Questions tagged [networking]

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

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Any method to enabled n28b band on MIUI phone?

Actually, I'm not sure if n28a and n28b are in the n28 band, or if they're different in the first place (even though the frequencies are both 700). Because the cell phone info sites I know of usually ...
Shallow_Wind's user avatar
2 votes
0 answers
24 views

Continous mode on netstat

I tried to run netstat on Android (specifically LineageOS) and I saw that it has only these options: -r Routing table -a All sockets (not just connected) -l Listening server sockets -t ...
Vlad Iordache's user avatar
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1 answer
17 views

Disable Querying LAN Address when on Mobile

We have a local server with a domain name and DNS, all only accessible on a LAN or via VPN. We use this to maintain a few services synced up. Is there a way to disable phones from trying to access ...
Teknophilia's user avatar
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50 views

How to rename and modify ethernet interface in Android during runtime?

I have an Android emulator based on Android Pie running in a Docker container. Docker by default assigns eth0 interface, we use the eth0 IP assigned by Docker and write it to ipconfig.txt (/data/misc/...
Kishy Nivas's user avatar
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0 answers
39 views

Ports filtering in Android

How to configure port filtering in Android using iptables? As it is used by default for filtering in the Linux kernel before version 5.0, and after that firewalld is used. Apparently, you should use ...
Frenc Olesov's user avatar
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44 views

Android 12 froze, does this leak IP address with VPN killswitches enabled?

I have a VPN running with Android's 'always-on' VPN feature enabled, and the 'block connections without VPN' feature enabled. My device running Android 12 recently froze and wouldn't respond. I had to ...
Frostoverhaul's user avatar
1 vote
0 answers
44 views

Display message on Android TV sent over network

I have several Android TV boxes driving TVs in my house. I switched them over from Kodi. I used to send a message to Kodi (using Netcat) from a Linux box that runs a phone system. When a call ...
TSG's user avatar
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122 views

How to assign a hostname to an Android device?

When you connect to a WiFi network, the router assigns an IP to the android device (like 192.168.1.105). Now when a FTP or HTTP file server is run on the android device, other devices should type that ...
Zeta.Investigator's user avatar
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30 views

How to Load Webpages From Local Network While LTE Data is Connected?

My device is connected to a local WIFI AP that has a network, but not an internet connection. On this local WIFI network there is a webserver running at http://192.168.4.1:8000/ In the browser on my ...
FoamyGuy's user avatar
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176 views

How to configure static IP in Genymotion emulator via adb?

I need to configure Genymotion emulator (Android backed by VirtualBox). I need to setup static IP for eth0. The full list of commands i need to apply: su ifconfig eth0 10.152.152.12 netmask 255.255....
Vlad's user avatar
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Android wifi connectivity check

Windows OS has a functionality that checks internet connection periodically, if DNS resolution and traffic begins to fail it changes to "limited connectivity" and resets the WIFI drivers. I ...
Ajkd2's user avatar
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File does not be sent in KDE connect

I have galaxy J7 and lineageOS 17.1. When I send a file with KDE connect from my phone to another device (another phone or a laptop) I am successfull, but in reverse not. For example when I try to ...
Reza Hosseinzadeh's user avatar
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0 answers
371 views

DNS within termux

I am using termux to synchronize files across a couple of android devices (probably use rsync later... still experimenting). Presently I use ifconfig to figure out the IP address of the devices, ...
Agnel Kurian's user avatar
1 vote
0 answers
76 views

How to configure Android to act as server in the local network?

I have two devices (an Android phone and an Orange Pi) connected to the same Wi-Fi network via the notebook's hotspot. I do have a server running on the Android device which I want to make accessible ...
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19 views

Share Genymotion's Network with its host

Due to my peculiar circumstances in Iran with very restricted Internet access, I manage to find a way to connect to real Internet on my Android phone. Now I want to run the solution on a Genymotion's ...
Eman Amini's user avatar
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0 answers
19 views

Network data transfer seems to hang after a minute or so: troubleshoot and/or fix

My android phone on my home wifi acts like data is not transferring. The cable modem is fine (laptop works). The problem seems to be with the phone. On the phone I turn wifi off, then back on, and I ...
JimB's user avatar
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1 answer
309 views

Android 11 tablet cannot connect to WiFi (saved; obtaining IP adrress)

I got a new Thomson Teo 13.3 Android 11 tablet (I started from factory defaults, it is brand new). I made a new Wi-Fi network on my NETGEAR WAX202 router, let's call its SSID "MyNetwork2", ...
sdaau's user avatar
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2 votes
0 answers
88 views

what time of day do IPv6 privacy addresses usually rotate on Android devices?

Android long ago implemented support for the privacy extensions of IPv6 networking. It was in 4.0 (Ice Cream Sandwich). The RFC for the privacy extensions doesn't specify (or even recommend) a TTL ...
Armadillo Jim's user avatar
0 votes
0 answers
156 views

How to play remote mp4 file through HTTP on Android TV

This is something that I've been able to do easily on a PC or an Android smartphone, but there seems to be something in Android TV (at least in version 9) that prevents it. I have video files in a ...
golimar's user avatar
  • 553
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54 views

How can I make my phone prefer my mobile network (LTE) over WiFi?

I have a phone running Android One 12. Preferably without root access - is there a way that I can make it prefer my mobile network over WiFi? This is because I'll be traveling on a ferry and want it ...
Max's user avatar
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1 vote
0 answers
328 views

Android 13 ethernet tethering forward all ports

i want to forward the mobile Internet on my rooted Pixel 7 to my router. My router forwards ports 80/443 to a client in my local network to host some web services. I want to be able to forward the ...
Reldeis's user avatar
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1 vote
0 answers
47 views

Connections towards specific inbound ports on cell phones

Imagine a cell phone connected to internet via 3G/4G/5G, but not via wifi (and a router). Wifi is either temporarily disabled on the cell phone, or not available at that area. Can that cell phone run (...
BlueMOSFET's user avatar
0 votes
0 answers
244 views

Cannot connect to dormitory network using android 13 on google Pixel 4a 5g

So my dormitory wifi/network uses a combination of TTLS and PAP authentication to which I can successfully provide my credentials. But when it comes to certificate and domain choice I actually don't ...
shanji97's user avatar
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657 views

How to monitor network traffic on Android with root access?

I want to monitor network traffic on my rooted Android device. I found an app called "Network Log" (repo), but it's outdated, designed for old Android versions, and has some bugs (but not ...
g00dds's user avatar
  • 111
3 votes
2 answers
524 views

Android USB Ethernet - Create a wireless bridge with port forwarding

I have about 50 industrial machines (mostly CNC controlled by a PLC). They have ethernet jacks, with an existing IP address set. I need to connect them to the main building's network (which uses an ...
Developer Gee's user avatar
0 votes
0 answers
762 views

decrypt Android app TCP traffic using mitmproxy, frida, and wireshark

I am trying to inspect traffic from a production Android app, which I don't control, on a rooted Android phone. I'm following the guide here, which basically uses mitmproxy and frida running on a ...
mark's user avatar
  • 101
0 votes
1 answer
133 views

How to modify the IP packet destination IP address in Android?

Here, I can type this in Termux su iptables -I OUTPUT -d 1.2.3.4 -j REJECT iptables-save to reject the packet so as to forbid the Application to visit a certain host. It works well. However, now I ...
user avatar
2 votes
0 answers
38 views

Why does my phone report "network unavailable" every time I return home?

At home I have a router with several devices wired and over wifi. Everything works fine, including my Android LG cellphone, which connects to cell over wifi. I'm in a rural area with no direct cell ...
DarenW's user avatar
  • 271
1 vote
0 answers
490 views

How to share android 4g internet connection by LAN?

I have IP camera and printer that is accessible via internet. They can be connected via wifi or LAN (both have this rj45 port). I wonder if it's possible to share my 4g android connection through LAN? ...
cyanide's user avatar
  • 11
2 votes
0 answers
359 views

How to make android 10 phone only use certain BSSID devices with the same SSID or at least ignore a specific BSSID?

I live in a hotel where all WiFi AccessPoints have the same SSID, but the AP next to my room is not configured properly and no one bothers to call a technician. Since this faulty AP is closest, my ...
Spica Simpson's user avatar
0 votes
2 answers
463 views

Can a school wifi certificate track me at home?

At my school, when logging into wifi for the first time, we enter our ID & password into a normal wifi login page, then we download a certificate. I cannot confirm if the certificate changes ...
anonymousaga's user avatar
1 vote
0 answers
517 views

Does Android allow incoming connections?

Some posts explain, that Android OS has all ports open by default with a policy to accept all incoming connections. But od a "NetGuard" Android project they mention "Android does not ...
M_Ryan's user avatar
  • 11
0 votes
0 answers
301 views

Connect to a Network over wifi or ethernet adapter, with twrp and use the terminal?

Im a noobie with twrp and android, i have Install it on a very cheap Nexus 5 and it works. Is it possible now, connect with twrp to a network with the terminal, if not possible over WiFi could it be ...
Z0OM's user avatar
  • 101
0 votes
0 answers
76 views

Some local ipv4 hosts unreachable

Periodically some hosts on my LAN (but not others) are inaccessible from my phone, both in chrome and pinging/tracerouting from termux.  These hosts are up at the time and accessible from other ...
2e0byo's user avatar
  • 101
0 votes
0 answers
65 views

How to "permanently" turn off networking on an android device?

I'm in the process of creating a "secure device" to store and process sensitive information. Using an Android device was the best course of action for me, since I can make a quick app, plus ...
Juan Carlos's user avatar
2 votes
1 answer
614 views

How can I list which TCP Congestion Control Algorighm my Android device is using?

How can I enumerate the complete list of TCP Congestion Control Algorithms that my Android device supports? And how can I see which apps are using which algorithm? I'm trying to figure out why some ...
Michael Altfield's user avatar
0 votes
0 answers
35 views

How does Android device supply internet to apps and apps become online?

Apps are in an offline state. Whenever I turned on data (internet), in the blink of an eye, the apps become online. In another instance, I turned on data (but I have no internet), and apps are not ...
Tanzin's user avatar
  • 53
0 votes
1 answer
56 views

Issue with FTP over hostapd hotspot and specifically an Android client using ProFTPD

So I have been using this setup with an iPhone quite successfully. The "server" box is running Fedora 34, on which is installed ProFTPD. I went through and configured through the visual ...
John Sohn's user avatar
0 votes
0 answers
737 views

Android X86 VM on Hyper-V has no network connection

I followed these instructions to install an Android X86 virtual machine on top of Hyper-V inside windows OS. However, now the VM has no internet connectivity. Here are my network settings: can you be ...
Foad's user avatar
  • 111
1 vote
0 answers
203 views

Using android phone as a DMZ/access point

I had a router suddenly die, and was wondering if I could use a spare Android phone as a temporary replacement. Currently the network has one laptop connecting via Wi-Fi, and one desktop connecting ...
Ian Newson's user avatar
2 votes
0 answers
419 views

Using Android phone as a WiFi repeater without using mobile data

There have been quite a few discussions related to this topic Can I use my phone as a WiFi-WiFi hotspot? [duplicate] Turn On Both Wifi and Wifi Hotspot [duplicate] How to use Wi-Fi and hotspot at the ...
kebugcheck's user avatar
-1 votes
1 answer
40 views

Is Galaxy S3 always disclosing an WiFi SSID? [duplicate]

I read tons of articles about how is it bad do hide SSID because client devices can disclose the network parameters by constantly "pinging" it when not in range. Ok, here is the client the ...
Paul's user avatar
  • 141
1 vote
1 answer
38 views

Android 9 device does not save network

On an Android 9 tablet: Settings Use Wi-Fi Add network Enter an SSID, and select security None (the Wi-Fi does not require a password). Tap Save The network is not saved and the tablet does not ...
Hong's user avatar
  • 317
1 vote
1 answer
192 views

Receive IR signals through camera

I want to receive IR signals on my phone. The camera can see IR, but I cannot tell which button I pressed. (yes, I know that's not how it works). No app on the Play Store could help me because they ...
DiamondCheapskate's user avatar
1 vote
0 answers
88 views

What to do if malware not gone after complete factory reset?

I have a virus in my Samsung galaxy s21a, and even after a complete factory reset phone doesn't recover. What would be other solutions to fix it?
Audrius's user avatar
  • 11
0 votes
1 answer
468 views

Route some traffic via VPN while the rest routed as usual (non-VPN)

I manage some servers where VPN is the only access for maintenance. On Linux, we use xl2tpd, strongswan-starter, and ip-route. I want to gain access to my phone (Pixel 3, Android 12) such that traffic ...
gregrwm's user avatar
  • 81
0 votes
1 answer
52 views

Wifi connects disconnects on android

I have android device with stock android(moto edge 20). Whenever the wifi signal(router) are weak the wifi disconnects. This problem is frequent when my device is connect to a Bluetooth device. This ...
Malay Pandey's user avatar
0 votes
0 answers
34 views

Detect the Incoming TCP Packets

I am developing a feature in my application for screen mirroring for which I need to open a wide range of ports (approx. 10000 number of ports) in my android system. It is a risk to open all these ...
Lavyansi's user avatar
0 votes
0 answers
29 views

I need to block some videos (inside Youtube app) and sites (inside Chrome or another browser) using keyword

example: I want to block pages/videos where the content/title contains the word "fish". How can I do it? Thank you.
mrjayviper's user avatar
0 votes
2 answers
401 views

Hotspot DHCP issues without mobile data (dhcp4 request timed out)

By default, does the Android "hotspot" functionality provide a DHCP server to its clients? Or does it just pass DHCP info on from the network that it's connected to? I'm trying to create a ...
Michael Altfield's user avatar

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