Arch Linux

flatmoll

Guest

[SOLVED] Unexpected connections on Librewolf start

Warning: AUR software ahead.

Librewolf is a FF fork with Arkenfox configuration tweaks.
My laptop has doh-client which is set to Adguard, and Librewolf is also set to Adguard DOH.

Steps to reproduce:
Boot Arch, and get:

$ ss -tun
Netid     State     Recv-Q     Send-Q                  Local Address:Port               Peer Address:Port     
udp       ESTAB     0          0                192.168.1.105%wlp2s0:68                  192.168.1.1:67      // ISP

Then, open Librewolf window (just new tab blank page) and get:

Netid     State     Recv-Q     Send-Q                  Local Address:Port               Peer Address:Port     
udp       ESTAB     0          0                192.168.1.105%wlp2s0:68                  192.168.1.1:67       // ISP, fine
tcp       ESTAB     0          0                       192.168.1.105:54782             104.18.38.233:80       // Cloudflare, hm?
tcp       ESTAB     0          0                       192.168.1.105:56390              94.140.15.15:443      // Adguard DNS, fine
tcp       ESTAB     0          0                       192.168.1.105:46120             34.107.243.93:443      // Google, hm?
tcp       ESTAB     0          0                       192.168.1.105:46134             34.107.243.93:443      // Also Google
tcp       ESTAB     0          0                       192.168.1.105:32914           104.120.210.184:80       // Akamai, hm? (what is even this)
tcp       ESTAB     0          0                       192.168.1.105:54788             104.18.38.233:80       // Also Cloudflare

Please note that Akamai and Cloudflare don't even care about encryption and connect through port 80.

Expected connections:
ISP
Adguard
Mozilla (for extensions update)

While I am sure that my new tab has nothing to do with all these Google/Cloudflare/Akamai connections, am I missing something?
If this is my ISP, why this happens only in Librewolf?
Is GNU Icecat better with this?

Edit: if you think I'm using wrong software, please go ahead and tell me. I'm not going to defend programs I'm used to.

Last edited by flatmoll (2024-09-23 02:04:41)

seth

Member

Registered: 2012-09-03

Posts: 60,783

Re: [SOLVED] Unexpected connections on Librewolf start

"ss -tunp" will show the process and the web browsers have web-inspectors that can show you the connections and ultimately, there's always wireshark

google and cloudflare are cloud hosts, that could be any domain and akamai is a global CDN and

Mozilla (for extensions update)

is a hugely likely contender here.
Tried to open LW in safe/troubleshoot-mode?

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flatmoll

Guest

Re: [SOLVED] Unexpected connections on Librewolf start

is a hugely likely contender here.

Confirmed.
And HTTP calls serve the "Detect Network Connectivity" feature.
No privacy concern, marking as solved.

Last edited by flatmoll (2024-09-23 02:04:24)