the icon on desktop, select properties, then append the following commands to the properties;

--disable-background-networking --disable-component-extensions-with-background-pages --dns-prefetch-disable --no-pings --disable-logging

So it may look like this;
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-extensions-with-background-pages --dns-prefetch-disable --no-pings --disable-logging

Re-pin the chrome icon to your taskbar. Now you should NOT see sessions being left open, especially not for hours, like before.

 

[Sunshine-boy]

ForgottenSeer 58943 do you know what --enable-potentially-annoying-security-features command is?

 

[ForgottenSeer 58943]

ForgottenSeer 58943 do you know what --enable-potentially-annoying-security-features command is?

It makes chrome like Webroot. Annoying.

No.. In all seriousness, I think it's a global command line to enable some of the other chrome://flag features in bulk.

 

[ForgottenSeer 69673]

do you know what --enable-potentially-annoying-security-features command is?

"
The first basically means that any interaction with non secure websites (HTTP, without the padlock) from secure websites (HTTPS, with a padlock) will be blocked.
Examples –
– A secure website shows images from an insecure website – the images will not be shown.
– A secure website submits a form to an insecure website – the form will not be submitted.
And so on.

The second means that powerful web platform features will only be available to secure websites (the user must permit them, of course).
Examples –
– Geolocation (getting your precise location).
– GetUserMedia (camera or microphone access)."

 

[Sunshine-boy]

like Webroot.

Lol!

Examples –
– A secure website shows images from an insecure website – the images will not be shown.
– A secure website submits a form to an insecure website – the form will not be submitted.
And so on.

Many thanks!
Btw The beta version of chrome has a new flag call GPU AppContainer Lockdown.i enabled it.

 

[simmerskool]

I think you need to disable backgroundSync: chrome://settings/content/backgroundSync

I think you are correct, my bad, the backgroundsync was enabled, and now I have disabled it thankyou_thankyou!!

 

[simmerskool]

These are TCP sessions that haven't expired and chrome has a LONG expiration date, sometimes an hour depending. Also, some sites keep the session open by sending bits of background data. Chrome has a couple of settings you should examine;

(Chrome Settings->Advanced->Content->Background Sync)
Do not allow recently closed sites to finish sending and receiving data (toggle this on)

Also, unpin your chrome icon from taskbar, right click the icon on desktop, select properties, then append the following commands to the properties;

--disable-background-networking --disable-component-extensions-with-background-pages --dns-prefetch-disable --no-pings --disable-logging

So it may look like this;
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-extensions-with-background-pages --dns-prefetch-disable --no-pings --disable-logging

Re-pin the chrome icon to your taskbar. Now you should NOT see sessions being left open, especially not for hours, like before.

will do! thanks!

 

[simmerskool]

These are TCP sessions that haven't expired and chrome has a LONG expiration date, sometimes an hour depending. Also, some sites keep the session open by sending bits of background data. Chrome has a couple of settings you should examine;

(Chrome Settings->Advanced->Content->Background Sync)
Do not allow recently closed sites to finish sending and receiving data (toggle this on)

Also, unpin your chrome icon from taskbar, right click the icon on desktop, select properties, then append the following commands to the properties;

--disable-background-networking --disable-component-extensions-with-background-pages --dns-prefetch-disable --no-pings --disable-logging

So it may look like this;
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-extensions-with-background-pages --dns-prefetch-disable --no-pings --disable-logging

Re-pin the chrome icon to your taskbar. Now you should NOT see sessions being left open, especially not for hours, like before.

lingering... still, but I have no patience to wait for an hour but did as you both suggest disabled backgroundsync and appended the commands to chrome icon:
opened chrome, went to bank as before, closed bank, TCP with bank remained "established" for at least 5 mins. I find this "annoying" (you're not paranoid if you are being watched) After 5 min I closed chrome. I guess from NOW on, I'll be closing chrome after visiting certain sites. But do appreciate your feedback, I'm sure things are better having done as you suggest.