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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
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0answers
16 views

Phone send MANY packages

I'm desperate here. Early, I have accessed my modem to check out the IPs in my network. The network was configured with DHCP (with 24h to expire), and I didn't recognize 3 or 4 of IPs: most of it ...
0
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0answers
12 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
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0answers
5 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
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0answers
22 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 ...
1
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0answers
47 views

Reroute or blocking ip addresse

There is an IP that connects to my phone (Galaxy note 5 running android 7.0) and collects too much data i don't like it but blocking it with host or router doesn't work. I need to block or at least ...
0
votes
1answer
68 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
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0answers
14 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 ...
0
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0answers
70 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
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0answers
21 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
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0answers
46 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
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0answers
293 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 ...
0
votes
1answer
48 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
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0answers
91 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
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0answers
53 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 ...
1
vote
1answer
156 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?
1
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2answers
253 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
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0answers
47 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
131 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 ...
1
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0answers
181 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
127 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
157 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
46 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
36 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
53 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
49 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
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0answers
515 views

Play Store on Oreo cant download apps when VPN turned on

We have an issue where Android Oreo (v8.0) cannot download apps from the Play store when a VPN is turned on. This also happens to affect the Airwatch MDM agent in the same way as well. Devices - ...
0
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0answers
40 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
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0answers
21 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
671 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
251 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
38 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
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0answers
28 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
2k 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 ...
0
votes
0answers
62 views

How to access the smart TV storage on LAN?

I have Micromax Canvas Smart TV whose basic specifications are Android KitKat, 32" HD Screen RAM-1GB, Internal Memory-4GB (for users about 2GB) No. of USB Port-2, No. of HDMI Port-2, SD Card Slot-1, ...
0
votes
0answers
44 views

How to list an app's internet connections and connected IPs?

I'm currently living in a country in which YouTube website is banned and you'll need a VPN or a proxy to be able to access the YouTube website and videos using a web browser, but surprisingly, I've ...
1
vote
0answers
238 views

How to make network calls on Android with an app in the background [closed]

I am building a react-native app that launches a series of network requests (both UDP, HTTP) when it receives a special kind of notification, or based on a delayed execution. However it turns out ...
0
votes
1answer
29 views

Setting Dynamic IP Address from command line

I am working with android, I have connected a ethernet cable to ethernet port of my hardware. I am not getting any network. I am using Android O. In linux I can use dhclient eth0 (for getting IP ...
0
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0answers
27 views

What is the default values of “ip_conntrack_max” and “nf_conntrack_tcp_timeout_established” on android?

Also, does these value also affect the hotspot function on Android phones?
0
votes
0answers
38 views

The effect of excluding the routes of DNS servers used by OpenVPN in Android

My question is: What will happen when I exclude the routes of DNS servers from config file used by an OpenVPN connection in Android? Will there be any difference between the connections which I don't ...
0
votes
0answers
40 views

where does free proxy sit and what can it actually see when used for 4g android phone?

The ip address of my android mobile with 4g simcard (with out proxy) shows some thing like 10.xx and so on. when I setup a manual proxy, where does it exactly sit in the network of internet? "Will it ...
1
vote
0answers
17 views

Signal Problem of S8+

I recently bought a Samsung S8+. The phone is alright but I got stuck in a problem. One of the network provider SIM is not working. As a simulation, I used following steps: I exchange the slots, ...
2
votes
1answer
1k views

Disable NAT on tethering (Bridge mode)

I've looked around but found nothing on this subject. I have an Android phone with a public IP given by sprint. Tethering on the android uses NAT, so if I want to access any of the devices behind the ...
2
votes
1answer
102 views

Android DHCP Port Redirection

I am working on a MirrorLink implementation for the Google Pixel (Android 8.1.0). I must implement a DHCP server; however, Android applications cannot listen on reserved ports. The Android ...
0
votes
2answers
11k views

Brand new Moto G6 won't send or receive SMS

My brand new out of the box Moto G6 won't send or receive SMS. I'm using the official SMS app which has SMS permissions (triple checked this) and is the default SMS app. I tried everything: cleaning ...
-1
votes
1answer
46 views

Is there a limit to how many WiFi networks can be stored?

When you go to a new place and connect to a wifi android "remembers" it and connects automatically next time. Is there a limit to how many networks can be stored? I understand it is probably not ...
3
votes
0answers
214 views

Wifi authentication error occured

So I've been having this issue for the last month+ and I have yet to find an answer. I have a Samsung Galaxy S6 running Android 7.0 My home wifi was working fine until one day, seemingly out of the ...
1
vote
0answers
191 views

Only one network interface active at a time in Android

I was looking into the network configurations in Android devices. Android makes WI-FI as the default network preference. And I noticed only one network interface can be active at a time in Android. ...
0
votes
1answer
117 views

Check built-in PPTP VPN stats

Is there any way to check VPN stats for stock PPTP VPN applet? Maybe some stat-file or GUI-way? If not, can we utilize Tasker for that? I particularly interested in uptime indicator, i.e. was my VPN ...
1
vote
0answers
48 views

Strange wifi issue

Something strange happened today with my Asus Zenfone Go. I was configuring the device as new after a remote erase (I erased it with find my device). Before asking for my Gmail account it was asking ...
0
votes
0answers
107 views

Is it possible to add exceptions to Open VPN on android?

Is there a way to add an IP exception to the Open VPN app or the .ovpn file that I'm using? I want to use the VPN for all traffic except for one address on the local network. The situation is a React ...