![]() ![]() Since DNS uses UDP port 53, do a Destination Network Address Translation (DNAT): ~# iptables -t nat -I OUTPUT -p udp -dport 53 -j DNAT -to 192.168.1.1:53 Or if you have root you can use Android kernel's built-in firewall netfilter to force a nameserver. Configure static IP in Wi-Fi settings to set IP address of local DNS server as the first (and preferably only) DNS. Android loves Google so much, so you will often find queries going to 8.8.8.8 (may be when router is advertising the IPv6 DNS server). Public DNS servers don't know what hostnames you have set on your private network. You have to make sure that DNS queries are sent to the local DNS server only. It indicates that Android phone is sending DNS queries to internet. If I open a local SSH session on the phone itself and ping servername, then it appears to be going after some random internet IP address ( 92.) and fails to login. That's the difficult part, you have to configure your phone to use a local DNS server but Android doesn't provide a straightforward way to do this. I cannot find any settings that correspond to this problem. Usually Wi-Fi router is the DHCP/DNS server. But to resolve local hostnames on Android, you must have a local DNS server running. You haven't mentioned which Wi-Fi router you are using and if you have a DHCP/DNS server running on local network or not. Resolving hostnames is handled by Android's C library to which apps are linked through APIs at the time of compiling. In fact you have to persuade Android OS, not a specific app. So, how can I persuade Termius (free version) to understand local network host names? So, how can I persuade Termius (free version) to understand local network host names? I cannot find any settings that correspond to this problem. If I use the server's local IP address ( ) then Termius can SSH to it with no issues. If I open a local SSH session on the phone itself and ping "servername", then it appears to be going after some random internet IP address ( 92.) and fails to login. However Termius on the Android phone does not seem to understand that "servername" is attached locally to the same wifi network as the phone itself. ![]() ![]() On the PC I can simply issue the command putty and I can login without difficulties, as one would expect. Everything talks with everything else nicely apart from when I try to use Termius on Android to ssh into "servername". Every device has working internet access. "Įcho "date_start,date_end,ipv4_ $ " |tee -a $CSVĬ_print "Yellow " "device is disconnected.let's skip this round.All are connected locally using Wifi (not that it should matter) using the simplest possible configuration imaginable. # echo "Device is connected to mobile data"Ĭ_print "Bold " "Acquiring wakelock to let the app and termux run in the background. Termux-telephony-deviceinfo |grep "data_state " |grep "disconnected " > /dev/null "Ĭ_print "Bold " "Starting IPv6 logger with GPS data. #subscribe to Ctrl C event and handle it differentlyĬ_print "BYellow " "|-Graceful exiting. #that might still run in the background (it does not give results fast and if cancelled it stucks)Ĭ_print "Green " "Releasing wake lock. #graceful quit function that releases the termux lock and kills termux-location app "Ĭ_print "None " "How to simply get these interfaces on a non-rooted phone? just use 'ip addr show' and look for the interfaces that have meaningful IP addresses "Ĭ_print "Red " "Sleep time cannot be less than 5 seconds " Cannot be less than 5 seconds (Default: 300). "Ĭ_print "Bold " "\t\t-s : sleep time IN SECONDS between two consecutive measurements. "Ĭ_print "Bold " "\t\t-b : set the secondary interface name that is used to connect to the internet via mobile data communication (Default: intf2). ip_addr_logger.sh "Ĭ_print "Bold " "\t\t-a : set the primary interface name that is used to connect to the internet via mobile data communication (Default: intf1). C_print "Green " "This script stores the IP addesses of the data communication interfaces with location date information to keep track of them preciesly! "Ĭ_print "Bold " "Example. ![]()
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