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

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4
votes
0answers
814 views

Is there any way to auto-reconnect with a specific PPTP connection on Android?

Every time my phone switches between networks (e.g. 4G to Wi-Fi) the established PPTP connection drops. I know there is a feature called Always-on VPN, but that seems to only apply to L2TP or IPSec ...
4
votes
0answers
7k views

Port-forwarding on Android 2.3.6 wifi-tether using Port Forwarder app

I'm having trouble port-forwarding connections from outside my network when tethering with my phone. I have a bad understanding of routers and networking in general, so please bear with me. My ...
4
votes
0answers
215 views

Problems searching and joining network with Nexus One

I have a Nexus One, unlocked from Google. It is not rooted nor running custom firmware. I am trying to use it with 2 different international sim cards, which have worked in other peoples phones. I ...
4
votes
0answers
2k views

Help with Blade mobile network not working

I've been given an Orange San Francisco by my boss to fix for him. At the time he claimed it was bricked but its not as bad as first thought. His initial problem was that the phone was unable to ...
3
votes
0answers
44 views

Site timeout for Android device on LAN, but ok on mobile network

My two Android devices (LG G3 on KitKat; Nexus 7 with custom JB rom) cannot access 4 of my 5 Wordpress sites over my WLAN, but have no problem via my mobile network. The other devices on the WLAN (...
3
votes
0answers
65 views

Where are Ethernet Settings stored?

There is a good post about where Android Settings are stored. The following screenshot shows where Wi-Fi settings are stored. Where are Ethernet Settings stored?
3
votes
0answers
45 views

How does changing IP and mask by ifconfig work?

I am sorry for this rudimentary question, but I cannot find a good answer. Here is the effort to change IP and mask: # ifconfig eth0 eth0: ip 192.168.0.133 mask 0.0.0.0 flags [up broadcast running ...
3
votes
0answers
393 views

ICS - no internet, but access to network drive possible

I've set up wifi on an ICS phone. I can connect to a network drive in the system, so the connection seems to be OK. However when I try the browser I get the message 'problem loading page'. I used ...
2
votes
0answers
169 views

How to use network interface as non-root user?

I want to communicate between my Android device and my Linux box over IP through the USB network interface mode. The device I'm using is a OnePlus One running CM12.1 nightly builds. It's rooted and ...
2
votes
0answers
177 views

ifup/ifdown scripts

I am fiddeling with some network related things and want to try them on Android too. In Ubuntu it was quite easy to run some commands if an interface (eth0 or wlan0) goes up or down by simply adding ...
2
votes
0answers
1k views

How do I repair Android DHCP issues?

My phone plan comes standard with a lot of data and as a result, I've been regularly using the Mobile Hotspot feature built into it, on my laptop. The phone is a Samsung Galaxy S5 and is rooted on a ...
2
votes
0answers
850 views

Dial up internet using Android

I still remember the old way of creating Dial up connection using our mobile device as a modem to connect internet. Is it possible to use our android device as a dial up modem to connect internet? ...
2
votes
0answers
205 views

Galaxy Tab 2 10.1 Connect to ethernet

Is it possible, using some type of adapter or combination of adapters, to connect a Galaxy Tab 2 to a ethernet port. Is it necessary to add some kind of kernel module? Which one? How do I do that?
2
votes
0answers
534 views

How to set a DroidWall custom script for allowing global access to the LAN via wifi?

I'm trying to follow the second example at http://code.google.com/p/droidwall/wiki/CustomScripts : # Allow all connections to the local network (192.168.0.XXX) on Wi-fi $IPTABLES -A "droidwall-wifi" -...
2
votes
0answers
2k views

How to setup VLAN on Android?

Can anybody give me idea how to setup the VLAN on android. I get VLAN 200 tagged traffic from some device. So how can I configure or setup the networking stuffs in android to allow traffic tagged with ...
2
votes
0answers
2k views

How to set android as internet gateway for my home network

Title should say all, but here's some network topology: Laptop(s), desktop(s) <-wlan/lan-> router <-wifi-> android <-internet-> So I'd walk into the reach of my wifi and my android would ...
2
votes
0answers
401 views

How to force Android 2.3 to believe that there is networking?

(unsatisfied by answers in "Let Android believe it is connected to internet", they more about "how to set up networking") The android device is connected to the Internet though my laptop over Wi-Fi ...
1
vote
0answers
31 views

reverse tethering - offline for some applications

I try to get internet on my phone from my computer without instlling any tools. My configuration looks like : mybox -----(Ethernet)------[my computer]------(USB)-----[the phone] I enabled usb ...
1
vote
0answers
8 views

How can I play media on my phone and windows computer at the same time?

I have a server running with its hard drive as both a DLNA media server and also a generic NAS, so I can play media from any which device. I'm looking for a way to play a video file from both my ...
1
vote
0answers
33 views

How to maintain established connections android when changing wireless network

I need to resolve the following problem. I runs my application android conected with my server on cloud, but my established connections disappears when I switch the (Wi-Fi) wireless network. Why this ...
1
vote
0answers
138 views

How to enable/disable DHCP of eth0

"ifconfig eth0 dhcp start" or "ifconfig eth0 dhcp drop" does not seem to work for Android. Is there a way to enable/disable DHCP for eth0 via shell commands?
1
vote
0answers
70 views

What is an easy method to test whether UDP traffic is blocked?

What is an easy method for an Android device to tell whether a data connection (either WiFi or mobile data alone) has UDP traffic blocked? Many corporate and public access points restrict UDP access, ...
1
vote
0answers
184 views

Accessing NAS from VLC Player on Android TV?

I'm having a lot of trouble accessing my Synology diskstation from the VLC Player Application on my Sony Android TV. There's no option to configure the network and so I'm not sure where the source ...
1
vote
0answers
235 views

OpenVPN Connect (Android): How to allow local traffic to bypass VPN

I use the OpenVPN Connect app on my Android devices to route my internet traffic through commercial VPN Service providers (Private Internet Access and IPVanish). I can access the internet through the ...
1
vote
0answers
44 views

android networking

I have a spare android which i always leave at home. I wonder if i can use it as a server using its mobile hotspot because i dont have a router and internet at home. Friends always come and always ask ...
1
vote
0answers
84 views

Connect Android devices via (ethernet) cable

I want to assign static IP Addresses to my Android devices, and connect them via say Ethernet cable. Essentially create a network by connecting android devices using physical wires and have IP ...
1
vote
0answers
88 views

Private communication over wifi but internet over 3G

I have a raspberry pi which creates an WiFi hotspot and I want my android app to communicate with the pi over that connection. The big problem now is that the pi has no internet access so I would like ...
1
vote
0answers
178 views

Routing instead of NAT/Masquerade for WiFi Tether clients

When clients connect to Android Tethering they get IPs of the private Tethering networl. There is plenty of info available on how to NAT/Masquerade WiFi tethering clients (for example into a VPN), but ...
1
vote
0answers
129 views

Ngrok (compiled for Arm5) crash on android: can't find core dump files!

I downloaded Ngrok which I want to install on a old HTC Hero [the project is to transform the phone in a ipcam, reachable behind a NAT network], so I chose the version compiled for Arm5. You can find ...
1
vote
0answers
49 views

How does Android perform Data-Wifi Switch

I am trying to learn from Android source on Data-Wifi automatic switch. The closest I can get is DataCommand and WifiCommand, they seem to switch network preference (through ConnectivityManager), by ...
1
vote
0answers
264 views

Create static route for WiFi connection

My android 4.4.2 device is on a corporate network which requires a static route to access another subnet. This static route is served by DHCP but I don't think Android is respecting it. Is there a ...
1
vote
0answers
133 views

Win 7 wifi hotspot connection not able to share internet

I have created an ad-hoc wifi hotspot connection using > netsh wlan set hostednetwork mode=allow ssid=WinWlHS key=MyPassword keyusage=persistent Then I have started hotspot using netsh wlan ...
1
vote
0answers
423 views

SSH Key generation

How do I generate a pair of SSH keys to be able to use in several apps (Juice SSH, Turbo, etc) to access my remote host? I've tried generating them with Connectbot, JuiceSSH and on a Linux machine, ...
1
vote
0answers
237 views

Lenovo USB 3 to Ethernet adaptor not working on Nexus Player

I have a Nexus 5, a Nexus Player, a USB OTG cable, and a Lenovo USB 3 to Ethernet adapter. If I plug the Ethernet adapter into my phone (using the OTG cable of course) it loads the cdc_ether driver ...
1
vote
0answers
342 views

Connecting to a network that blocks non-computer devices with Galaxy S4

I would like to connect my Galaxy S4 to my school's WiFi network in order to cut down on expensive data usage. The problem is that some mobile devices (including my phone) can't connect, so I can't ...
1
vote
0answers
74 views

Change how a phone identifies itself on the network

I currently own a Nexus 5. My mobile carrier just now begun providing LTE, but my Nexus 5 apparently isn't in its "list of compatible devices". Is there a way for me to change how the network ...
1
vote
0answers
142 views

Why does my Android have an 8MB hosts file blocking thousands of sites?

Background: my Android is the only source of internet I have - I use it as a hotspot while at home. I have been noticing strange behavior out of my Desktop PC recently: sites like Amazon were not ...
1
vote
0answers
126 views

How can I connect two android devices to the same network over the internet?

Many phone functions (local WiFi-only games, networking, etc.) are only possible/are made much easier by having the two devices connected to the same network. I'd like to do this, if possible, ...
1
vote
0answers
526 views

OpenVPN on Android 4.4 not working

I'm running CyanogenMod 11 unofficial ROM and I can't seem to get VPN working. I've tried different OpenVPN clients. All of them connect to the server, but there is no traffic; the connection just ...
1
vote
0answers
413 views

Is there a way for 3G to not disconnect when connecting to WiFi?

WiFi is unreliable, I wouldn't trust WiFi for SIP calls, I've disabled WiFi within CSipSimple. Now every time I connect to WiFi, my SIP registration seems to go away, and I'm not receiving any calls ...
1
vote
0answers
543 views

Does the API expose the ability to use multiple network interfaces simultaneously?

I'd like to know if it's possible for an Android application to transfer data via WiFi and mobile simultaneously, or any other network interface such as USB or Bluetooth tethering, without requiring ...
1
vote
0answers
302 views

Possible to connect Android device to Internet with Ethernet

I want to connect my Samsung S3/S4 to the internet using an Ethernet cable and USB network adapter. Is this possible? I have tried a couple different adapters, which don't work, and leads me to ...
1
vote
0answers
426 views

No web access on Android 2.3.7

I have an LG Optimus V, rooted, with Cyangenmod 7.2.1 (BackSide-IHO) that has developed, lately, a weird network problem: While on 3G (or wifi) every app on the system with the exception of the two ...
1
vote
0answers
835 views

Ports on the Android PHONE

I often use my Samsung Galaxy Note2 on local WiFi networks which are protected by a firewall, and experience problems with some apps which are most likely caused by strict firewall rules. Is there ...
1
vote
0answers
169 views

Rooted Kindle Fire can't connect to Socket

I rooted my first-generation Kindle Fire (at the time running 6.3.2) so I can run Jelly Bean on it. However, when programming a simple networking app, the following line: Socket sock = Socket(...
1
vote
0answers
843 views

Connectify doesn't work with Android

I use Connectify Hotspot Pro to create Wi-Fi network. However, my Android phone is unable to display this Wi-Fi hotspot at all. What do I need to do to make it work?
1
vote
0answers
1k views

Why won't my Galaxy Tab 2 connect with WiFi or USB?

Whenever I try to connect to WiFi or my PC with USB, it always just says "connecting..." indefinitely. It detects my WiFi signal, kies detects the tablet, but neither one has managed to actually ...
1
vote
0answers
359 views

rooted android JB 4.1.1 razr m , Map network drive with VPN

So I established a VPN using openVPN app on my phone. My phone has an IP and everything on the network. What I would like to do now is browse the network drives remotely and possibly download files to ...
1
vote
0answers
3k views

Android and Windows 7 Homegroup

I have an Android tablet and my PC running Windows 7 Pro. I am using ES File Explorer on Android to see shared folders. I added some folders to the Music/Picture/Video libraries and shared them in a ...
1
vote
0answers
238 views

How to workaround “no network => go away” in programs?

When neither Wi-Fi nor Mobile data connectin is turned on, the programs often tell "No network" and refusing to work (not even trying) although networking can still be available (Wifi in "hotspot" ...