Questions tagged [android]
Operating system for mobile devices. For user questions, see http://android.stackexchange.com
210
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How to detect whether a user is using USB tethering?
Recently a user unplugged their company PC from the network and used USB tethering with their Android phone to bypass the company network entirely and access the internet. I don't think I need to ...
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16
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2
answers
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How to start setting up a VPN server for smart phone clients?
I have a Ubuntu Lucid Lynx VM which I've been tinkering with. I want to set up a VPN and I am happy to learn how to do it on my own but the vastness of options makes my head spin, so I'm just looking ...
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15
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3
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Why does Android Chrome say my site's security certificate is not trusted?
My site is https://blendbee.com. It's using a PositiveSSL certificate that is valid.
In Windows 8 Chrome the certificate is fine (green lock in top left corner).
But...on my Android, it's not so ...
- 262
11
votes
3
answers
38k
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how to disable remote wipe for Exchange 2010 ActiveSync?
When connecting android mobile devices to Exchange ActiveSync some require granting device administrator privileges which permit an exchange administrator to remotely wipe the phone. The warning ...
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9
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0
answers
2k
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Android to openswan/xl2tpd/pppd error: result_code_avp: avp is incorrect size. 8 < 10
I am trying to use a simple Android 4.4.4 VPN connection to openswan/xl2tpd/pppd combo. the IPSec SA works, but xl2tpd at one point terminates the pppd and this shows up in logs:
xl2tpd[17990]: ...
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7
votes
6
answers
3k
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Android software for the system administrator on the move [closed]
My company has over service through Verizon, and AT&T Service in the area is "shoddy" at its best, so I haven't been able to join the "iPhone party" like so many of my fellow system administrators ...
7
votes
3
answers
18k
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Connect to Cisco ASA 8.2 VPN with Android 2.1 L2TP/IPsec?
I am trying to configure my Cisco ASA 5510 running software version 8.2 to allow my Droid X to connect via L2TP/IPSec VPN. I have configured the DefaultRAGroup like so:
tunnel-group DefaultRAGroup ...
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6
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2
answers
6k
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Putting Android on ethernet network using VLAN s
In our lab, we have static IPs assigned to everything. We have less than 20 devices, some physical and some virtual on ESXi, ranging from servers to android tablets. Everything is wired ethernet. ...
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6
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3
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12k
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How to turn off MS Exchange Server requests for “Activate Device Administrator” permissions on mobile devices
I have a Microsoft Exchange server for a small business and we just upgraded to 2010. It's now prompting people on Android with:
Activate device administrator?
- Erase all data: Perform a factory ...
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6
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3
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Is it possible to detect Android and iOS devices based on DHCP requests?
I want to configure DHCP server in a way that it puts "regular" smartphones and tablets into a separate subnet. Is it possible to detect if the DHCP request comes from an Android or iOS device based ...
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1
answer
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Chrome desktop and android refuses to accept trusted self-signed cert
I created a self-signed certificate using the following command using OpenSSL 1.1.1b (26 Feb 2019):
openssl req -nodes -new --days 900 -subj /CN=192.168.0.104:8080 -x509 -keyout server.key -out ...
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5
votes
1
answer
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XMPP Server on EC2 Amazon Web Service (AWS)
My company uses OpenFire for server-side and smack for client-side in its XMPP Android application.
AWS seems like a good and scalable service for what we need.
We use it for testing our app, but I'...
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5
votes
2
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Does Android version 2.2 locally encrypt Activesync messages?
I am a sysadmin for company X. They are interested in allowing ActiveSync access to devices that support local offline encryption of the downloaded attachments and email data.
Considering how the ...
- 8,931
5
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Email Autodiscovery Not Being Probed By Android
Android's default email client is supposed to probe the server for the domain of the user's email address per outlook autodiscovery. This bug seems to indicate that at least the first two steps of ...
- 1,311
4
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2
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594
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Android phone as a Live Linux USB stick? [closed]
I got only a quick question before I actually try to do this thing myself. HTC phones with Android can be used as classical USB mass storage sticks, so I'm planning to use one as a live Linux USB ...
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4
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2
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SSL will not work on Android mobile
I bought Comodo SSL from Namecheap. Now, the SSL works fine on desktop, I am getting a "This Connection is not private" on mobile phone.. on my chrome on Android
Here is my virtual host file:
server ...
- 167
4
votes
1
answer
12k
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iptables - force all traffic over VPN (and drop all traffic when no VPN connection)
Goal:
Ensure all traffic is forced over VPN tunnel from all network interfaces (wlan0,rmnet0,rmnet1), that is all traffic is dropped when not connected to VPN. In other words, Internet traffic should ...
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4
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1
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2k
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SNI error over SSL on some Android devices
I am getting an SNI error:
Hostname X provided via SNI, but no hostname provided in HTTP request
On some Android phones when making SSL requests to my domain. This is despite ensuring that the Host ...
- 141
3
votes
3
answers
780
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Exchange Encryped Email with PGP
My organization is currently looking into encrypting our emails internally as well as the occasional message to come outside recipients. The requirements are currently a bit overwhelming and I am not ...
- 101
3
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1
answer
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How to setup auto-configure email for Android Mail app on your server?
I work for a local ISP, Web and Email Hosting provider. I've been able to setup autoconfig/autodiscover and .mobileconfig for Thunderbird, Outlook, and IOS, respectively. This covers most of our ...
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3
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1
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Ipsec reload fails to load ipsec.conf Strongswan 5.0
I am having trouble configuring a connection to an Android device using a fedora 17 linux machine and strongSwanv5.0.1dr2. I have made some progress but when I try adding the configuration to support ...
- 195
3
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1
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2k
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DNS over TLS / DoT as a private Service (authentication) possible?
I have set up an DNS resolver and nginx upstream server as a working "DNS over TLS" server. (and DNS over HTTPS but android uses TLS)
This works great so far, but my wish is to make it private with ...
- 33
3
votes
1
answer
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Are there any Microsoft Exchange Clients for iOS and Android that store their local data in an encrypted manner?
I don't feel like this is a product recommendation question, more of a "does this tech even exist and is it feasible" question, but if I'm wrong, feel free to give this question the boot.
Context:
...
- 841
3
votes
2
answers
3k
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Blocking Android TouchDown access to Exchange
I found out recently that a user with an Android phone is using TouchDown to sync with his Exchange 2003 account. What's the best way of blocking this?
- 1,576
3
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1
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Android email auto setup
There are some questions on serverfault about setting up Thunderbird autoconfiguration and Outlook autodiscovery, but when using the default email client on Android (tested on three phones - v4.4 and ...
- 1,311
3
votes
1
answer
63
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Mobile test device charging station and checkout managment solution [closed]
Alright... here's praying this is the right place for this question. Frankly, I think it straddles the border between a number of different categories, but maybe ServerFault will embrace it as their ...
- 133
3
votes
1
answer
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What can cause 'Network is unreachable' when the link is up, the route is there, and the netmask is correct?
What could cause this?
$ sudo ip route show
192.168.100.0/24 dev usb0 ...
- 131
3
votes
1
answer
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How exactly does e-mail push work in non-blackberry phones?
I've been a blackberry user for the past 6 years. I've convinced myself to make the switch to an Android device. I have already started some Android development so having an actual android device ...
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1
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VPN connection between Endian firewall and Android phones
We have an endian firewall (community, 2.4.0) as gateway, which is already serving as OpenVPN and IPSec endpoint (net-to-net). And we have many Android phones (most of them running Android 2.2 FroYo).
...
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3
votes
1
answer
6k
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IPsec tunnel to Android device not created even though there is an IKE SA
I'm trying to configure a VPN tunnel between an Android device running 4.1 and a Fedora 17 Linux box running strongSwan 5.0. The device reports that it is connected and strongSwan statusall returns ...
- 195
3
votes
2
answers
152
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Printing from Android/IOS phone in the enterprise? [closed]
Simple question, possibly complicated answer. What has been your solution for users wanting to print from their Android/iOS devices? Print email attachments, etc directly from the phone to your ...
- 100
3
votes
0
answers
137
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Why doesn't Android cache Apple Touch Icons? [closed]
I'm not sure if this applies to every Android phone, but it seems that many Android browsers don't cache the Apple Touch Icon and reload it on every page view.
I have the following in the <head>...
- 235
3
votes
1
answer
6k
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L2TP over IPSec VPN (OpenSwan, CentOS 6) unable to connect via iPhone (iOS 5.1) and Android (JellyBean)
I have successfully installed L2TP over IPsec VPN (PSK) using OpenSwan 2.6.38 running on CentOS.
Connect DOES WORK perfectly from Windows 8.
But doesn't work AT ALL from iPhone 4 (ios 5.1) or ...
- 61
2
votes
4
answers
18k
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Exchange user is no longer receiving email on Android phone
Mfg/Model: Samsung Droid Charge
Android Version: 2.3
Provider: Verizon
Error: Failed to connect
The user was previously receiving emails just fine on his phone, but since this morning, he hasn't been ...
- 61
2
votes
2
answers
1k
views
How to get cpu hardware id on Android systems?
I need get CPU voltage and temperature from /sys/class/hwmon but need find the CPU ID to find the correct directory, by example:
$ ll /sys/class/hwmon/hwmon2/device
lrwxrwxrwx 1 root root 0 sep 3 13:...
- 173
2
votes
4
answers
5k
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Monitoring the stability of an internet connection
I relatively recently signed up with a new ISP and I have about 2 weeks to determine if their uptime is sufficient for running a server. My initial plan was to install Nagios on an old laptop and ...
- 183
2
votes
2
answers
1k
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Users complaining about inputting PIN on Android, Exchange Server 2007
I have users complaining about having to input a PIN to access their Android phone when they are linked to an Exchange Server account. I understand this is a security feature built into MS Exchange. ...
- 268
2
votes
2
answers
38
views
How much protection is provided for my remote centos vps by using certificate-only root login
I have two leased centos servers, one to run mysql for backends to the web and mail server on the other, as well as data from my android apps. I am only planning to give access to the data server if ...
- 133
2
votes
1
answer
75
views
Warehouse WiFi Repeatedly Disconnecting Only When Standing Under AP with 'Preferred Site' Error
Here's a strange one,
I'm commissioning some Motorola/Symbol MC40 Android scanners in a warehouse environment. They just installed new WiFi APs to cover the warehouse. They seem to work fine, except ...
2
votes
3
answers
1k
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Network monitoring system with mobile app
I'm looking for a monitoring system (that runs on linux) and can monitor the most used operational systems and has an application for android to show the status of the servers. Anyone knows a software ...
- 356
2
votes
3
answers
4k
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VNC connection to EC2 instance without installing a VNC server
I was wondering if it was possible to connect to an Amazon ec2 instance via VNC, but instead of installing a VNC server in the target machine, somehow connect it to the hypervisor's graphics output ...
- 133
2
votes
1
answer
2k
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USB networking setup between Android and embedded Linux
I'm working on a project right now where we have an embedded Linux system running some sensor/motor control functionality, and we're creating a GUI application to allow the user to control the system. ...
- 121
2
votes
4
answers
6k
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Use Smartphone as gateway to internet for my local network (Not smartphone hotspot!)
Am I able to use my Android smartphone with 4G LTE internet access as some kind of gateway to internet?
I need anyone who is connected to my local network made with Wi-fi router to be able to access ...
- 167
2
votes
1
answer
66
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How to make Wi-Fi Clients happy on Airgapped network?
We have an airgapped network composed of an Ubuntu 16.04 server and a Pepwave Peplink AP Pro 300M Wireless Access point. The goal is to allow consumer users to hit this access point but, when they ...
- 143
2
votes
1
answer
486
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Can anyone help a stupid developer trying to set up Office 365 Exchange?
As a Microsoft MVP, I have access to Office 365, with a limited number of users. I'm trying to figure out how to set it up, but I'm running in to issues everywhere (I get the basics - just trying to ...
- 123
2
votes
1
answer
2k
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Windows authentication vs Android browsers in Windows Server 2008 r2 IIS7
I have a company website which uses Windows Authentication.
The site runs on Windows Server 2008 R2, IIS 7.
When we try to access it from mobile, we get mixed results - some browsers do succeed to ...
- 213
2
votes
2
answers
560
views
What is the best Android phone for remote ssh administration/scripting? [closed]
I've got a Moto Droid that I use with connectbot for remote admin on Linux webservers.
However, I'm wondering if there are any Android phones out there with better hard keyboards for use with ...
- 21
2
votes
1
answer
298
views
Android application compatible with IMAP search without using local index?
I use an email account of several dozens of Giga, on computer and Smartphone.
However, most applications use a local index to speed up the search of emails (this is the case of Outlook and Thunderbird ...
- 29
2
votes
2
answers
4k
views
Mikrotik Wifi on Android keep on disconnecting
My company recently purchased a few Mikrotik hAP Mini. These units are used for Site to Site VPN. The first unit I setup manually worked flawlessly. I then exported the configuration to the second, ...
- 141
2
votes
0
answers
882
views
Fortigate and RADIUS Wifi authentication for domain and non-domain devices
We're setting up RADIUS authentication for wireless network connections through a Windows Server 2012 R2 (NPS).
We have to allow both domain computers (registered in Active directory) and non-domain ...
- 75