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Questions tagged [networking]

Generic network issues. Before using this tag, check if there's a closer fit (see tag wiki).

-1
votes
1answer
14 views

Hosts doesn't work

So i play a game that uses a server to detect emulator users. Is there anyway to prevent other emulator users from being in my online game ? The problem is that other emulator users usually use ...
0
votes
0answers
16 views

Is there a way to create a history of TCP/UDP sockets opened in android?

Is there a log with this info? I know proc shows the ones opened at the moment but I need to see the ones that are already close
0
votes
0answers
22 views

Spoof mac address for specific network only

Is there any way to spoof my device's mac address only for network with SSID "x", but not for other networks? I am aware of other questions like this How to change the (permanent) MAC address on my ...
0
votes
0answers
12 views

How to Fix Samsung Galaxy S8 Not Registered on Network Error?

I have Samsung Galaxy S8, recently when I am trying to make a call to my friend I am getting the error pop-up like Not Registered on Network Error. Af first I thought this error is all because of the ...
0
votes
1answer
51 views

Is it possible to install “iproute2” on Android?

I tried to use git clone in googlesource's page but it didn't do much. I want to use the ss command from the package but I don't know how to install it. My phone is ARM 32-bit.
0
votes
0answers
23 views

Managing /data/system/netpolicy.xml: what do these policies mean?

Seems like it wasn't clever of me to restore Data (policy/stats) with Titanium Backup. It has all that apps' unique UIDs from my previous system (actually, the same phone, but wiped and flashed) and ...
0
votes
0answers
21 views

How to restrict new apps using network data by default?

Is it possible without third-party apps, through system configs? All news apps have the right to use both cellular and WLAN networks and doesn't look secure to me. Doing it manually isn't fun. Thanks....
1
vote
0answers
48 views

Nokia 7.1 / Android 9 can't connect to specific local IP

My setup Raspberry Pi running Pi-Hole on static IP 192.168.0.2 TP-Link Archer C7 router IP - 192.168.0.1 2.4GHz and 5GHz bands using same SSID DHCP setup Default gateway - 192.168.0.1 DHCP range ...
0
votes
0answers
22 views

What happens under the hood when a network request is made by an application

I'm interested in knowing what happens at the kernel level when an application makes a network request. While playing with strace I was hoping to find system calls like connect() to make a connection ...
0
votes
0answers
11 views

My phone won't send icmp/ping unless wifi connected. can this be fixed?

I have local terminal access and ping command works when wifi connected, but not when connected via cellular svc. I get same results using ping within other apps. Can this be "fixed?" Phone is ...
1
vote
1answer
63 views

How to block network traffic going to a specific remote port?

Is there a way I could block a specific network port connection for a specific app in Android? My phone is rooted. I know iptables -I OUTPUT -p tcp --dport xx -j DROP but this blocks those ports for ...
0
votes
0answers
16 views

DNS issue with OnePlus

I have installed Lineage OS 16 (android pie) for my oneplus one (although this issue existed in android Oreo as well). I am having a very interesting/weird issue with my phone that might be related ...
0
votes
0answers
28 views

Samsung Galaxy S5 upgraded Chrome version from 55 to 73. adb logcat not tracking network calls

I am developing automation test suite for monitoring Chrome browsers network calls on Android mobile device. My code was working fine with Chrome v72. After upgrading Chrome version to 73. My code is ...
1
vote
1answer
120 views

How to block TCP connections?

I have an app, a replica of a shooter game in Android. It is just for experimental use only, me and my friends are testing it. I need to block all TCP connections so I can test my security. But its ...
0
votes
0answers
51 views

Need help in connecting my Samsung mobile

I use [TP-link Archer AC1200] as my primary router (according to my phone, I think my router’s IP address = 192.168.0.1) with SSID-1. Connected to it is the [TOTOLINK A2004NS] (whose LAN IP = 192.168....
2
votes
0answers
37 views

By looking at an Android source code, determine packets sent out protocol

is there a way by looking at the android application source code, or manifest file, I can determine what is the network protocol support for that particular application? or is it more of whether the ...
0
votes
0answers
29 views

“The connection was interrupted” in wifi

I have a Galaxy tablet with Android. When I connect to wifi, I see that it is connected: However, whenever I connect to a website, I see an error message saying that "the connection was interrupted": ...
0
votes
0answers
95 views

Use 4G while being connected to a WiFi direct printer

Is it possible to use 4G for internet while being connected to a wireless printer with WiFi direct? If not, are there any alternatives to use both, the printer as well as the internet, simultaneously ...
0
votes
0answers
30 views

Adblock Plus on Android - mobile internet proxy?

I have installed AdBlock Plus for Android on my not-rooted phone. On play.google.com, there are only castrated browser-addons, so I've been installing it from apkhere. I've changed the network ...
1
vote
0answers
51 views

Phone send MANY packages

I'm desperate here. Earlier, I accessed my modem to check out the IPs in my network. The network was configured with DHCP (with a considerable time to expire), and I didn't recognize 3 or 4 IPs: most ...
0
votes
0answers
19 views

When does DNS cache is created and deleted per interface in android

I was looking into the code in res_cache.c in android aosp. It has an cache implementation for DNS entries per each netid. I am just curious to know when that cache will be created (like the interface ...
0
votes
0answers
8 views

Specify the Samsung Galaxy S5's 3g frequency band

I'm using a Samsung Galaxy S5-G900I (the Asia-Pacific version) bought in Taiwan to access the Wind network in Italy. The phone can use the 3g network in Taiwan, but in Italy it can't establish a ...
0
votes
0answers
32 views

Firefox proxy setup?

I want to configure autoproxy for specific WiFi hotspots to use with Firefox. The autoproxy prop in about:config is global, but otherwise, apparently, Firefox doesn't use system WiFi settings (because ...
0
votes
1answer
717 views

Network Selection disabled by WiFi Manager & Wi-Fi keeps disconnecting

Android 7.1.2 drops WiFi connection. Wi-Fi verbose log says: (network_selection_permamently_disabled) network_selection_disabled_by_wifi_manager
0
votes
0answers
31 views

lan printer not fround from wifi (kyocera from android)

I have a new budget Kyocera network printer (FS-1061 DN). It has no wifi, but a standard LAN cable is plugged in. I installed the driver on my windows 7 machine, also connected via LAN, and printing ...
1
vote
0answers
318 views

Android phone fails to communicate using IPv6

I observe the following problem with my Android phone (Sony Xperia XZ, Andoid Oreo 8.0.0) Though the phone seems to have a correct set of IPV6 addresses it fails to communicate when I use IPV6. the ...
0
votes
0answers
406 views

How to receive and configure internet settings from network provider in Nokia 3.1 Plus?

I bought a new phone Nokia 3.1 plus. I contacted my service provider for internet settings, which they say repeatedly that they had sent, but only a message came to make a new APN account which I did. ...
3
votes
0answers
54 views

Which process is preventing me using Wifi?

I have a TV box provided by ISP (also TV channels provider), which has Android 4.4.4 Linux kernel 3.10.23. (I have root already) It uses PPPoE to get a network so can receive TV stream, but this ...
0
votes
0answers
849 views

How to use ethernet to access internet in Phoenix OS?

I'm using broadband (ethernet to my laptop; no router). In Windows, I've to use dial-up and give my username & password to connect. But I don't see such an option in Phoenix OS. Is there any way ...
1
vote
1answer
77 views

Restricting an app to only send internet traffic but not receive that back?

Is there a way or app to restrict some apps on my Android, or the whole device, to only send internet data packets but not receive them back? I want to confuse a game app by doing this. It restricts ...
0
votes
0answers
259 views

Android TV: Device connected via ethernet, but no internet connection. Yet YouTube, Netflix, Amazon Prime work perfectly. Other apps do not work

I have a weird networking issue for the Nvidia Shield Android TV device. I have it plugged in via ethernet and it gives me a message saying that ethernet is not connected. I open CrunchyRoll, PlutoTV,...
1
vote
0answers
82 views

Connected to Turbo VPN - 10.13.0.42/30. Tap to manage the network

When I use a VPN app on my smartphone, the following notification message is shown Connected to Turbo VPN - 10.13.0.42/30. Tap to manage the network Why is it connected to 10.*.*.*? Isn't it a ...
2
votes
1answer
1k views

How to connect to Android through SSH over 3G/4G public IP?

I am having an Android device and I want to connect in via 3G/4G and I am getting connection refused. Any ideas how to do that?
2
votes
2answers
993 views

View network traffic requested by app

There are lots of discussion on how to see which app is requesting network connection. I have tried the following apps tcapturepacket wifi monitor connection tracker However, none of them was useful....
0
votes
0answers
74 views

Android JuiceSSH endless prompt to enter Interactive Aunthentication password

I am new to network stuff. Normally I connect to the internet provided by the student dormitory using the login client that they provide. But it is inconvenient as I always have to switch on my ...
1
vote
1answer
392 views

How to spawn “sign-in to network” page for a captive portal?

How do I execute captive portal? On a Z828 from ZTE, Android version 5.1.1, I'm trying to get something like: While Starbucks generally works for me, all too often, other networks, when using public ...
2
votes
0answers
293 views

Android wifi (oreo) dropping. Because of pihole?

First of all, my apologies if I'm posting in the wrong forum. I'm a bit lost in the SE galaxy. But since my issue is quite complex and specific, I feel this is the best place. Let me know if I'm wrong....
1
vote
2answers
224 views

What values to set in Static IP Settings of Wi-Fi when changing DNS?

I have nearly the same problem as Set Open DNS in Android 5.0.1 and the answer helped me. Although I just want to change the DNS for blocking porn, what values for the following fields should I enter?...
1
vote
1answer
282 views

Wifi status 'Connected, no internet'. Can access all internet resources I've tested

Related question I've put a new router into the office to run our 'guest' wireless network. It's a FRITZ!box 3490. Android devices connected via both 2.4 and 5G are showing as 'connected, no ...
-1
votes
1answer
49 views

A way of doing secure data exchange in Android?

To my knowledge, all current Android apps with internet permission enabled are prone to apps stealing data. For example, if you have a messaging app, all your messages are readable by the company ...
2
votes
0answers
39 views

How can I troubleshoot a very slow initial connection when web browsing on WiFi?

This has been bugging me for quite some time. When connected to my home WiFi, web connections take a long time to initially establish (like ~10 seconds+) on two separate Android phones (OnePlus 3, ...
1
vote
1answer
80 views

Android still uses old ip when resolving hostname

I have a weird problem here. I use ftp to exchange files between my smartphone (Xperia Z5 compact) and my pc. A while back the pc had a static ip address but now it's assigned one via dhcp. When I ...
0
votes
1answer
58 views

Toast message: Failed to init Google DNS, switch to host IP method

Recently, after unlocking my phone screen (Samsung J7 Pro - J730, stock ROM, Android 7 Nougat), I usually receive a toast notification saying: "Failed to init Google DNS, switch to host IP method". I ...
0
votes
0answers
43 views

How is the GSM Call Flow implemented and when is the microphone opened?

Is it possible to know how is the GSM call flow implemented on Android? I will like to know concretely when its the microphone opened.
1
vote
0answers
22 views

Unable to connect to Raspberry Pi3 by hostname from Android VNC Viewer [duplicate]

I installed VNC Viewer on my Ubuntu from here. Then, I could connect to my Raspberry PI by both hostname and IP address. However, I can't do the same from my Samsung Note 8 I can't connect by hostname ...
0
votes
0answers
1k views

How can I Disable Background Data Usage for 'Android OS'?

I recently rooted my phone so that I could use AFWALL+ to disable Background & Foreground Data Usage for everything except the Browser, and it is working fine for all apps except for a package ...
2
votes
1answer
320 views

ping <ip> fails, but ping -I eth5 <ip> works in Android shell

I am trying to enable Ethernet on my Android-7.1.2. Now, it can acquire ip address from DHCP server. ifconfig shows that the Ethernet port can receive lots of packets, but just sends a few out, as ...
1
vote
0answers
39 views

How can I continuously measure mobile network coverage on a particular journey?

Every day I spend almost 2 hours on a train to my job and back. My current cellular provider gives me a terrible service most of the time within the train. I'd like to buy/borrow SIM cards of all ...
1
vote
0answers
33 views

How to add a Brother printer manually?

I switched printers (from Samsung to Brother), both are WiFi enabled and connected to a network 10.0.0.0/24. My Android phone (Samsung 9+) is on another network within the same LAN (10.1.0.0/24). It ...
1
vote
0answers
4k views

Setting static ip for Android hotspot

I'm connecting to my Android's hotspot. I see that the IP is 192.168.43.0/24, so any ip in 192.168.43.X would be reserved for Android's DHCP server. But I need the machine that connects to Android's ...