172 lines
5.2 KiB
Markdown
172 lines
5.2 KiB
Markdown
# CheckMyIP (TelnetMyIP [![Twitter][twitter-logo]][twitter]) [![CheckMyIP][logo]][twitter]
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A Telnet and SSH Based Public IP Address Lookup Service
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-----------------------------------------
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### VERSION ###
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The version of CheckMyIP documented here is: **v1.0.0**
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-----------------------------------------
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### TABLE OF CONTENTS ###
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1. [What is CheckMyIP](#what-is-checkmyip)
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2. [How to Use](#how-to-use)
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3. [Using the API](#using-the-api)
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4. [Install Process](#install-process)
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5. [Contributing](#contributing)
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-----------------------------------------
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### WHAT IS CHECKMYIP ###
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Everybody has used a service like [WhatIsMyIP.com](https://www.whatismyip.com/) before. If you are an IT engineer or even an amateur technology enthusiast, then you have probably had a reason to check to see your public IP address. This service works great when a browser is available, but at times it is not. We often find ourselves logged into a remote Linux machine or a network switch/router which has a command line and terminal clients (Telnet and SSH), but no browser. The CheckMyIP app and the **TelnetMyIP.com** and **SSHMyIP.com** public services were created with this in mind.
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-----------------------------------------
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### HOW TO USE ###
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Using the public **TelnetMyIP.com** and **SSHMyIP.com** services is pretty easy: simply connect to them with a terminal client. You can use a telnet client with TCP port 23 (`telnet telnetmyip.com`), or a SSH client with TCP port 22 (`ssh sshmyip.com`). The SSH connection requires no authentication, but your SSH client may require you to enter a username, you can use anything you want as it gets ignored anyways(`ssh -limrootbitch telnetmyip.com`).
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You can also browse to the HTTP version of the service at [TelnetMyIP.com](http://telnetmyip.com/) which will return a JSON reply with your IP information.
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To enable the use of this service as a simple API, the response is formatted as a JSON document. See the [Using the API](#using-the-api) section for information on how to leverage the API.
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**Note:** _You can also connect to_ `ipv4.telnetmyip.com` _or_ `ipv6.telnetmyip.com` _if you want to check a specific IP stack._
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**Note:** _The DNS records for_ `telnetmyip.com` _and_ `sshmyip.com` _point to the same services._
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-----------------------------------------
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### USING THE API ###
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The CheckMyIP code contains the `CheckMyIP_Client` class which is an API client example which can be used to query a CheckMyIP server (like telnetmyip.com). Below is an example of how you can use it.
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```
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from checkmyip import CheckMyIP_Client
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client = CheckMyIP_Client()
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ipdict = client.get()
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print("\nMy IP is %s\n" % ipdict["ip"])
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print("\nI used port number %s\n" % ipdict["port"])
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```
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-----------------------------------------
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### INSTALL PROCESS ###
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If you would rather set up your own private instance of CheckMyIP, then you can follow the below instructions to set it up for yourself.
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Change Linux SSH Port to TCP 222 and reboot
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```
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sudo sed -i --follow-symlinks 's/#Port 22/Port 222/g' /etc/ssh/sshd_config
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shutdown -r now
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```
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Install Dependencies
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```
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yum install gcc -y
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yum install libffi-devel -y
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yum install openssl-devel -y
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pip install python-gssapi
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```
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Install Binary
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```
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cp checkmyip.py /bin/checkmyip
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chmod 777 /bin/checkmyip
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mkdir -p /etc/checkmyip/
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```
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Create Service (`vi /etc/init.d/checkmyip`)
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```
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#!/bin/bash
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# checkmyip daemon
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# chkconfig: 345 20 80
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# description: CheckMyIP Daemon
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# processname: checkmyip
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DAEMON_PATH="/bin/"
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DAEMON=checkmyip
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STDOUTFILE=/etc/checkmyip/stdout.log
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STDERR=/etc/checkmyip/stderr.log
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NAME=CheckMyIP
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DESC="CheckMyIP Daemon"
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PIDFILE=/var/run/$NAME.pid
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SCRIPTNAME=/etc/init.d/$NAME
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case "$1" in
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start)
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printf "%-50s" "Starting $NAME..."
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cd $DAEMON_PATH
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PID=`stdbuf -o0 $DAEMON >> $STDOUTFILE 2>>$STDERR & echo $!`
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#echo "Saving PID" $PID " to " $PIDFILE
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if [ -z $PID ]; then
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printf "%s
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" "Fail"
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else
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echo $PID > $PIDFILE
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printf "%s
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" "Ok"
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fi
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;;
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status)
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if [ -f $PIDFILE ]; then
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PID=`cat $PIDFILE`
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if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
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printf "%s
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" "Process dead but pidfile exists"
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else
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echo "$DAEMON (pid $PID) is running..."
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fi
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else
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printf "%s
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" "$DAEMON is stopped"
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fi
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;;
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stop)
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printf "%-50s" "Stopping $NAME"
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PID=`cat $PIDFILE`
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cd $DAEMON_PATH
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if [ -f $PIDFILE ]; then
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kill -HUP $PID
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printf "%s
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" "Ok"
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rm -f $PIDFILE
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else
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printf "%s
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" "pidfile not found"
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fi
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;;
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restart)
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$0 stop
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$0 start
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;;
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*)
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echo "Usage: $0 {status|start|stop|restart}"
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exit 1
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esac
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```
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Finish and Start Up Service
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```
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chmod 777 /etc/init.d/checkmyip
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chkconfig checkmyip on
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service checkmyip start
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service checkmyip status
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```
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-----------------------------------------
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### CONTRIBUTING ###
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If you would like to help out by contributing code or reporting issues, please do!
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Visit the GitHub page (https://github.com/packetsar/checkmyip) and either report an issue or fork the project, commit some changes, and submit a pull request.
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[twitter-logo]: http://www.packetsar.com/wp-content/uploads/twitter-logo-35.png
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[twitter]: https://twitter.com/TelnetMyIP
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[logo]: http://www.packetsar.com/wp-content/uploads/checkmyip_icon-100.gif
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[whatismyip]: https://www.whatismyip.com/
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