PortKnock 4.18

Danny Sung ❘ Commercial ❘
iOS
out of 7 votes

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Overview
<ul>
 <li>This application is a simple port knocker for the iPhone, primarily useful for network administrators. It requires a port knock daemon to be running on the server for functionality.</li>
</ul>
Features in this version of Port Knock:
<ul>
 <li>Password Protection</li>
 <li>Knock Validation</li>
 <li>Import/Export Hosts</li>
 <li>Auto App Launcher(+)</li>
 <li>Knock Progress Screen</li>
 <li>Shows your External IP Address</li>
 <li>Arbitrary number of ports per host</li>
 <li>An unlimited number of host definitions</li>
 <li>TCP/UDP configuration per port</li>
 <li>Selectively sending knocks through WiFi or Carrier/3G networks</li>
 <li>Configurable interpacket delay</li>
 <li>No advertising</li>
</ul>
Use Cases
<ul>
 <li>This app is convenient when on a WiFi network without access to a port knocker on available computers. It can also be effectively used with TouchTerm or any other ssh or telnet software by providing the hostname and a list of ports with the choice of sending TCP or UDP packets.</li>
</ul>
Brief Description of Port Knocking for the Layman:
<ul>
 <li>Port Knocking is a security technique to protect services behind a firewall until a specific knock sequence is given, distinct from port scanning which is used for discovering open services on a system.</li>
 Imagine leaving your kids at home alone. You teach them to listen for a certain knock that only your family knows, similar to how servers can be instructed to respond to specific knocks sent via this application.
</ul>

Additional Info
<ul>
 <li>If you require a knock server, Judd Vinet's knock daemon for Linux is recommended due to its ease of use: http://www.zeroflux.org/projects/knock</li>
 For more information and resources on port knocking, visit http://www.portknocking.org/
</ul>

Notes

<ul>+ Some limitations apply to the Auto App Launcher feature; for SSH, only temporary connections can be created, and Mail operations may initiate a new compose mail window first due to iOS integration constraints.</ul>

Support

<ul>To report bugs and suggest features, contact danny@sungheroes.com for prompt assistance rather than posting in reviews.</ul>

History

<ul>2022-02-28 PortKnock 4.18 released with restored functionality of Auto App Launcher and resolved import bugs. </ul>

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