Questions tagged [networking]

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

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An app (for Android) that can scan for different mobile network services in the area? [closed]

Is there an Android app that would scan the *area* for available networks (i.e. Vodafone, GiffGaff, BT etc) so that I can determine which sim to buy for a remote area. Thanks.
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1answer
30 views

Does TubeMate use some peer-to-peer network?

I was using TubeMate to download my first video with TubeMate, and I got banned from the Wi-Fi network I was using: Online activity through a browser or application has been flagged as malicious or ...
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1answer
34 views

Phone's download speed doesn't go over 10 Mbps(1.2 MBps)

I have an ASUS Zenfone Max Pro M1(X00_TD). Lately, I have noticed that my phone's downloading or uploading speeds don't go over 10 to 15 Mbps. It has a 2.4 G wifi and easily used to give me 40-60 Mbps ...
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63 views

How to Block an IP Address on Android

There's an IP address keeping ICMP my network every minute. I've already blocked the IP on my router, I'd like to know how to configure traffic control on Android if possible. Please tell me if there'...
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25 views

Mobile hotspot with outbound firewall

Goal: A mobile hotspot that limits outbound connections to an approved set of domains or IPs. OK to connect to twitter.com, but reject facebook.com. Etc. Idea: Use an Android phone (as a hotspot), ...
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1answer
30 views

Do Android permissions allow listeners on ports >1024 without special root permissions (only standard in-app permissions)

I'm not an Android developer, I am a developer in many other contexts. I have a simple question that I don't see an answer to on Google: Can a standard android application (no rooting required) listen ...
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33 views

bluestacks and lan (local network)

I have application that can control my TV. It needs access to local network to work. How can I make bluestack see devices in my local network ? Best regards.
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1answer
52 views

My Xiaomi Android smartphone suddenly doesn't see my WiFi's SSID in the WiFi connection list

I've had an internet outage and afterwards my Android 9 Xiaomi smartphone did not see my SSID at all in the system WiFi list and in the WiFi Analyzer app. My phone only supports 2.4 GHz WiFi, whereas ...
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19 views

Android localhost to hotspot wlan0 UDP port not accesible

I have a drone remote that has android in it. It has an internal telemetry server that is publishing data on localhost:14445 via UDP. When I open the hotspot from this device and connect to it with my ...
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18 views

Android TV Box Gigabits Connection

Is there any android apk app which is able to display a LAN network connection speed such as 100Mbps or 1Gbps. If this is not possible, is there any app that is able to display the network chipset ...
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1answer
90 views

Where is the WiFi MAC randomization data stored?

In the newer Androids there's a feature called WiFi MAC Randomization. In its basic form, the mechanism calculates the random MAC for a given ESSID. Each time you connect to the same WiFi, Android ...
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Cannot bind to Cell Network Interface example with curl

I am trying to use the Mobile Network interface rmnet_data0 while Wi-Fi wlan0 is enabled. You can read my progress with the developer JsBergbau of BindToInterface at this link https://github.com/...
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38 views

How to find unknown IP address on Android

I believe I have a sort of unique question in how would I determine an unknown IP address through an Android device which is connected directly to a IP enabled piece of hardware via USB-C to Ethernet ...
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25 views

Using different port for IKE2 VPN on Android

My question is fairly simple: I would like to create an IKE2 VPN commection on stock Android11 but I don't want to use the default 500 or 4500 ports. How can I do that? I tried applying a colon then ...
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1answer
145 views

How to exclude a specific destination IP from VPN?

I want to route a specific IP address from hotspot (wlan0) to Mobile Data (rmnet_data1) interface on Android 11, bypassing VPN. I use my phone as a hotspot and also with the help of an app called &...
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56 views

Why does blocking of incomming connections via AFWall cut off the network connection?

There are couple of Android firewall apps in the wild, for instance AFWall. It manages iptables rules. Usually for client devices, admins set the default policy for the INPUT chain to block, but when ...
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55 views

How do rndis0 and eth0 interfaces get set up?

In a normal installation, looking at ifconfig (or ip) in adb shell, there are no rndis0 or eth0 interfaces set up. Once USB tethering or ethernet tethering is enabled, they show up. With my GNU/Linux ...
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25 views

WIFI ON but Play fails "No internet connection. Make sure WiFi ..."

Recently i decided to check for app updates and Play refuses to work and popup the error "No internet connection. Make sure WiFi or mobile data is turned on." However WIFI is enabled and ...
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63 views

Why 'ping localhost' command in Termux returns a normal response even though there is no local web server?

I just tried 'ping localhost'command in Termux and response was positive. How this is possible since I don't have a local web server running.
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30 views

Intercept packet data

Is it possible to create a service that is able to intercept and modify incoming and outgoing data packets from Android before further processing? Does Android have a port system for data entry and ...
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34 views

USB networking setup between Android and embedded Linux

Cross posting this question that I also asked on ServerFault: I'm working on a project right now where we have an embedded Linux system running some sensor/motor control functionality, and we're ...
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181 views

Android wifi tethering (hotspot) DNS server (dnsmasq) returns 127.0.0.1 for some domains

My laptop connects to the internet through Android wifi tethering (hotspot). Some websites cannot be connected because my Android DNS server returns 127.0.0.1. I can browse the sites on my Android ...
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1answer
113 views

Generic approach to get Ethernet working on android

Is there a generalised approach to getting Ethernet cable networking to work on (preferably) recent Android versions with minimum fiddling? I've looked at other similar questions but they focus on pre-...
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40 views

Binding to a specific interface in adb port forwarding

When running adb forward tcp:8080 tcp:8080, the port forward listens on localhost. Is it possible to make it listen on a specific interface?
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33 views

How to activate band aggregation all thee time when available (4G+ at all times)?

The 4g+ network only activates when network is under big load. I'd like to have 4g+ activated as soon as it is available and as long as it is available. Does anybody know where I can change the ...
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48 views

Is there an option to block local network access for apps?

I'm trying to prevent apps from accessing other devices on the same network (LAN). Something similar to this iOS setting. Some searching led me to this feature in Express VPN. Is there a way to do ...
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39 views

Share internet through otg-ethernet from terminal

I know other threads already exist but none of them answer this specifically. My OTG ethernet cable works only when used as a client, i.e. when a DHCP server is recognized. I want to be able to share ...
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25 views

Android devices not finding some devices on my network

Some devices that I know to be on my network and working correctly I cannot find using my Android devices. My desktop PC and laptop have no issues and if I navigate to my router interface everything ...
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45 views

How google home app works?

I am developing a new iot project to monitor air quality in the environment. the device, ESP8266, needs a wi-fi connection, which we usually put fixed in the code that the microcontroller will run, ...
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64 views

How to allow other devices to resolve android hostname from ip?

i have played around setting up hostname for the device, so i tried to modify net.hostname setting inside /system/build.prop file but even after device restart it gave me "android-...
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46 views

Can I bring android usb tethering network together with the wifi that android is connected to?

Since my computer does not have a built in wireless adapter and most market wireless adapters are horrible, I am using an android USB tethering feature to give my computer connection, while the ...
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132 views

Set android as internet gateway to local router (Not mobile hotspot)

Background I have a local network and I want to have my mobile serve as an internet gateway when entering the network. What I'm asking is asked here, here and here. An advanced version has also been ...
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1answer
37 views

Internet access via wi-fi is ok, but just not financial apps

I have hit the same problem with a couple of apps on an Android phone. The phone has no issue with Internet access using wi-fi. Web browsing and other apps run ok. However, two apps hit connectivity ...
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18 views

USB ethernet goes to sleep, has to be reconnected to restore

I have an old Nexus 7 tablet running LineageOS that still works but has poor battery life. I've set it up in a fixed location with AC power instead. Its location has poor wifi so I've added a UGreen ...
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25 views

Connect PC with USB modem to device on WiFi hotspot

I am trying to connect my Oculus Quest 2, which is connected to my phone's WiFi hotspot, to a PC, which is connected to the same phone using USB tethering (USB modem). What I found out was that they ...
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59 views

Chromecast from USB Tethering

I have a Windows desktop PC which gets internet from my Android via USB tethering, and the Android is connected to the same network as my Chromecast. I can successfully cast from my android, but not ...
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83 views

Enabling/disabling Ethernet interface via shell without root?

I am trying to create a shell script for enabling/disabling Ethernet interface on my unrooted Android 8.0 Set-Top Box. The box is connected both via Ethernet and Wifi - Ethernet has only IPTV vlan ...
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30 views

How to troubleshoot DNS not resolved issues?

I can't open Hotstar/Disney+ on my Android phone/ Android TV. Upon investigation, I found out that the webpage hotstar.com is not opening in general on my phone/TV and is throwing an "err::NAME ...
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2answers
181 views

Why does android make hotspots with a different subnet mask that a regular home router?

For example we typically get 192.168.1.XXX addresses from a home router, but an android phone gives out addresses on another 192.XXX which makes it problematic for connecting devices with each other ...
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42 views

Wifi Hotspot - Getting 504 Timeout (and CORS) when cache is not disabled

I have an android phone that I'm using for wifi hotspot to which I connect my laptop to. There is generally no problem with it however sometimes content just doesn't load. I tried checking the Network ...
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79 views

Why do LTE Network Interfaces Change Names?

You may have seen my earlier question here detailing my struggles with multiplexing LTE and WiFi on a rooted Android device. Much of this stems from an issue I seem to run into with the LTE network ...
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0answers
49 views

(ROOTED PHONE) Using WiFi and LTE Simultaneously

I have a rooted Google Pixel 4a and an IoT device which I connect to over WiFi. This WiFi network does not have internet connectivity and simply serves as a way to control the IoT device. I have a ...
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148 views

SMB/CIFS URL not working in Android browser. How to open SMB shared files and folders in Android browser

I'm sharing some folders and files from windows in my LAN. I can access the files using ES-explorer and X-plorer apps. What I want is to open the folder in browser using URL. All laptop browsers can ...
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50 views

My Android Client can't connect to OpenBSD VPN Server

I am configuring a point-to-site VPN (IKEv2)by using an OpenBSD IKEv2 server and an Android client. I have tried to follow the instructions given in the following link : http://www.openbsd.org/faq/...
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194 views

USB tethered device constantly changing public IP address

I recently switched from iPhone to Android (Galaxy S10e), and use the phone hotspot as my primary internet. I connect the phone to a gli-net mini router (https://www.gl-inet.com/products/gl-ar750s/) ...
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38 views

Does using an OpenVPN in conjunction with XprivacyLua %100 prevent an app from knowing anything about the Wi-Fi I'm connected to?

Let's say I don't want an app to know the network I'm connected to, would using an OpenVPN app and restricting everything for the app on XprivacyLua be as good as using a different Wi-Fi connection ...
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0answers
38 views

Get an actual detailed data and specs about current established Wifi link and agreed CAPABs with AP/Sation?

I thought getting this info would be as easy as running old good iw with root but to my surprise it turns out even here Android manages to screw you and your expectations yet again. I've asked around ...
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2answers
1k views

How can I permanently assign a static IP address to Wi-Fi clients? (Lineage OS 17.1 Android 10)

My phone Moto X 4 has LineageOS 17.1 installed and is rooted with magisk. I use the phone's hot spot as main mean to connect to the internet. In this scenario the android device acts as DHCP server, ...
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469 views

How to use Socks4 proxy on Android 10 without rooting your device?

I have a Socks4 proxy and I need to configure it in my mobile so that all traffic of the apps goes through that proxy. How can I configure Socks4 proxy without rooting the mobile ? I have seen '...
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36 views

How to forward portsbon a USB tethered connection?

I'm using a USB tethered connection from my phone to my PC, I'd like to know if there's any way I can forward ports through this tethered connection, so that I'm able to play games that uses peer-to-...

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